SEC Info  
    Home      Search      My Interests      Help      Sign In      Please Sign In

Clarivate Plc – ‘10-Q’ for 6/30/22 – ‘EX-101.DEF’

On:  Tuesday, 8/9/22, at 6:12am ET   ·   For:  6/30/22   ·   Accession #:  1764046-22-142   ·   File #:  1-38911

Previous ‘10-Q’:  ‘10-Q’ on 5/9/22 for 3/31/22   ·   Next:  ‘10-Q’ on 11/8/22 for 9/30/22   ·   Latest:  ‘10-Q’ on 5/8/24 for 3/31/24   ·   4 References:   

Find Words in Filings emoji
 
  in    Show  and   Hints

  As Of               Filer                 Filing    For·On·As Docs:Size

 8/09/22  Clarivate Plc                     10-Q        6/30/22  110:14M

Quarterly Report   —   Form 10-Q

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-Q        Quarterly Report                                    HTML   2.77M 
 2: EX-10.1     Material Contract                                   HTML    196K 
 3: EX-10.2     Material Contract                                   HTML     63K 
 4: EX-31       Certification -- §302 - SOA'02                      HTML     40K 
 5: EX-32       Certification -- §906 - SOA'02                      HTML     33K 
11: R1          Cover                                               HTML     93K 
12: R2          Consolidated Balance Sheets                         HTML    177K 
13: R3          Consolidated Balance Sheets (Parenthetical)         HTML     51K 
14: R4          Consolidated Statements of Operations               HTML    140K 
15: R5          Consolidated Statements of Comprehensive Income     HTML     66K 
                (Loss)                                                           
16: R6          Consolidated Statements of Changes in Equity        HTML    193K 
17: R7          Consolidated Statements of Cash Flows               HTML    193K 
18: R8          Background and Nature of Operations                 HTML     35K 
19: R9          Basis of Presentation                               HTML     35K 
20: R10         Summary of Significant Accounting Policies          HTML     53K 
21: R11         Business Combinations                               HTML     94K 
22: R12         Leases                                              HTML     37K 
23: R13         Property and Equipment, Net                         HTML     44K 
24: R14         Other Intangible Assets, net and Goodwill           HTML     76K 
25: R15         Derivative Instruments                              HTML     44K 
26: R16         Fair Value Measurements                             HTML     90K 
27: R17         Accrued Expenses and Other Current Liabilities      HTML     48K 
28: R18         Debt                                                HTML     76K 
29: R19         Revenue                                             HTML     81K 
30: R20         Shareholders' Equity                                HTML     53K 
31: R21         Share-based Compensation                            HTML    110K 
32: R22         Income Taxes                                        HTML     36K 
33: R23         Earnings per Share                                  HTML     76K 
34: R24         Other Operating Income, Net                         HTML     43K 
35: R25         Product and Geographic Sales Information            HTML     93K 
36: R26         Commitments and Contingencies                       HTML     41K 
37: R27         Related Party and Former Parent Transactions        HTML     42K 
38: R28         Restructuring                                       HTML    111K 
39: R29         Subsequent Events                                   HTML     34K 
40: R30         Summary of Significant Accounting Policies          HTML     36K 
                (Policies)                                                       
41: R31         Summary of Significant Accounting Policies          HTML     42K 
                (Tables)                                                         
42: R32         Business Combinations (Tables)                      HTML     97K 
43: R33         Accounts Receivable (Tables)                        HTML     33K 
44: R34         Property and Equipment, Net (Tables)                HTML     42K 
45: R35         Other Intangible Assets, net and Goodwill (Tables)  HTML     81K 
46: R36         Fair Value Measurements (Tables)                    HTML     87K 
47: R37         Accrued Expenses and Other Current Liabilities      HTML     48K 
                (Tables)                                                         
48: R38         Debt (Tables)                                       HTML     59K 
49: R39         Revenue (Tables)                                    HTML     83K 
50: R40         Equity (Tables)                                     HTML     39K 
51: R41         Share-based Compensation (Tables)                   HTML    113K 
52: R42         Earnings per Share (Tables)                         HTML     73K 
53: R43         Other Operating Income, Net (Tables)                HTML     43K 
54: R44         Product and Geographic Sales Information (Tables)   HTML    112K 
55: R45         Restructuring (Tables)                              HTML    100K 
56: R46         Background and Nature of Operations - Sale of       HTML     46K 
                Stock (Details)                                                  
57: R47         Basis of Presentation (Details)                     HTML     31K 
58: R48         Summary of Significant Accounting Policies -        HTML     32K 
                Restricted Cash and Concentration of credit risk                 
                (Details)                                                        
59: R49         Summary of Significant Accounting Policies - Other  HTML     45K 
                Information (Details)                                            
60: R50         Business Combinations - Narrative (Details)         HTML     68K 
61: R51         Business Combinations - Purchase Price Composition  HTML     63K 
                (Details)                                                        
62: R52         Business Combinations - Purchase Price Allocation   HTML    124K 
                (Details)                                                        
63: R53         Business Combinations - Intangible Assets Acquired  HTML     49K 
                (Details)                                                        
64: R54         Business Combinations - Pro Forma Information       HTML     36K 
                (Details)                                                        
65: R55         Assets Held for Sale and Divested Operations -      HTML     40K 
                Summary of Assets and Liabilities Held for Sale                  
                Related to Divestment (Details)                                  
66: R56         Leases - Narrative (Details)                        HTML     32K 
67: R57         Property and Equipment, Net (Details)               HTML     61K 
68: R58         Other Intangible Assets, net and Goodwill -         HTML     60K 
                Intangible Assets by Major Class (Details)                       
69: R59         Other Intangible Assets, net and Goodwill - Other   HTML     33K 
                Intangibles Narrative (Details)                                  
70: R60         Other Intangible Assets, net and Goodwill - Change  HTML     47K 
                in the Carrying Amount of Goodwill (Details)                     
71: R61         Derivative Instruments (Details)                    HTML     57K 
72: R62         Fair Value Measurements - Assets and liabilities    HTML     72K 
                that were recognized at fair value on a recurring                
                basis (Details)                                                  
73: R63         Fair Value Measurements - Changes in Private        HTML     47K 
                Placement Warrants Liabilities (Details)                         
74: R64         Fair Value Measurements - Narrative (Details)       HTML     33K 
75: R65         Accrued Expenses and Other Current Liabilities      HTML     60K 
                (Details)                                                        
76: R66         Debt - Summary of Debt (Details)                    HTML     72K 
77: R67         Debt - Senior Secured Notes due 2026 (Details)      HTML     47K 
78: R68         Debt - The Credit Facilities (Details)              HTML     74K 
79: R69         Debt - Senior Unsecured Notes (2029) and Senior     HTML     45K 
                Secured Notes (2028) (Details)                                   
80: R70         Debt - Fair Value (Details)                         HTML     34K 
81: R71         Debt - Summary of Outstanding Borrowings (Details)  HTML     30K 
82: R72         Revenue - Disaggregated Revenues and Cost to        HTML     51K 
                Obtain a Contract (Details)                                      
83: R73         Revenue - Contract Balances and Transaction Price   HTML     52K 
                Allocated to the Remaining Performance Obligation                
                (Details)                                                        
84: R74         Revenue - Transaction Price Allocated to the        HTML     48K 
                Remaining Performance Obligation (Details)                       
85: R75         Shareholders' Equity (Details)                      HTML    148K 
86: R76         Share-based Compensation (Details)                  HTML    104K 
87: R77         Income Taxes - Income tax (Benefit)/Expense on      HTML     35K 
                Income/(Loss)By Jurisdiction (Details)                           
88: R78         Income Taxes - Components of pre-tax loss           HTML     36K 
                (Details)                                                        
89: R79         Income Taxes - Reconciliation of the statutory tax  HTML     45K 
                rate to effective tax rate (Details)                             
90: R80         Income taxes - Balance Sheet Presentation           HTML     34K 
                (Details)                                                        
91: R81         Income Taxes Narratives (Details)                   HTML     31K 
92: R82         Earnings per Share - Narrative (Details)            HTML     43K 
93: R83         Earnings per Share (Details)                        HTML     95K 
94: R84         Other Operating Income, Net (Details)               HTML     37K 
95: R85         Product and Geographic Sales Information -          HTML     37K 
                Narrative (Details)                                              
96: R86         Product and Geographic Sales Information - Revenue  HTML     41K 
                by Segment (Details)                                             
97: R87         Product and Geographic Sales Information -          HTML     92K 
                Adjusted EBITDA by Segment (Details)                             
98: R88         Product and Geographic Sales Information - Revenue  HTML     38K 
                by Geography (Details)                                           
99: R89         Product and Geographic Sales Information - Revenue  HTML     38K 
                by Product Group (Details)                                       
100: R90         Commitments and Contingencies - Contingencies       HTML     61K  
                (Details)                                                        
101: R91         Related Party and Former Parent Transactions        HTML    102K  
                (Details)                                                        
102: R92         Restructuring (Details)                             HTML     99K  
103: R93         Quarterly Financial Data (Unaudited) (Details)      HTML    103K  
104: R94         Subsequent Events (Details)                         HTML     38K  
105: R9999       Uncategorized Items - clvt-20220630.htm             HTML     30K  
108: XML         IDEA XML File -- Filing Summary                      XML    202K  
106: XML         XBRL Instance -- clvt-20220630_htm                   XML   3.02M  
107: EXCEL       IDEA Workbook of Financial Reports                  XLSX    205K  
 7: EX-101.CAL  XBRL Calculations -- clvt-20220630_cal               XML    364K 
 8: EX-101.DEF  XBRL Definitions -- clvt-20220630_def                XML   1.69M 
 9: EX-101.LAB  XBRL Labels -- clvt-20220630_lab                     XML   3.62M 
10: EX-101.PRE  XBRL Presentations -- clvt-20220630_pre              XML   2.45M 
 6: EX-101.SCH  XBRL Schema -- clvt-20220630                         XSD    374K 
109: JSON        XBRL Instance as JSON Data -- MetaLinks              750±  1.18M  
110: ZIP         XBRL Zipped Folder -- 0001764046-22-000142-xbrl      Zip    803K  


‘EX-101.DEF’   —   XBRL Definitions — clvt-20220630_def


This Exhibit is an XBRL XML File.


                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<!-- XBRL Document Created with Wdesk from Workiva -->
<!-- Copyright 2022 Workiva -->
<!-- r:5609c869-2e8d-45ea-ab32-fa2bfb3702ba,g:a82cbc3f-5893-4005-9eb2-158d498b48f8 -->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
<link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
<link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
<link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
<link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
<link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
<link:roleRef roleURI="http://clarivate.com/role/Cover" xlink:type="simple" xlink:href="clvt-20220630.xsd#Cover"/>
<link:definitionLink xlink:role="http://clarivate.com/role/Cover" xlink:type="extended" id="ibb10d837d67643638f7ec170490401e9_Cover">
<link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationLineItems_e8a5fa54-431b-42be-802f-ae3e44f6d3c4" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentInformationLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_DocumentAnnualReport_0e244bdc-e03f-4631-932e-64bdef5bab7f" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentAnnualReport"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_e8a5fa54-431b-42be-802f-ae3e44f6d3c4" xlink:to="loc_dei_DocumentAnnualReport_0e244bdc-e03f-4631-932e-64bdef5bab7f" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_2dbeab7e-1cb7-4ff3-9f03-e29f14763e94" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentPeriodEndDate"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_e8a5fa54-431b-42be-802f-ae3e44f6d3c4" xlink:to="loc_dei_DocumentPeriodEndDate_2dbeab7e-1cb7-4ff3-9f03-e29f14763e94" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalYearFocus_a9a83eb1-5286-41bc-8ebc-de775afaa269" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentFiscalYearFocus"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_e8a5fa54-431b-42be-802f-ae3e44f6d3c4" xlink:to="loc_dei_DocumentFiscalYearFocus_a9a83eb1-5286-41bc-8ebc-de775afaa269" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalPeriodFocus_4cb334f5-40f4-4310-925f-439ed5567bed" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentFiscalPeriodFocus"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_e8a5fa54-431b-42be-802f-ae3e44f6d3c4" xlink:to="loc_dei_DocumentFiscalPeriodFocus_4cb334f5-40f4-4310-925f-439ed5567bed" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_94cf23f9-1131-4220-95b2-768db612344f" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityTaxIdentificationNumber"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_e8a5fa54-431b-42be-802f-ae3e44f6d3c4" xlink:to="loc_dei_EntityTaxIdentificationNumber_94cf23f9-1131-4220-95b2-768db612344f" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_f33f7e2d-71cb-4e65-9ec7-91ce75718f26" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_TradingSymbol"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_e8a5fa54-431b-42be-802f-ae3e44f6d3c4" xlink:to="loc_dei_TradingSymbol_f33f7e2d-71cb-4e65-9ec7-91ce75718f26" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_e0031eba-3e9b-400c-a7d2-68ef547b5cfe" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_Security12bTitle"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_e8a5fa54-431b-42be-802f-ae3e44f6d3c4" xlink:to="loc_dei_Security12bTitle_e0031eba-3e9b-400c-a7d2-68ef547b5cfe" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_8a962ccf-9eca-45a0-ac2d-fa0795d0fd88" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_SecurityExchangeName"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_e8a5fa54-431b-42be-802f-ae3e44f6d3c4" xlink:to="loc_dei_SecurityExchangeName_8a962ccf-9eca-45a0-ac2d-fa0795d0fd88" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityWellKnownSeasonedIssuer_8674acc7-4083-4ec6-ae59-3a40d9fe8051" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityWellKnownSeasonedIssuer"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_e8a5fa54-431b-42be-802f-ae3e44f6d3c4" xlink:to="loc_dei_EntityWellKnownSeasonedIssuer_8674acc7-4083-4ec6-ae59-3a40d9fe8051" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityVoluntaryFilers_a435edfc-f99a-47a8-be2f-0d075f7c51e7" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityVoluntaryFilers"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_e8a5fa54-431b-42be-802f-ae3e44f6d3c4" xlink:to="loc_dei_EntityVoluntaryFilers_a435edfc-f99a-47a8-be2f-0d075f7c51e7" xlink:type="arc" order="9"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_IcfrAuditorAttestationFlag_ee7e5f1a-9469-4a2d-ac0a-fc174046d0fa" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_IcfrAuditorAttestationFlag"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_e8a5fa54-431b-42be-802f-ae3e44f6d3c4" xlink:to="loc_dei_IcfrAuditorAttestationFlag_ee7e5f1a-9469-4a2d-ac0a-fc174046d0fa" xlink:type="arc" order="10"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityPublicFloat_76dbfb87-5061-4db9-a9df-6787a77a14fc" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityPublicFloat"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_e8a5fa54-431b-42be-802f-ae3e44f6d3c4" xlink:to="loc_dei_EntityPublicFloat_76dbfb87-5061-4db9-a9df-6787a77a14fc" xlink:type="arc" order="11"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_159d0b10-511a-451f-b480-b3053559d1d2" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityCentralIndexKey"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_e8a5fa54-431b-42be-802f-ae3e44f6d3c4" xlink:to="loc_dei_EntityCentralIndexKey_159d0b10-511a-451f-b480-b3053559d1d2" xlink:type="arc" order="12"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_38daaf66-1e71-4de5-a8ab-0d040b7457dc" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_AmendmentFlag"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_e8a5fa54-431b-42be-802f-ae3e44f6d3c4" xlink:to="loc_dei_AmendmentFlag_38daaf66-1e71-4de5-a8ab-0d040b7457dc" xlink:type="arc" order="13"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate_e223b743-cd61-4bd0-8742-3bc9576fe9c8" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_CurrentFiscalYearEndDate"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_e8a5fa54-431b-42be-802f-ae3e44f6d3c4" xlink:to="loc_dei_CurrentFiscalYearEndDate_e223b743-cd61-4bd0-8742-3bc9576fe9c8" xlink:type="arc" order="14"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationTable_c25f8efd-e34a-4120-9ca8-206ee969121e" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentInformationTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_DocumentInformationLineItems_e8a5fa54-431b-42be-802f-ae3e44f6d3c4" xlink:to="loc_dei_DocumentInformationTable_c25f8efd-e34a-4120-9ca8-206ee969121e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_29413776-bc01-4441-949f-e542ab7afbfd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementClassOfStockAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_DocumentInformationTable_c25f8efd-e34a-4120-9ca8-206ee969121e" xlink:to="loc_us-gaap_StatementClassOfStockAxis_29413776-bc01-4441-949f-e542ab7afbfd" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_29413776-bc01-4441-949f-e542ab7afbfd_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_29413776-bc01-4441-949f-e542ab7afbfd" xlink:to="loc_us-gaap_ClassOfStockDomain_29413776-bc01-4441-949f-e542ab7afbfd_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_8a30f31e-567e-4376-b68a-2da5d2171038" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_29413776-bc01-4441-949f-e542ab7afbfd" xlink:to="loc_us-gaap_ClassOfStockDomain_8a30f31e-567e-4376-b68a-2da5d2171038" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_ac8f4b66-fc40-4d64-9a68-e4d5d0810a30" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_8a30f31e-567e-4376-b68a-2da5d2171038" xlink:to="loc_us-gaap_CommonStockMember_ac8f4b66-fc40-4d64-9a68-e4d5d0810a30" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesAPreferredStockMember_aab76708-881f-4021-b27e-2f440f840a2a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SeriesAPreferredStockMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_8a30f31e-567e-4376-b68a-2da5d2171038" xlink:to="loc_us-gaap_SeriesAPreferredStockMember_aab76708-881f-4021-b27e-2f440f840a2a" xlink:type="arc" order="1"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/CONSOLIDATEDBALANCESHEETSParenthetical" xlink:type="simple" xlink:href="clvt-20220630.xsd#CONSOLIDATEDBALANCESHEETSParenthetical"/>
<link:definitionLink xlink:role="http://clarivate.com/role/CONSOLIDATEDBALANCESHEETSParenthetical" xlink:type="extended" id="if0adefe8714b468d977e821b963e1c7c_CONSOLIDATEDBALANCESHEETSParenthetical">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_6884ed9f-5810-4445-897e-01089e991406" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockDividendRatePercentage_52d60e97-8f96-4172-a830-a0af9ed9cc0f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockDividendRatePercentage"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_6884ed9f-5810-4445-897e-01089e991406" xlink:to="loc_us-gaap_PreferredStockDividendRatePercentage_52d60e97-8f96-4172-a830-a0af9ed9cc0f" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_1cbadd53-53b1-485a-9dfd-46e244fc7d36" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_6884ed9f-5810-4445-897e-01089e991406" xlink:to="loc_us-gaap_StatementTable_1cbadd53-53b1-485a-9dfd-46e244fc7d36" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_8bb34242-5aa1-4bbb-af6f-c277fe235180" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementClassOfStockAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_1cbadd53-53b1-485a-9dfd-46e244fc7d36" xlink:to="loc_us-gaap_StatementClassOfStockAxis_8bb34242-5aa1-4bbb-af6f-c277fe235180" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_8bb34242-5aa1-4bbb-af6f-c277fe235180_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_8bb34242-5aa1-4bbb-af6f-c277fe235180" xlink:to="loc_us-gaap_ClassOfStockDomain_8bb34242-5aa1-4bbb-af6f-c277fe235180_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_f519a157-1521-4b2a-beae-fb1d2fc952cd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_8bb34242-5aa1-4bbb-af6f-c277fe235180" xlink:to="loc_us-gaap_ClassOfStockDomain_f519a157-1521-4b2a-beae-fb1d2fc952cd" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesAPreferredStockMember_1fb294d7-c3fd-45e5-b73a-77ef0c00b967" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SeriesAPreferredStockMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_f519a157-1521-4b2a-beae-fb1d2fc952cd" xlink:to="loc_us-gaap_SeriesAPreferredStockMember_1fb294d7-c3fd-45e5-b73a-77ef0c00b967" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITY" xlink:type="simple" xlink:href="clvt-20220630.xsd#CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITY"/>
<link:definitionLink xlink:role="http://clarivate.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITY" xlink:type="extended" id="ice7a1efbc5e542678fd6427dce7b2b82_CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITY">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_75fce717-a375-455b-a952-a921c807298f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_75fce717-a375-455b-a952-a921c807298f" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesOutstanding_3942dc3e-87e9-4bf6-985c-55bbe988c7ec" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharesOutstanding"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:to="loc_us-gaap_SharesOutstanding_3942dc3e-87e9-4bf6-985c-55bbe988c7ec" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_66359041-7c66-4a11-8740-5d910536d04b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquity"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:to="loc_us-gaap_StockholdersEquity_66359041-7c66-4a11-8740-5d910536d04b" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding_cdc33845-9080-419b-9dd5-31af96b41a49" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockSharesOutstanding"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:to="loc_us-gaap_PreferredStockSharesOutstanding_cdc33845-9080-419b-9dd5-31af96b41a49" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockShares_7c536296-0adf-437c-a1ce-fabbbb6c90e3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TreasuryStockShares"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:to="loc_us-gaap_TreasuryStockShares_7c536296-0adf-437c-a1ce-fabbbb6c90e3" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValue_82863fcf-9cb9-4069-b251-207c9aee49d1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TreasuryStockValue"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:to="loc_us-gaap_TreasuryStockValue_82863fcf-9cb9-4069-b251-207c9aee49d1" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityOtherShares_b4464942-733e-4b42-9ea4-3ba76b906257" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquityOtherShares"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:to="loc_us-gaap_StockholdersEquityOtherShares_b4464942-733e-4b42-9ea4-3ba76b906257" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_StockIssuedDuringPeriodSharesPrivateWarrantsExercised_ced1cb32-66cb-4392-9bd1-b1f080c999d7" xlink:href="clvt-20220630.xsd#clvt_StockIssuedDuringPeriodSharesPrivateWarrantsExercised"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:to="loc_clvt_StockIssuedDuringPeriodSharesPrivateWarrantsExercised_ced1cb32-66cb-4392-9bd1-b1f080c999d7" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_StockIssuedDuringPeriodValuePrivateWarrantsExercised_a455cf9a-612b-4f9c-9e29-cd2ea3f645e3" xlink:href="clvt-20220630.xsd#clvt_StockIssuedDuringPeriodValuePrivateWarrantsExercised"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:to="loc_clvt_StockIssuedDuringPeriodValuePrivateWarrantsExercised_a455cf9a-612b-4f9c-9e29-cd2ea3f645e3" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_504bdd62-e939-40f4-81ac-ff19aa1183d3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_504bdd62-e939-40f4-81ac-ff19aa1183d3" xlink:type="arc" order="9"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_b95fac30-5c98-476f-98a4-123f9022f129" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_b95fac30-5c98-476f-98a4-123f9022f129" xlink:type="arc" order="10"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_VestingOfRestrictedStockUnits_b94009ee-3f0b-4cbd-a6df-623850ee1cbe" xlink:href="clvt-20220630.xsd#clvt_VestingOfRestrictedStockUnits"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:to="loc_clvt_VestingOfRestrictedStockUnits_b94009ee-3f0b-4cbd-a6df-623850ee1cbe" xlink:type="arc" order="11"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_2f670727-aa36-4d4a-a561-7cd42186092a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_2f670727-aa36-4d4a-a561-7cd42186092a" xlink:type="arc" order="12"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited_e491e733-4e9a-436e-8bbf-525dbcb18850" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited_e491e733-4e9a-436e-8bbf-525dbcb18850" xlink:type="arc" order="13"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationForfeited_c83ec5f6-f42f-4296-8818-362bf7024256" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationForfeited"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationForfeited_c83ec5f6-f42f-4296-8818-362bf7024256" xlink:type="arc" order="14"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_6461d43e-1337-4840-aa58-51e60d7267bb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_6461d43e-1337-4840-aa58-51e60d7267bb" xlink:type="arc" order="15"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_446f72b8-2bd4-4c22-8270-e4e01d54dc15" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_446f72b8-2bd4-4c22-8270-e4e01d54dc15" xlink:type="arc" order="16"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_3a1f39bf-0971-47ff-a41e-28897ab3d779" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_3a1f39bf-0971-47ff-a41e-28897ab3d779" xlink:type="arc" order="17"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockSharesAcquired_e728ca85-f93b-45f7-b131-e454c24ad292" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TreasuryStockSharesAcquired"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:to="loc_us-gaap_TreasuryStockSharesAcquired_e728ca85-f93b-45f7-b131-e454c24ad292" xlink:type="arc" order="18"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_6149980b-1b6f-448e-b63b-6f130c936bb5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_6149980b-1b6f-448e-b63b-6f130c936bb5" xlink:type="arc" order="19"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_64388332-3966-4220-baff-c137d3006d2a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodShares"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:to="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_64388332-3966-4220-baff-c137d3006d2a" xlink:type="arc" order="20"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_dfae416c-a8f8-479f-bcbb-9e690136a6e2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodValue"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:to="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_dfae416c-a8f8-479f-bcbb-9e690136a6e2" xlink:type="arc" order="21"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockSharesRetired_7b80c66b-a869-4a54-aaaf-d38d53cba62e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TreasuryStockSharesRetired"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:to="loc_us-gaap_TreasuryStockSharesRetired_7b80c66b-a869-4a54-aaaf-d38d53cba62e" xlink:type="arc" order="22"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockRetiredCostMethodAmount_f8351275-481c-4460-89b3-57620cf04924" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TreasuryStockRetiredCostMethodAmount"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:to="loc_us-gaap_TreasuryStockRetiredCostMethodAmount_f8351275-481c-4460-89b3-57620cf04924" xlink:type="arc" order="23"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesTreasuryStockReissued_c100ff7f-c9db-441f-8ed6-f05e1b0ac565" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesTreasuryStockReissued"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesTreasuryStockReissued_c100ff7f-c9db-441f-8ed6-f05e1b0ac565" xlink:type="arc" order="24"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockReissuedAtLowerThanRepurchasePrice_c815d16b-c1e9-4301-8773-a199d8ed6e7d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TreasuryStockReissuedAtLowerThanRepurchasePrice"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:to="loc_us-gaap_TreasuryStockReissuedAtLowerThanRepurchasePrice_c815d16b-c1e9-4301-8773-a199d8ed6e7d" xlink:type="arc" order="25"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockDividendsShares_969c8b51-f508-4730-9946-8ab93e627ae7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockDividendsShares"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:to="loc_us-gaap_CommonStockDividendsShares_969c8b51-f508-4730-9946-8ab93e627ae7" xlink:type="arc" order="26"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsPreferredStock_8c48973b-137b-44dd-af48-ce2a3d335d88" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DividendsPreferredStock"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:to="loc_us-gaap_DividendsPreferredStock_8c48973b-137b-44dd-af48-ce2a3d335d88" xlink:type="arc" order="27"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_5c9dc69b-01a7-4582-a059-74f22947bab5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetIncomeLoss"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:to="loc_us-gaap_NetIncomeLoss_5c9dc69b-01a7-4582-a059-74f22947bab5" xlink:type="arc" order="28"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_10cb5297-dabc-4cde-8c05-d1e360f5dd7c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_10cb5297-dabc-4cde-8c05-d1e360f5dd7c" xlink:type="arc" order="29"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_StockIssuedDuringPeriodSharesPublicWarrantsExercised_3bd5b9c0-794d-4450-aab6-d4689fde014a" xlink:href="clvt-20220630.xsd#clvt_StockIssuedDuringPeriodSharesPublicWarrantsExercised"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:to="loc_clvt_StockIssuedDuringPeriodSharesPublicWarrantsExercised_3bd5b9c0-794d-4450-aab6-d4689fde014a" xlink:type="arc" order="30"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_StockIssuedDuringPeriodValuePublicWarrantsExercised_3798ab2b-11f2-4442-9157-fd415de493f1" xlink:href="clvt-20220630.xsd#clvt_StockIssuedDuringPeriodValuePublicWarrantsExercised"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:to="loc_clvt_StockIssuedDuringPeriodValuePublicWarrantsExercised_3798ab2b-11f2-4442-9157-fd415de493f1" xlink:type="arc" order="31"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_TreasuryStockSharesSold_be0b6cfb-c34b-4c9c-b0ce-09c623f5908a" xlink:href="clvt-20220630.xsd#clvt_TreasuryStockSharesSold"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:to="loc_clvt_TreasuryStockSharesSold_be0b6cfb-c34b-4c9c-b0ce-09c623f5908a" xlink:type="arc" order="32"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_TreasuryStockSoldAtLowerThanRepurchasePrice_83187944-f403-4bef-9b45-5a6d402ac7f2" xlink:href="clvt-20220630.xsd#clvt_TreasuryStockSoldAtLowerThanRepurchasePrice"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:to="loc_clvt_TreasuryStockSoldAtLowerThanRepurchasePrice_83187944-f403-4bef-9b45-5a6d402ac7f2" xlink:type="arc" order="33"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_SharesIssuedDuringPeriodValueSettlementOfTaxReceivableAgreement_89da77de-a41a-4e75-a769-7d97c4e1a318" xlink:href="clvt-20220630.xsd#clvt_SharesIssuedDuringPeriodValueSettlementOfTaxReceivableAgreement"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:to="loc_clvt_SharesIssuedDuringPeriodValueSettlementOfTaxReceivableAgreement_89da77de-a41a-4e75-a769-7d97c4e1a318" xlink:type="arc" order="34"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_7fb805da-ae6c-4258-b821-c2fea0192da7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockSharesOutstanding"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_c50b4149-97fa-477a-930e-f9f210e3aa1b" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_7fb805da-ae6c-4258-b821-c2fea0192da7" xlink:type="arc" order="35"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesOutstanding_62556fb0-6fcc-4308-b754-092739dd599f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharesOutstanding"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_65622f28-35d4-46f6-910a-a9517759b179" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquity"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding_0c6e972b-b29b-4850-9f4f-6e3748bd872f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockSharesOutstanding"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockShares_e64ba331-132d-4fb6-8273-af6921534e9d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TreasuryStockShares"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValue_fb9efe36-a88c-462d-bca9-b1be32eb1dd8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TreasuryStockValue"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_63aae85a-5375-4403-ae9f-92a11f683bd9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_75fce717-a375-455b-a952-a921c807298f" xlink:to="loc_us-gaap_StatementTable_63aae85a-5375-4403-ae9f-92a11f683bd9" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RestatementAxis_b2f75130-2393-4b4c-8b47-820c40ef3270" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RestatementAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_63aae85a-5375-4403-ae9f-92a11f683bd9" xlink:to="loc_srt_RestatementAxis_b2f75130-2393-4b4c-8b47-820c40ef3270" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RestatementDomain_b2f75130-2393-4b4c-8b47-820c40ef3270_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RestatementDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RestatementAxis_b2f75130-2393-4b4c-8b47-820c40ef3270" xlink:to="loc_srt_RestatementDomain_b2f75130-2393-4b4c-8b47-820c40ef3270_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RestatementDomain_bcba7bde-d781-4ee6-8b31-9e6abe4b92e0" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RestatementDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RestatementAxis_b2f75130-2393-4b4c-8b47-820c40ef3270" xlink:to="loc_srt_RestatementDomain_bcba7bde-d781-4ee6-8b31-9e6abe4b92e0" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioPreviouslyReportedMember_72f1d54c-2cc0-495b-b0f2-3e328ec866d9" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ScenarioPreviouslyReportedMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RestatementDomain_bcba7bde-d781-4ee6-8b31-9e6abe4b92e0" xlink:to="loc_srt_ScenarioPreviouslyReportedMember_72f1d54c-2cc0-495b-b0f2-3e328ec866d9" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RevisionOfPriorPeriodAccountingStandardsUpdateAdjustmentMember_c183eb72-5a65-431c-a112-d28bd1586acc" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RevisionOfPriorPeriodAccountingStandardsUpdateAdjustmentMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RestatementDomain_bcba7bde-d781-4ee6-8b31-9e6abe4b92e0" xlink:to="loc_srt_RevisionOfPriorPeriodAccountingStandardsUpdateAdjustmentMember_c183eb72-5a65-431c-a112-d28bd1586acc" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_7070b123-ccbf-44aa-a08b-f01da72399cf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementEquityComponentsAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_63aae85a-5375-4403-ae9f-92a11f683bd9" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_7070b123-ccbf-44aa-a08b-f01da72399cf" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_7070b123-ccbf-44aa-a08b-f01da72399cf_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityComponentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_7070b123-ccbf-44aa-a08b-f01da72399cf" xlink:to="loc_us-gaap_EquityComponentDomain_7070b123-ccbf-44aa-a08b-f01da72399cf_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_27240e65-1af9-43e9-a7ec-1996aa953979" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityComponentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_7070b123-ccbf-44aa-a08b-f01da72399cf" xlink:to="loc_us-gaap_EquityComponentDomain_27240e65-1af9-43e9-a7ec-1996aa953979" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_53d81338-da14-478d-90c0-e2b3b2a45937" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_27240e65-1af9-43e9-a7ec-1996aa953979" xlink:to="loc_us-gaap_CommonStockMember_53d81338-da14-478d-90c0-e2b3b2a45937" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_c37823f5-b9bb-45c4-99f0-780fea37cead" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_27240e65-1af9-43e9-a7ec-1996aa953979" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_c37823f5-b9bb-45c4-99f0-780fea37cead" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_31c46808-5ea7-4104-b08d-40884f0ace5e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RetainedEarningsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_27240e65-1af9-43e9-a7ec-1996aa953979" xlink:to="loc_us-gaap_RetainedEarningsMember_31c46808-5ea7-4104-b08d-40884f0ace5e" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockMember_c7124c8d-a45a-4454-981e-7f1110f8ea88" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_27240e65-1af9-43e9-a7ec-1996aa953979" xlink:to="loc_us-gaap_PreferredStockMember_c7124c8d-a45a-4454-981e-7f1110f8ea88" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockMember_e886eb59-182b-4a05-a134-15b93dea73ae" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TreasuryStockMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_27240e65-1af9-43e9-a7ec-1996aa953979" xlink:to="loc_us-gaap_TreasuryStockMember_e886eb59-182b-4a05-a134-15b93dea73ae" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_49975180-4524-4c54-bbd3-d823d46e259b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_63aae85a-5375-4403-ae9f-92a11f683bd9" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_49975180-4524-4c54-bbd3-d823d46e259b" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_49975180-4524-4c54-bbd3-d823d46e259b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_49975180-4524-4c54-bbd3-d823d46e259b" xlink:to="loc_us-gaap_RelatedPartyDomain_49975180-4524-4c54-bbd3-d823d46e259b_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_18ca7a27-a964-4fc4-9413-0df64d60bcbb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_49975180-4524-4c54-bbd3-d823d46e259b" xlink:to="loc_us-gaap_RelatedPartyDomain_18ca7a27-a964-4fc4-9413-0df64d60bcbb" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_AffiliatedEntityMember_758e3cc8-290a-4221-9a0e-1fbb88a8ba02" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_AffiliatedEntityMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_18ca7a27-a964-4fc4-9413-0df64d60bcbb" xlink:to="loc_srt_AffiliatedEntityMember_758e3cc8-290a-4221-9a0e-1fbb88a8ba02" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="simple" xlink:href="clvt-20220630.xsd#CONSOLIDATEDSTATEMENTSOFCASHFLOWS"/>
<link:definitionLink xlink:role="http://clarivate.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="extended" id="i9ef0341e76184db790b71a39062d4b4c_CONSOLIDATEDSTATEMENTSOFCASHFLOWS">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionLineItems_47cff2e2-13e3-45a7-91d4-e6b2635bb690" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_NoncashFinancingItemsAbstract_32569328-27c1-4281-be46-69d90bcc9f76" xlink:href="clvt-20220630.xsd#clvt_NoncashFinancingItemsAbstract"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionLineItems_47cff2e2-13e3-45a7-91d4-e6b2635bb690" xlink:to="loc_clvt_NoncashFinancingItemsAbstract_32569328-27c1-4281-be46-69d90bcc9f76" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_TreasuryStockAcquiredNoncash_873ca516-4265-4cae-a9f8-e1079cffa509" xlink:href="clvt-20220630.xsd#clvt_TreasuryStockAcquiredNoncash"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_NoncashFinancingItemsAbstract_32569328-27c1-4281-be46-69d90bcc9f76" xlink:to="loc_clvt_TreasuryStockAcquiredNoncash_873ca516-4265-4cae-a9f8-e1079cffa509" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_fbb15fa8-2153-4d1d-aa04-d58c540d31e9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_NoncashFinancingItemsAbstract_32569328-27c1-4281-be46-69d90bcc9f76" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_fbb15fa8-2153-4d1d-aa04-d58c540d31e9" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockRetiredCostMethodAmount_f25301e6-7513-416e-b77a-39484ac77fe6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TreasuryStockRetiredCostMethodAmount"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_NoncashFinancingItemsAbstract_32569328-27c1-4281-be46-69d90bcc9f76" xlink:to="loc_us-gaap_TreasuryStockRetiredCostMethodAmount_f25301e6-7513-416e-b77a-39484ac77fe6" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueAcquisitions_100e06cf-ccea-4d3f-afbe-4991f86d8b56" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueAcquisitions"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_NoncashFinancingItemsAbstract_32569328-27c1-4281-be46-69d90bcc9f76" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueAcquisitions_100e06cf-ccea-4d3f-afbe-4991f86d8b56" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsPayableCurrentAndNoncurrent_65764f62-6a27-4a32-9b54-4646dc7d99e8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DividendsPayableCurrentAndNoncurrent"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_NoncashFinancingItemsAbstract_32569328-27c1-4281-be46-69d90bcc9f76" xlink:to="loc_us-gaap_DividendsPayableCurrentAndNoncurrent_65764f62-6a27-4a32-9b54-4646dc7d99e8" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_TotalNonCashFinancingActivities_acef741b-8f76-4468-85a7-3ec9b83741c1" xlink:href="clvt-20220630.xsd#clvt_TotalNonCashFinancingActivities"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_NoncashFinancingItemsAbstract_32569328-27c1-4281-be46-69d90bcc9f76" xlink:to="loc_clvt_TotalNonCashFinancingActivities_acef741b-8f76-4468-85a7-3ec9b83741c1" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionTable_1912ee7e-059f-43a6-835e-5754c4709995" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionLineItems_47cff2e2-13e3-45a7-91d4-e6b2635bb690" xlink:to="loc_us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionTable_1912ee7e-059f-43a6-835e-5754c4709995" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_2000b749-336c-42ea-b527-da3b03c90163" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionTable_1912ee7e-059f-43a6-835e-5754c4709995" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_2000b749-336c-42ea-b527-da3b03c90163" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_2000b749-336c-42ea-b527-da3b03c90163_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_2000b749-336c-42ea-b527-da3b03c90163" xlink:to="loc_us-gaap_RelatedPartyDomain_2000b749-336c-42ea-b527-da3b03c90163_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_7c44c5be-3c7a-4fb6-87e3-4231093e7a3c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_2000b749-336c-42ea-b527-da3b03c90163" xlink:to="loc_us-gaap_RelatedPartyDomain_7c44c5be-3c7a-4fb6-87e3-4231093e7a3c" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_AffiliatedEntityMember_e5c75396-de3d-4d33-86e3-3db7ae6ed231" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_AffiliatedEntityMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_7c44c5be-3c7a-4fb6-87e3-4231093e7a3c" xlink:to="loc_srt_AffiliatedEntityMember_e5c75396-de3d-4d33-86e3-3db7ae6ed231" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_b51dff1f-ef0a-4c77-8d72-f1a596eac2f5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionTable_1912ee7e-059f-43a6-835e-5754c4709995" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_b51dff1f-ef0a-4c77-8d72-f1a596eac2f5" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_b51dff1f-ef0a-4c77-8d72-f1a596eac2f5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_b51dff1f-ef0a-4c77-8d72-f1a596eac2f5" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_b51dff1f-ef0a-4c77-8d72-f1a596eac2f5_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_459b77c1-b9dd-4601-be86-9b225448f3f5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_b51dff1f-ef0a-4c77-8d72-f1a596eac2f5" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_459b77c1-b9dd-4601-be86-9b225448f3f5" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DRGMember_86deebd9-42db-4bb3-b894-aeea140e1866" xlink:href="clvt-20220630.xsd#clvt_DRGMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_459b77c1-b9dd-4601-be86-9b225448f3f5" xlink:to="loc_clvt_DRGMember_86deebd9-42db-4bb3-b894-aeea140e1866" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_CPAGlobalMember_ed117fd8-3a2a-403e-828c-3f101f75349a" xlink:href="clvt-20220630.xsd#clvt_CPAGlobalMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_459b77c1-b9dd-4601-be86-9b225448f3f5" xlink:to="loc_clvt_CPAGlobalMember_ed117fd8-3a2a-403e-828c-3f101f75349a" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_8742745f-34c0-4ed3-80ff-890ed6e7667d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementClassOfStockAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionTable_1912ee7e-059f-43a6-835e-5754c4709995" xlink:to="loc_us-gaap_StatementClassOfStockAxis_8742745f-34c0-4ed3-80ff-890ed6e7667d" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_8742745f-34c0-4ed3-80ff-890ed6e7667d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_8742745f-34c0-4ed3-80ff-890ed6e7667d" xlink:to="loc_us-gaap_ClassOfStockDomain_8742745f-34c0-4ed3-80ff-890ed6e7667d_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_1327757e-f5ac-46d6-ac61-84de1d48acf1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_8742745f-34c0-4ed3-80ff-890ed6e7667d" xlink:to="loc_us-gaap_ClassOfStockDomain_1327757e-f5ac-46d6-ac61-84de1d48acf1" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesAPreferredStockMember_6ea702e3-bbcd-42a9-b355-2f9a64f6dec4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SeriesAPreferredStockMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_1327757e-f5ac-46d6-ac61-84de1d48acf1" xlink:to="loc_us-gaap_SeriesAPreferredStockMember_6ea702e3-bbcd-42a9-b355-2f9a64f6dec4" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/BackgroundandNatureofOperationsSaleofStockDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#BackgroundandNatureofOperationsSaleofStockDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/BackgroundandNatureofOperationsSaleofStockDetails" xlink:type="extended" id="i6b1be8ecc3c04c2dbeb51ca7a68b7194_BackgroundandNatureofOperationsSaleofStockDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsidiarySaleOfStockLineItems_f176d795-3be9-45d3-84a3-7ca1218b856f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsidiarySaleOfStockLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfReportableSegments_a7b087af-ae5f-419d-a29a-62e075399927" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NumberOfReportableSegments"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiarySaleOfStockLineItems_f176d795-3be9-45d3-84a3-7ca1218b856f" xlink:to="loc_us-gaap_NumberOfReportableSegments_a7b087af-ae5f-419d-a29a-62e075399927" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_4daf2790-4876-4788-8518-9d99a43b0420" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiarySaleOfStockLineItems_f176d795-3be9-45d3-84a3-7ca1218b856f" xlink:to="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_4daf2790-4876-4788-8518-9d99a43b0420" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_SaleOfStockNumberOfSharesAvailableToBeIssuedInTransactionMaximum_9760ed51-82a9-4938-be66-9680dad59e11" xlink:href="clvt-20220630.xsd#clvt_SaleOfStockNumberOfSharesAvailableToBeIssuedInTransactionMaximum"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiarySaleOfStockLineItems_f176d795-3be9-45d3-84a3-7ca1218b856f" xlink:to="loc_clvt_SaleOfStockNumberOfSharesAvailableToBeIssuedInTransactionMaximum_9760ed51-82a9-4938-be66-9680dad59e11" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockPricePerShare_46090df5-c37b-4a97-8ad0-3b73857e5909" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SaleOfStockPricePerShare"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiarySaleOfStockLineItems_f176d795-3be9-45d3-84a3-7ca1218b856f" xlink:to="loc_us-gaap_SaleOfStockPricePerShare_46090df5-c37b-4a97-8ad0-3b73857e5909" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_SaleOfStockNumberOfSharesExpired_ce079ab5-c0d7-41c3-b7c0-ee381a7f0e02" xlink:href="clvt-20220630.xsd#clvt_SaleOfStockNumberOfSharesExpired"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiarySaleOfStockLineItems_f176d795-3be9-45d3-84a3-7ca1218b856f" xlink:to="loc_clvt_SaleOfStockNumberOfSharesExpired_ce079ab5-c0d7-41c3-b7c0-ee381a7f0e02" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_SaleofStockPercentageofOwnershipafterTransactionByOtherParty_72ea4fb9-ac5e-4ee6-b31a-61bb32f8dd37" xlink:href="clvt-20220630.xsd#clvt_SaleofStockPercentageofOwnershipafterTransactionByOtherParty"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiarySaleOfStockLineItems_f176d795-3be9-45d3-84a3-7ca1218b856f" xlink:to="loc_clvt_SaleofStockPercentageofOwnershipafterTransactionByOtherParty_72ea4fb9-ac5e-4ee6-b31a-61bb32f8dd37" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockConsiderationReceivedOnTransaction_47d5ebd3-9fd2-4580-8f6f-34a15958c1f6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SaleOfStockConsiderationReceivedOnTransaction"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiarySaleOfStockLineItems_f176d795-3be9-45d3-84a3-7ca1218b856f" xlink:to="loc_us-gaap_SaleOfStockConsiderationReceivedOnTransaction_47d5ebd3-9fd2-4580-8f6f-34a15958c1f6" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_3a2b68cd-77db-462a-8e3f-4b8613142086" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentFaceAmount"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiarySaleOfStockLineItems_f176d795-3be9-45d3-84a3-7ca1218b856f" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_3a2b68cd-77db-462a-8e3f-4b8613142086" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesGross_9b2a0290-6e3f-413f-898d-6df514c04e31" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesGross"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiarySaleOfStockLineItems_f176d795-3be9-45d3-84a3-7ca1218b856f" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesGross_9b2a0290-6e3f-413f-898d-6df514c04e31" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_d8f64f6d-93b0-4866-bbab-76f9b8f1d743" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiarySaleOfStockLineItems_f176d795-3be9-45d3-84a3-7ca1218b856f" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_d8f64f6d-93b0-4866-bbab-76f9b8f1d743" xlink:type="arc" order="9"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_SharesIssuedPercentageOfOwnership_f64ad790-950a-4109-8866-d56411a01511" xlink:href="clvt-20220630.xsd#clvt_SharesIssuedPercentageOfOwnership"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiarySaleOfStockLineItems_f176d795-3be9-45d3-84a3-7ca1218b856f" xlink:to="loc_clvt_SharesIssuedPercentageOfOwnership_f64ad790-950a-4109-8866-d56411a01511" xlink:type="arc" order="10"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockDividendRatePercentage_9559b51c-bd86-4c04-98df-8bcb6cfe7d52" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockDividendRatePercentage"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiarySaleOfStockLineItems_f176d795-3be9-45d3-84a3-7ca1218b856f" xlink:to="loc_us-gaap_PreferredStockDividendRatePercentage_9559b51c-bd86-4c04-98df-8bcb6cfe7d52" xlink:type="arc" order="11"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction_29659271-763b-401c-9b72-ae0cc0832903" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiarySaleOfStockLineItems_f176d795-3be9-45d3-84a3-7ca1218b856f" xlink:to="loc_us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction_29659271-763b-401c-9b72-ae0cc0832903" xlink:type="arc" order="12"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeSaleOfStockBySubsidiaryOrEquityInvesteeTable_44881aa9-bc08-4d30-a4df-b05f794301f3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsidiaryOrEquityMethodInvesteeSaleOfStockBySubsidiaryOrEquityInvesteeTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SubsidiarySaleOfStockLineItems_f176d795-3be9-45d3-84a3-7ca1218b856f" xlink:to="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeSaleOfStockBySubsidiaryOrEquityInvesteeTable_44881aa9-bc08-4d30-a4df-b05f794301f3" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsidiarySaleOfStockAxis_709b2365-40fe-4a3f-a8e7-ce950e5dd9bf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsidiarySaleOfStockAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeSaleOfStockBySubsidiaryOrEquityInvesteeTable_44881aa9-bc08-4d30-a4df-b05f794301f3" xlink:to="loc_us-gaap_SubsidiarySaleOfStockAxis_709b2365-40fe-4a3f-a8e7-ce950e5dd9bf" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain_709b2365-40fe-4a3f-a8e7-ce950e5dd9bf_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SaleOfStockNameOfTransactionDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis_709b2365-40fe-4a3f-a8e7-ce950e5dd9bf" xlink:to="loc_us-gaap_SaleOfStockNameOfTransactionDomain_709b2365-40fe-4a3f-a8e7-ce950e5dd9bf_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain_95eaedff-1d81-49e1-ab8e-e986b0119067" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SaleOfStockNameOfTransactionDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis_709b2365-40fe-4a3f-a8e7-ce950e5dd9bf" xlink:to="loc_us-gaap_SaleOfStockNameOfTransactionDomain_95eaedff-1d81-49e1-ab8e-e986b0119067" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_SecondaryOfferingsMember_ddcdbabe-33dd-4b98-aa30-f290dff6e516" xlink:href="clvt-20220630.xsd#clvt_SecondaryOfferingsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SaleOfStockNameOfTransactionDomain_95eaedff-1d81-49e1-ab8e-e986b0119067" xlink:to="loc_clvt_SecondaryOfferingsMember_ddcdbabe-33dd-4b98-aa30-f290dff6e516" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesAPreferredStockMember_f25dd2ac-3637-42bf-adb6-9a8c46a56853" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SeriesAPreferredStockMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SaleOfStockNameOfTransactionDomain_95eaedff-1d81-49e1-ab8e-e986b0119067" xlink:to="loc_us-gaap_SeriesAPreferredStockMember_f25dd2ac-3637-42bf-adb6-9a8c46a56853" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OverAllotmentOptionMember_409745ba-c0c0-49df-a428-7996af94139b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OverAllotmentOptionMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SaleOfStockNameOfTransactionDomain_95eaedff-1d81-49e1-ab8e-e986b0119067" xlink:to="loc_us-gaap_OverAllotmentOptionMember_409745ba-c0c0-49df-a428-7996af94139b" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_b9903466-fb1a-41a3-8888-32e5f3220afc" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_CounterpartyNameAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeSaleOfStockBySubsidiaryOrEquityInvesteeTable_44881aa9-bc08-4d30-a4df-b05f794301f3" xlink:to="loc_srt_CounterpartyNameAxis_b9903466-fb1a-41a3-8888-32e5f3220afc" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_b9903466-fb1a-41a3-8888-32e5f3220afc_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_b9903466-fb1a-41a3-8888-32e5f3220afc" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_b9903466-fb1a-41a3-8888-32e5f3220afc_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_ae4b0494-a75a-4cf7-8648-e01d91f4cbea" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_b9903466-fb1a-41a3-8888-32e5f3220afc" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_ae4b0494-a75a-4cf7-8648-e01d91f4cbea" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_OnexandBaringMember_ec0b0bc6-9c29-4cfe-8ea0-6d89ec926117" xlink:href="clvt-20220630.xsd#clvt_OnexandBaringMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_ae4b0494-a75a-4cf7-8648-e01d91f4cbea" xlink:to="loc_clvt_OnexandBaringMember_ec0b0bc6-9c29-4cfe-8ea0-6d89ec926117" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_SellingShareholdersMember_fdac4dbf-2fe2-4b3e-a705-541fdc41dea4" xlink:href="clvt-20220630.xsd#clvt_SellingShareholdersMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_ae4b0494-a75a-4cf7-8648-e01d91f4cbea" xlink:to="loc_clvt_SellingShareholdersMember_fdac4dbf-2fe2-4b3e-a705-541fdc41dea4" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_OnexMember_0483de5f-481f-4dda-9ca7-537ab1b6068b" xlink:href="clvt-20220630.xsd#clvt_OnexMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_ae4b0494-a75a-4cf7-8648-e01d91f4cbea" xlink:to="loc_clvt_OnexMember_0483de5f-481f-4dda-9ca7-537ab1b6068b" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_BaringMember_43aa30b3-af3b-427e-9cec-ba6571fb4407" xlink:href="clvt-20220630.xsd#clvt_BaringMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_ae4b0494-a75a-4cf7-8648-e01d91f4cbea" xlink:to="loc_clvt_BaringMember_43aa30b3-af3b-427e-9cec-ba6571fb4407" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DirectorsDirectorNomineesExecutiveOfficersAndOtherShareholdersMember_e81b9502-be20-465c-86e3-7cb315754321" xlink:href="clvt-20220630.xsd#clvt_DirectorsDirectorNomineesExecutiveOfficersAndOtherShareholdersMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_ae4b0494-a75a-4cf7-8648-e01d91f4cbea" xlink:to="loc_clvt_DirectorsDirectorNomineesExecutiveOfficersAndOtherShareholdersMember_e81b9502-be20-465c-86e3-7cb315754321" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_64f40454-def8-49cc-b002-d8923e1225ce" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementEquityComponentsAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeSaleOfStockBySubsidiaryOrEquityInvesteeTable_44881aa9-bc08-4d30-a4df-b05f794301f3" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_64f40454-def8-49cc-b002-d8923e1225ce" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_64f40454-def8-49cc-b002-d8923e1225ce_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityComponentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_64f40454-def8-49cc-b002-d8923e1225ce" xlink:to="loc_us-gaap_EquityComponentDomain_64f40454-def8-49cc-b002-d8923e1225ce_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_78a32331-2fd3-46f1-93ce-bca424a211db" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityComponentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_64f40454-def8-49cc-b002-d8923e1225ce" xlink:to="loc_us-gaap_EquityComponentDomain_78a32331-2fd3-46f1-93ce-bca424a211db" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_8172790a-226f-4fba-b6dc-0d59cbcfc674" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_78a32331-2fd3-46f1-93ce-bca424a211db" xlink:to="loc_us-gaap_CommonStockMember_8172790a-226f-4fba-b6dc-0d59cbcfc674" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_dc43c117-b8f7-4f00-8d9b-09b0d4a5973c" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeSaleOfStockBySubsidiaryOrEquityInvesteeTable_44881aa9-bc08-4d30-a4df-b05f794301f3" xlink:to="loc_dei_LegalEntityAxis_dc43c117-b8f7-4f00-8d9b-09b0d4a5973c" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_dc43c117-b8f7-4f00-8d9b-09b0d4a5973c_default" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_dc43c117-b8f7-4f00-8d9b-09b0d4a5973c" xlink:to="loc_dei_EntityDomain_dc43c117-b8f7-4f00-8d9b-09b0d4a5973c_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_599837a7-132b-4812-92d0-a95c6e4137d3" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_dc43c117-b8f7-4f00-8d9b-09b0d4a5973c" xlink:to="loc_dei_EntityDomain_599837a7-132b-4812-92d0-a95c6e4137d3" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ClarivateMember_2a94f517-2117-406d-8bc3-317f1299d34b" xlink:href="clvt-20220630.xsd#clvt_ClarivateMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_599837a7-132b-4812-92d0-a95c6e4137d3" xlink:to="loc_clvt_ClarivateMember_2a94f517-2117-406d-8bc3-317f1299d34b" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_3751f743-17b7-4f17-aa50-3ec2daa81a3c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeSaleOfStockBySubsidiaryOrEquityInvesteeTable_44881aa9-bc08-4d30-a4df-b05f794301f3" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_3751f743-17b7-4f17-aa50-3ec2daa81a3c" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_3751f743-17b7-4f17-aa50-3ec2daa81a3c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_3751f743-17b7-4f17-aa50-3ec2daa81a3c" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_3751f743-17b7-4f17-aa50-3ec2daa81a3c_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_f32f6a74-c44d-41c8-ae87-0a0d05a0d13d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_3751f743-17b7-4f17-aa50-3ec2daa81a3c" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_f32f6a74-c44d-41c8-ae87-0a0d05a0d13d" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_b49cc00f-0af7-4028-8934-23839a8cb3bc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_f32f6a74-c44d-41c8-ae87-0a0d05a0d13d" xlink:to="loc_us-gaap_SubsequentEventMember_b49cc00f-0af7-4028-8934-23839a8cb3bc" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_d4907d53-f85b-4551-a37a-5345e9173fa3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeSaleOfStockBySubsidiaryOrEquityInvesteeTable_44881aa9-bc08-4d30-a4df-b05f794301f3" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_d4907d53-f85b-4551-a37a-5345e9173fa3" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_d4907d53-f85b-4551-a37a-5345e9173fa3_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_d4907d53-f85b-4551-a37a-5345e9173fa3" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_d4907d53-f85b-4551-a37a-5345e9173fa3_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_aefba9ba-8683-4a74-9878-32bf0bbad602" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_d4907d53-f85b-4551-a37a-5345e9173fa3" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_aefba9ba-8683-4a74-9878-32bf0bbad602" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_CPAGlobalMember_6db3e748-ded9-43a3-a1a6-fdb73729ab75" xlink:href="clvt-20220630.xsd#clvt_CPAGlobalMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_aefba9ba-8683-4a74-9878-32bf0bbad602" xlink:to="loc_clvt_CPAGlobalMember_6db3e748-ded9-43a3-a1a6-fdb73729ab75" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_3a5be20c-8d8e-4c25-8378-847983b9a87e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementClassOfStockAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeSaleOfStockBySubsidiaryOrEquityInvesteeTable_44881aa9-bc08-4d30-a4df-b05f794301f3" xlink:to="loc_us-gaap_StatementClassOfStockAxis_3a5be20c-8d8e-4c25-8378-847983b9a87e" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_3a5be20c-8d8e-4c25-8378-847983b9a87e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_3a5be20c-8d8e-4c25-8378-847983b9a87e" xlink:to="loc_us-gaap_ClassOfStockDomain_3a5be20c-8d8e-4c25-8378-847983b9a87e_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_e14fc956-4de2-4d50-971f-24de2189e596" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_3a5be20c-8d8e-4c25-8378-847983b9a87e" xlink:to="loc_us-gaap_ClassOfStockDomain_e14fc956-4de2-4d50-971f-24de2189e596" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesAPreferredStockMember_d3b9c1aa-a6fa-40b2-9833-2d75e19ad12f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SeriesAPreferredStockMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_e14fc956-4de2-4d50-971f-24de2189e596" xlink:to="loc_us-gaap_SeriesAPreferredStockMember_d3b9c1aa-a6fa-40b2-9833-2d75e19ad12f" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/BackgroundandNatureofOperations2016TransactionDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#BackgroundandNatureofOperations2016TransactionDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/BackgroundandNatureofOperations2016TransactionDetails" xlink:type="extended" id="i405db66af15848db9bd9f4fcbe8f24ea_BackgroundandNatureofOperations2016TransactionDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_662e6f7b-2bca-4491-8c17-e36637402a51" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferred1_91947b88-7d17-4a5a-9124-df5c49de9c02" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferred1"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_662e6f7b-2bca-4491-8c17-e36637402a51" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferred1_91947b88-7d17-4a5a-9124-df5c49de9c02" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_24b6a223-5e17-40c3-b8fb-10397b930129" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_662e6f7b-2bca-4491-8c17-e36637402a51" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_24b6a223-5e17-40c3-b8fb-10397b930129" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_5f62fbd3-2e8a-4cdd-a0a1-b3f809a6e20d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_24b6a223-5e17-40c3-b8fb-10397b930129" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_5f62fbd3-2e8a-4cdd-a0a1-b3f809a6e20d" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_5f62fbd3-2e8a-4cdd-a0a1-b3f809a6e20d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_5f62fbd3-2e8a-4cdd-a0a1-b3f809a6e20d" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_5f62fbd3-2e8a-4cdd-a0a1-b3f809a6e20d_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_502e5901-d637-4418-a597-e83c55a411d4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_5f62fbd3-2e8a-4cdd-a0a1-b3f809a6e20d" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_502e5901-d637-4418-a597-e83c55a411d4" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_Transaction2016Member_71be5496-8e82-421a-84c3-e380c5db9c40" xlink:href="clvt-20220630.xsd#clvt_Transaction2016Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_502e5901-d637-4418-a597-e83c55a411d4" xlink:to="loc_clvt_Transaction2016Member_71be5496-8e82-421a-84c3-e380c5db9c40" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/SummaryofSignificantAccountingPoliciesRestrictedCashandConcentrationofcreditriskDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#SummaryofSignificantAccountingPoliciesRestrictedCashandConcentrationofcreditriskDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/SummaryofSignificantAccountingPoliciesRestrictedCashandConcentrationofcreditriskDetails" xlink:type="extended" id="ic9db3ad1dfa24d8781857fcbd633bdb7_SummaryofSignificantAccountingPoliciesRestrictedCashandConcentrationofcreditriskDetails">
<link:loc xlink:type="locator" xlink:label="loc_clvt_ScheduleOfSignificantAccountingPoliciesLineItems_595e1014-0cb7-4047-a94a-09dfbc8a04f2" xlink:href="clvt-20220630.xsd#clvt_ScheduleOfSignificantAccountingPoliciesLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashCurrent_3bf023cd-17e0-4b88-a7d9-c256cabc7754" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestrictedCashCurrent"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesLineItems_595e1014-0cb7-4047-a94a-09dfbc8a04f2" xlink:to="loc_us-gaap_RestrictedCashCurrent_3bf023cd-17e0-4b88-a7d9-c256cabc7754" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_c8138cf8-c4b9-433b-bcd3-dc4363f23b61" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConcentrationRiskPercentage1"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesLineItems_595e1014-0cb7-4047-a94a-09dfbc8a04f2" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_c8138cf8-c4b9-433b-bcd3-dc4363f23b61" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ConcentrationRiskLargestCustomers_c52382e1-3d10-48d3-a8a5-928c4a559982" xlink:href="clvt-20220630.xsd#clvt_ConcentrationRiskLargestCustomers"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesLineItems_595e1014-0cb7-4047-a94a-09dfbc8a04f2" xlink:to="loc_clvt_ConcentrationRiskLargestCustomers_c52382e1-3d10-48d3-a8a5-928c4a559982" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ScheduleOfSignificantAccountingPoliciesTable_8619ef90-7797-4e91-99a8-3e9194ffc43c" xlink:href="clvt-20220630.xsd#clvt_ScheduleOfSignificantAccountingPoliciesTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesLineItems_595e1014-0cb7-4047-a94a-09dfbc8a04f2" xlink:to="loc_clvt_ScheduleOfSignificantAccountingPoliciesTable_8619ef90-7797-4e91-99a8-3e9194ffc43c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_a6955e66-5abd-448f-b149-8f03605ade83" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesTable_8619ef90-7797-4e91-99a8-3e9194ffc43c" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_a6955e66-5abd-448f-b149-8f03605ade83" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_a6955e66-5abd-448f-b149-8f03605ade83_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_a6955e66-5abd-448f-b149-8f03605ade83" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_a6955e66-5abd-448f-b149-8f03605ade83_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_c4a0d07a-0952-4a6f-87b2-5634a572cd7d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_a6955e66-5abd-448f-b149-8f03605ade83" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_c4a0d07a-0952-4a6f-87b2-5634a572cd7d" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerMember_9c2b8605-7cd5-48b0-bc52-45fafd214f14" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_c4a0d07a-0952-4a6f-87b2-5634a572cd7d" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerMember_9c2b8605-7cd5-48b0-bc52-45fafd214f14" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_787e6b00-d5ea-4854-bca6-3dde6887bd53" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesTable_8619ef90-7797-4e91-99a8-3e9194ffc43c" xlink:to="loc_srt_RangeAxis_787e6b00-d5ea-4854-bca6-3dde6887bd53" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_787e6b00-d5ea-4854-bca6-3dde6887bd53_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_787e6b00-d5ea-4854-bca6-3dde6887bd53" xlink:to="loc_srt_RangeMember_787e6b00-d5ea-4854-bca6-3dde6887bd53_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_38d40ed3-bc0c-4eff-812d-1409e1e30b86" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_787e6b00-d5ea-4854-bca6-3dde6887bd53" xlink:to="loc_srt_RangeMember_38d40ed3-bc0c-4eff-812d-1409e1e30b86" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_931015c1-06f6-4b95-8001-39e0c284ecee" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_38d40ed3-bc0c-4eff-812d-1409e1e30b86" xlink:to="loc_srt_MaximumMember_931015c1-06f6-4b95-8001-39e0c284ecee" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_de2c4e0c-f14b-4818-b49d-4a97fa3c856f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesTable_8619ef90-7797-4e91-99a8-3e9194ffc43c" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_de2c4e0c-f14b-4818-b49d-4a97fa3c856f" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_de2c4e0c-f14b-4818-b49d-4a97fa3c856f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_de2c4e0c-f14b-4818-b49d-4a97fa3c856f" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_de2c4e0c-f14b-4818-b49d-4a97fa3c856f_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_acc2f9b4-0194-4898-b615-4755c4481eb2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_de2c4e0c-f14b-4818-b49d-4a97fa3c856f" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_acc2f9b4-0194-4898-b615-4755c4481eb2" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_BeijingIncoPatTechnologyCoLtdMember_6ad11ed5-88be-4d48-9f6e-ae9540554421" xlink:href="clvt-20220630.xsd#clvt_BeijingIncoPatTechnologyCoLtdMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_acc2f9b4-0194-4898-b615-4755c4481eb2" xlink:to="loc_clvt_BeijingIncoPatTechnologyCoLtdMember_6ad11ed5-88be-4d48-9f6e-ae9540554421" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_PublonsLimitedMember_974dd1ae-8b49-4bd1-80fa-fc907735567a" xlink:href="clvt-20220630.xsd#clvt_PublonsLimitedMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_acc2f9b4-0194-4898-b615-4755c4481eb2" xlink:to="loc_clvt_PublonsLimitedMember_974dd1ae-8b49-4bd1-80fa-fc907735567a" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis_8e0cbf13-6214-48fd-bad8-802f2ea496ca" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesTable_8619ef90-7797-4e91-99a8-3e9194ffc43c" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis_8e0cbf13-6214-48fd-bad8-802f2ea496ca" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_8e0cbf13-6214-48fd-bad8-802f2ea496ca_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis_8e0cbf13-6214-48fd-bad8-802f2ea496ca" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_8e0cbf13-6214-48fd-bad8-802f2ea496ca_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_eb3433d1-cd66-43d5-bb22-5fe0a168a874" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis_8e0cbf13-6214-48fd-bad8-802f2ea496ca" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_eb3433d1-cd66-43d5-bb22-5fe0a168a874" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_HeldWithPatentOfficeOnBehalfOfCustomersMember_4d1adda3-caf3-4d2f-9919-d86dc3a3dcea" xlink:href="clvt-20220630.xsd#clvt_HeldWithPatentOfficeOnBehalfOfCustomersMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_eb3433d1-cd66-43d5-bb22-5fe0a168a874" xlink:to="loc_clvt_HeldWithPatentOfficeOnBehalfOfCustomersMember_4d1adda3-caf3-4d2f-9919-d86dc3a3dcea" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_81e8c845-7902-4ba2-b72e-6b5f28171eb7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConcentrationRiskByTypeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesTable_8619ef90-7797-4e91-99a8-3e9194ffc43c" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_81e8c845-7902-4ba2-b72e-6b5f28171eb7" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_81e8c845-7902-4ba2-b72e-6b5f28171eb7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_81e8c845-7902-4ba2-b72e-6b5f28171eb7" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_81e8c845-7902-4ba2-b72e-6b5f28171eb7_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_0b097dde-bcd8-44fc-8267-1fba2c7732b5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_81e8c845-7902-4ba2-b72e-6b5f28171eb7" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_0b097dde-bcd8-44fc-8267-1fba2c7732b5" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerConcentrationRiskMember_13fe8306-8b23-4884-a571-c91a57ac620a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CustomerConcentrationRiskMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_0b097dde-bcd8-44fc-8267-1fba2c7732b5" xlink:to="loc_us-gaap_CustomerConcentrationRiskMember_13fe8306-8b23-4884-a571-c91a57ac620a" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MajorCustomersAxis_18467c4d-0893-4d06-80b2-91aa68f14f26" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MajorCustomersAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesTable_8619ef90-7797-4e91-99a8-3e9194ffc43c" xlink:to="loc_srt_MajorCustomersAxis_18467c4d-0893-4d06-80b2-91aa68f14f26" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_18467c4d-0893-4d06-80b2-91aa68f14f26_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_NameOfMajorCustomerDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_MajorCustomersAxis_18467c4d-0893-4d06-80b2-91aa68f14f26" xlink:to="loc_srt_NameOfMajorCustomerDomain_18467c4d-0893-4d06-80b2-91aa68f14f26_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_a293d6fa-8475-47d9-9322-0879ea4e72b5" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_NameOfMajorCustomerDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_MajorCustomersAxis_18467c4d-0893-4d06-80b2-91aa68f14f26" xlink:to="loc_srt_NameOfMajorCustomerDomain_a293d6fa-8475-47d9-9322-0879ea4e72b5" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_TenLargestCustomersMember_88e22699-5377-4ffe-b1dd-ad0c6f394523" xlink:href="clvt-20220630.xsd#clvt_TenLargestCustomersMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_a293d6fa-8475-47d9-9322-0879ea4e72b5" xlink:to="loc_clvt_TenLargestCustomersMember_88e22699-5377-4ffe-b1dd-ad0c6f394523" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/SummaryofSignificantAccountingPoliciesOtherInformationDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#SummaryofSignificantAccountingPoliciesOtherInformationDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/SummaryofSignificantAccountingPoliciesOtherInformationDetails" xlink:type="extended" id="ia0e0c5f6be4d4f05b60e913f08119a79_SummaryofSignificantAccountingPoliciesOtherInformationDetails">
<link:loc xlink:type="locator" xlink:label="loc_clvt_ScheduleOfSignificantAccountingPoliciesLineItems_fcd9313a-5046-4a92-84c1-af3d9e53a666" xlink:href="clvt-20220630.xsd#clvt_ScheduleOfSignificantAccountingPoliciesLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_b1bea473-69c8-4f27-adc8-50dfe2886fbd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesLineItems_fcd9313a-5046-4a92-84c1-af3d9e53a666" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_b1bea473-69c8-4f27-adc8-50dfe2886fbd" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_fcb988e6-5580-4e07-937b-1a06245bd86c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesLineItems_fcd9313a-5046-4a92-84c1-af3d9e53a666" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_fcb988e6-5580-4e07-937b-1a06245bd86c" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfReportingUnits_1518cf49-0223-4ef1-9884-43b2f24b79dd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NumberOfReportingUnits"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesLineItems_fcd9313a-5046-4a92-84c1-af3d9e53a666" xlink:to="loc_us-gaap_NumberOfReportingUnits_1518cf49-0223-4ef1-9884-43b2f24b79dd" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillImpairmentLoss_c028fa10-e172-4520-a116-5aaae327354d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillImpairmentLoss"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesLineItems_fcd9313a-5046-4a92-84c1-af3d9e53a666" xlink:to="loc_us-gaap_GoodwillImpairmentLoss_c028fa10-e172-4520-a116-5aaae327354d" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_PercentagePaymentOfCalculatedTaxSavingsToPreBusinessCombinationEquityHolders_7688793f-742b-4b76-aac8-d183c08a8815" xlink:href="clvt-20220630.xsd#clvt_PercentagePaymentOfCalculatedTaxSavingsToPreBusinessCombinationEquityHolders"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesLineItems_fcd9313a-5046-4a92-84c1-af3d9e53a666" xlink:to="loc_clvt_PercentagePaymentOfCalculatedTaxSavingsToPreBusinessCombinationEquityHolders_7688793f-742b-4b76-aac8-d183c08a8815" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeTermOfContract_9d88fcc1-7725-4dea-a61a-90d9718a35ce" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeTermOfContract"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesLineItems_fcd9313a-5046-4a92-84c1-af3d9e53a666" xlink:to="loc_us-gaap_DerivativeTermOfContract_9d88fcc1-7725-4dea-a61a-90d9718a35ce" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_c727c131-565f-4055-995a-4285913256b6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesLineItems_fcd9313a-5046-4a92-84c1-af3d9e53a666" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_c727c131-565f-4055-995a-4285913256b6" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_RevenuePeriodOfRecognition_baac4024-1168-4dcc-853b-f15291e1b60e" xlink:href="clvt-20220630.xsd#clvt_RevenuePeriodOfRecognition"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesLineItems_fcd9313a-5046-4a92-84c1-af3d9e53a666" xlink:to="loc_clvt_RevenuePeriodOfRecognition_baac4024-1168-4dcc-853b-f15291e1b60e" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DomainRegistrationPeriod_e115b94a-738f-4f30-9b74-223ff8e10e6d" xlink:href="clvt-20220630.xsd#clvt_DomainRegistrationPeriod"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesLineItems_fcd9313a-5046-4a92-84c1-af3d9e53a666" xlink:to="loc_clvt_DomainRegistrationPeriod_e115b94a-738f-4f30-9b74-223ff8e10e6d" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_AmortizationPeriodofSalesCommissions_1ec3d25c-7b38-41c5-ad5c-ad900fe00875" xlink:href="clvt-20220630.xsd#clvt_AmortizationPeriodofSalesCommissions"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesLineItems_fcd9313a-5046-4a92-84c1-af3d9e53a666" xlink:to="loc_clvt_AmortizationPeriodofSalesCommissions_1ec3d25c-7b38-41c5-ad5c-ad900fe00875" xlink:type="arc" order="9"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_29594454-4f58-480a-9f06-66b28ff20048" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesLineItems_fcd9313a-5046-4a92-84c1-af3d9e53a666" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_29594454-4f58-480a-9f06-66b28ff20048" xlink:type="arc" order="10"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1_9e803945-e99c-4e09-b3a5-dc12088fadab" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesLineItems_fcd9313a-5046-4a92-84c1-af3d9e53a666" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1_9e803945-e99c-4e09-b3a5-dc12088fadab" xlink:type="arc" order="11"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdvertisingExpense_5c25593e-c1ec-4b72-b1bc-c3820ed96cab" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AdvertisingExpense"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesLineItems_fcd9313a-5046-4a92-84c1-af3d9e53a666" xlink:to="loc_us-gaap_AdvertisingExpense_5c25593e-c1ec-4b72-b1bc-c3820ed96cab" xlink:type="arc" order="12"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_9092ec0a-29ef-4b77-bcd0-223b2d634dea" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesLineItems_fcd9313a-5046-4a92-84c1-af3d9e53a666" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_9092ec0a-29ef-4b77-bcd0-223b2d634dea" xlink:type="arc" order="13"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_251e83b0-f18b-4140-923d-1b8be35f15cb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquity"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesLineItems_fcd9313a-5046-4a92-84c1-af3d9e53a666" xlink:to="loc_us-gaap_StockholdersEquity_251e83b0-f18b-4140-923d-1b8be35f15cb" xlink:type="arc" order="14"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillAcquiredDuringPeriod_d2c535bc-3b09-4337-bdf7-a7c125362803" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillAcquiredDuringPeriod"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesLineItems_fcd9313a-5046-4a92-84c1-af3d9e53a666" xlink:to="loc_us-gaap_GoodwillAcquiredDuringPeriod_d2c535bc-3b09-4337-bdf7-a7c125362803" xlink:type="arc" order="15"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit_d8cb20cc-4fdc-4d36-aa2c-79bbdfcad3fd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesLineItems_fcd9313a-5046-4a92-84c1-af3d9e53a666" xlink:to="loc_us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit_d8cb20cc-4fdc-4d36-aa2c-79bbdfcad3fd" xlink:type="arc" order="16"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ScheduleOfSignificantAccountingPoliciesTable_ff0cd506-4fd1-4a9c-b157-f1b401b59393" xlink:href="clvt-20220630.xsd#clvt_ScheduleOfSignificantAccountingPoliciesTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesLineItems_fcd9313a-5046-4a92-84c1-af3d9e53a666" xlink:to="loc_clvt_ScheduleOfSignificantAccountingPoliciesTable_ff0cd506-4fd1-4a9c-b157-f1b401b59393" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_0593d012-4ff6-4a7a-b767-954cd2305429" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesTable_ff0cd506-4fd1-4a9c-b157-f1b401b59393" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_0593d012-4ff6-4a7a-b767-954cd2305429" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_0593d012-4ff6-4a7a-b767-954cd2305429_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_0593d012-4ff6-4a7a-b767-954cd2305429" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_0593d012-4ff6-4a7a-b767-954cd2305429_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_bd186037-659b-45fb-ba67-2b8db7fceeb6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_0593d012-4ff6-4a7a-b767-954cd2305429" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_bd186037-659b-45fb-ba67-2b8db7fceeb6" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComputerEquipmentMember_354a1888-344e-4ea4-9206-fd549a6b2c24" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ComputerEquipmentMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_bd186037-659b-45fb-ba67-2b8db7fceeb6" xlink:to="loc_us-gaap_ComputerEquipmentMember_354a1888-344e-4ea4-9206-fd549a6b2c24" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FurnitureAndFixturesMember_10b84cdb-005a-4434-a2c4-e802352c17b9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FurnitureAndFixturesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_bd186037-659b-45fb-ba67-2b8db7fceeb6" xlink:to="loc_us-gaap_FurnitureAndFixturesMember_10b84cdb-005a-4434-a2c4-e802352c17b9" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_72fbdf6b-8058-4f85-a27d-27e2481a19c8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesTable_ff0cd506-4fd1-4a9c-b157-f1b401b59393" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_72fbdf6b-8058-4f85-a27d-27e2481a19c8" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_72fbdf6b-8058-4f85-a27d-27e2481a19c8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_72fbdf6b-8058-4f85-a27d-27e2481a19c8" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_72fbdf6b-8058-4f85-a27d-27e2481a19c8_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_e9e8506c-c3ec-4fc6-b51d-b4612c9921df" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_72fbdf6b-8058-4f85-a27d-27e2481a19c8" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_e9e8506c-c3ec-4fc6-b51d-b4612c9921df" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SoftwareDevelopmentMember_fb5b6a90-0644-46e2-ba52-ebe2d4512b11" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SoftwareDevelopmentMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_e9e8506c-c3ec-4fc6-b51d-b4612c9921df" xlink:to="loc_us-gaap_SoftwareDevelopmentMember_fb5b6a90-0644-46e2-ba52-ebe2d4512b11" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_PurchasedComputerSoftwareMember_21880d6a-88ae-4302-a7f6-ee172515f806" xlink:href="clvt-20220630.xsd#clvt_PurchasedComputerSoftwareMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_e9e8506c-c3ec-4fc6-b51d-b4612c9921df" xlink:to="loc_clvt_PurchasedComputerSoftwareMember_21880d6a-88ae-4302-a7f6-ee172515f806" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_7ebd72df-4acf-431b-8810-4ba269ef69c9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CustomerRelationshipsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_e9e8506c-c3ec-4fc6-b51d-b4612c9921df" xlink:to="loc_us-gaap_CustomerRelationshipsMember_7ebd72df-4acf-431b-8810-4ba269ef69c9" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DatabasesAndContentMember_09385928-1007-4f93-a2d4-51a6e323ff3f" xlink:href="clvt-20220630.xsd#clvt_DatabasesAndContentMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_e9e8506c-c3ec-4fc6-b51d-b4612c9921df" xlink:to="loc_clvt_DatabasesAndContentMember_09385928-1007-4f93-a2d4-51a6e323ff3f" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncompeteAgreementsMember_c1f886b3-15c3-4f56-a481-c933a0e647b0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NoncompeteAgreementsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_e9e8506c-c3ec-4fc6-b51d-b4612c9921df" xlink:to="loc_us-gaap_NoncompeteAgreementsMember_c1f886b3-15c3-4f56-a481-c933a0e647b0" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OrderOrProductionBacklogMember_d49d174f-1dcd-4adb-8b8f-6db07ea445c7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OrderOrProductionBacklogMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_e9e8506c-c3ec-4fc6-b51d-b4612c9921df" xlink:to="loc_us-gaap_OrderOrProductionBacklogMember_d49d174f-1dcd-4adb-8b8f-6db07ea445c7" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_c9030127-d799-4390-bf15-8cfef97bf0fd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DevelopedTechnologyRightsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_e9e8506c-c3ec-4fc6-b51d-b4612c9921df" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_c9030127-d799-4390-bf15-8cfef97bf0fd" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TradeNamesMember_6909fa72-d990-4db6-9ba1-392474da80fb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TradeNamesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_e9e8506c-c3ec-4fc6-b51d-b4612c9921df" xlink:to="loc_us-gaap_TradeNamesMember_6909fa72-d990-4db6-9ba1-392474da80fb" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncompeteAgreementsMember_670b84fa-91cc-48fe-b9cb-a3ef9d3cffb9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NoncompeteAgreementsMember"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ContentMember_d46ce65a-7bdc-4987-9b19-8271a098561a" xlink:href="clvt-20220630.xsd#clvt_ContentMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_e9e8506c-c3ec-4fc6-b51d-b4612c9921df" xlink:to="loc_clvt_ContentMember_d46ce65a-7bdc-4987-9b19-8271a098561a" xlink:type="arc" order="9"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_b67b5e4d-3617-4e72-8970-75f0dac53f93" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesTable_ff0cd506-4fd1-4a9c-b157-f1b401b59393" xlink:to="loc_srt_RangeAxis_b67b5e4d-3617-4e72-8970-75f0dac53f93" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_b67b5e4d-3617-4e72-8970-75f0dac53f93_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_b67b5e4d-3617-4e72-8970-75f0dac53f93" xlink:to="loc_srt_RangeMember_b67b5e4d-3617-4e72-8970-75f0dac53f93_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_7e112988-69a0-49cd-ac5a-51fa1573161d" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_b67b5e4d-3617-4e72-8970-75f0dac53f93" xlink:to="loc_srt_RangeMember_7e112988-69a0-49cd-ac5a-51fa1573161d" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_e865a434-5a01-4914-a86e-ace3e2873365" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MinimumMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_7e112988-69a0-49cd-ac5a-51fa1573161d" xlink:to="loc_srt_MinimumMember_e865a434-5a01-4914-a86e-ace3e2873365" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_21ee6fd3-829b-430c-8c22-f4410155ee6b" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_7e112988-69a0-49cd-ac5a-51fa1573161d" xlink:to="loc_srt_MaximumMember_21ee6fd3-829b-430c-8c22-f4410155ee6b" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_5cb36f4d-f7c0-4c0a-823a-ba79c83b7dbb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesTable_ff0cd506-4fd1-4a9c-b157-f1b401b59393" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_5cb36f4d-f7c0-4c0a-823a-ba79c83b7dbb" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_5cb36f4d-f7c0-4c0a-823a-ba79c83b7dbb_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeContractTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_5cb36f4d-f7c0-4c0a-823a-ba79c83b7dbb" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_5cb36f4d-f7c0-4c0a-823a-ba79c83b7dbb_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_fb9bc2a7-297a-4ac5-a5cd-a4a7239f995f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeContractTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_5cb36f4d-f7c0-4c0a-823a-ba79c83b7dbb" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_fb9bc2a7-297a-4ac5-a5cd-a4a7239f995f" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeForwardMember_30a7d7d6-5232-459b-8bec-48431af95149" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ForeignExchangeForwardMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_fb9bc2a7-297a-4ac5-a5cd-a4a7239f995f" xlink:to="loc_us-gaap_ForeignExchangeForwardMember_30a7d7d6-5232-459b-8bec-48431af95149" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_47801719-c1aa-47e0-b556-1c06f28e837b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesTable_ff0cd506-4fd1-4a9c-b157-f1b401b59393" xlink:to="loc_us-gaap_DebtInstrumentAxis_47801719-c1aa-47e0-b556-1c06f28e837b" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_47801719-c1aa-47e0-b556-1c06f28e837b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_47801719-c1aa-47e0-b556-1c06f28e837b" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_47801719-c1aa-47e0-b556-1c06f28e837b_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_c5bb55c2-2aeb-4df0-8b0c-94a7fb14a15b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_47801719-c1aa-47e0-b556-1c06f28e837b" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_c5bb55c2-2aeb-4df0-8b0c-94a7fb14a15b" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_TermLoanFacilityMember_1f2e95e4-7402-48c0-9c33-32f783dcfc47" xlink:href="clvt-20220630.xsd#clvt_TermLoanFacilityMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_c5bb55c2-2aeb-4df0-8b0c-94a7fb14a15b" xlink:to="loc_clvt_TermLoanFacilityMember_1f2e95e4-7402-48c0-9c33-32f783dcfc47" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_1452c00e-4996-4fb6-82a7-927393f2e02b" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductOrServiceAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesTable_ff0cd506-4fd1-4a9c-b157-f1b401b59393" xlink:to="loc_srt_ProductOrServiceAxis_1452c00e-4996-4fb6-82a7-927393f2e02b" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_1452c00e-4996-4fb6-82a7-927393f2e02b_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductsAndServicesDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_1452c00e-4996-4fb6-82a7-927393f2e02b" xlink:to="loc_srt_ProductsAndServicesDomain_1452c00e-4996-4fb6-82a7-927393f2e02b_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_9a471b16-018f-4f6e-a075-944ded06dd2a" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductsAndServicesDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_1452c00e-4996-4fb6-82a7-927393f2e02b" xlink:to="loc_srt_ProductsAndServicesDomain_9a471b16-018f-4f6e-a075-944ded06dd2a" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_SubscriptionRevenuesMember_27598d40-3ba8-40b8-b07a-877e9c56172e" xlink:href="clvt-20220630.xsd#clvt_SubscriptionRevenuesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_9a471b16-018f-4f6e-a075-944ded06dd2a" xlink:to="loc_clvt_SubscriptionRevenuesMember_27598d40-3ba8-40b8-b07a-877e9c56172e" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_CumulativeEffectPeriodOfAdoptionAxis_95a241ed-b97a-4d2f-ad4d-20e8a3b744f6" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_CumulativeEffectPeriodOfAdoptionAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesTable_ff0cd506-4fd1-4a9c-b157-f1b401b59393" xlink:to="loc_srt_CumulativeEffectPeriodOfAdoptionAxis_95a241ed-b97a-4d2f-ad4d-20e8a3b744f6" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_CumulativeEffectPeriodOfAdoptionDomain_95a241ed-b97a-4d2f-ad4d-20e8a3b744f6_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_CumulativeEffectPeriodOfAdoptionDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CumulativeEffectPeriodOfAdoptionAxis_95a241ed-b97a-4d2f-ad4d-20e8a3b744f6" xlink:to="loc_srt_CumulativeEffectPeriodOfAdoptionDomain_95a241ed-b97a-4d2f-ad4d-20e8a3b744f6_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_CumulativeEffectPeriodOfAdoptionDomain_8fc15c14-62a1-4ce1-8558-051bc45ea607" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_CumulativeEffectPeriodOfAdoptionDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CumulativeEffectPeriodOfAdoptionAxis_95a241ed-b97a-4d2f-ad4d-20e8a3b744f6" xlink:to="loc_srt_CumulativeEffectPeriodOfAdoptionDomain_8fc15c14-62a1-4ce1-8558-051bc45ea607" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember_c5ed809a-9ec9-49db-bc7f-c72ce4e11f11" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CumulativeEffectPeriodOfAdoptionDomain_8fc15c14-62a1-4ce1-8558-051bc45ea607" xlink:to="loc_srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember_c5ed809a-9ec9-49db-bc7f-c72ce4e11f11" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_c081ea06-afac-46e6-85c4-305ca6e73c45" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementEquityComponentsAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesTable_ff0cd506-4fd1-4a9c-b157-f1b401b59393" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_c081ea06-afac-46e6-85c4-305ca6e73c45" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_c081ea06-afac-46e6-85c4-305ca6e73c45_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityComponentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_c081ea06-afac-46e6-85c4-305ca6e73c45" xlink:to="loc_us-gaap_EquityComponentDomain_c081ea06-afac-46e6-85c4-305ca6e73c45_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_7ef63cab-dafb-47d5-95d4-731f08d497dd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityComponentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_c081ea06-afac-46e6-85c4-305ca6e73c45" xlink:to="loc_us-gaap_EquityComponentDomain_7ef63cab-dafb-47d5-95d4-731f08d497dd" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_232ce003-801e-4899-b787-b3d34cdaf05a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RetainedEarningsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_7ef63cab-dafb-47d5-95d4-731f08d497dd" xlink:to="loc_us-gaap_RetainedEarningsMember_232ce003-801e-4899-b787-b3d34cdaf05a" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_38da3efc-cc36-4406-80f4-b69ac24ae327" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_clvt_ScheduleOfSignificantAccountingPoliciesTable_ff0cd506-4fd1-4a9c-b157-f1b401b59393" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_38da3efc-cc36-4406-80f4-b69ac24ae327" xlink:type="arc" order="9"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_38da3efc-cc36-4406-80f4-b69ac24ae327_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_38da3efc-cc36-4406-80f4-b69ac24ae327" xlink:to="loc_us-gaap_SegmentDomain_38da3efc-cc36-4406-80f4-b69ac24ae327_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_747a0473-4c76-459e-84cd-c1d9ae8dee53" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_38da3efc-cc36-4406-80f4-b69ac24ae327" xlink:to="loc_us-gaap_SegmentDomain_747a0473-4c76-459e-84cd-c1d9ae8dee53" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ScienceGroupMember_498ca9b5-d3cc-4700-b7a5-b490999e50f8" xlink:href="clvt-20220630.xsd#clvt_ScienceGroupMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_747a0473-4c76-459e-84cd-c1d9ae8dee53" xlink:to="loc_clvt_ScienceGroupMember_498ca9b5-d3cc-4700-b7a5-b490999e50f8" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/BusinessCombinationsNarrativeDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#BusinessCombinationsNarrativeDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/BusinessCombinationsNarrativeDetails" xlink:type="extended" id="ibc916b27297042729c4bfdc69c579ffc_BusinessCombinationsNarrativeDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_984eba15-6f44-4645-baad-52b350203061" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_9c1bb627-afe5-4155-a4f2-14e72979a65b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_984eba15-6f44-4645-baad-52b350203061" xlink:to="loc_us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_9c1bb627-afe5-4155-a4f2-14e72979a65b" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_BusinessCombinationConsiderationTransferredNetOfCashAcquired_8a83133c-3e8d-4b3f-aab2-f3a9b362c4da" xlink:href="clvt-20220630.xsd#clvt_BusinessCombinationConsiderationTransferredNetOfCashAcquired"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_984eba15-6f44-4645-baad-52b350203061" xlink:to="loc_clvt_BusinessCombinationConsiderationTransferredNetOfCashAcquired_8a83133c-3e8d-4b3f-aab2-f3a9b362c4da" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAcquiredFromAcquisition_e67b7cff-abb4-4d19-9713-2ce20cf3f286" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashAcquiredFromAcquisition"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_984eba15-6f44-4645-baad-52b350203061" xlink:to="loc_us-gaap_CashAcquiredFromAcquisition_e67b7cff-abb4-4d19-9713-2ce20cf3f286" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_2d97e180-9740-45aa-af95-bb74beb179ac" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_984eba15-6f44-4645-baad-52b350203061" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_2d97e180-9740-45aa-af95-bb74beb179ac" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_2203449a-ba59-4e46-a88d-167356da88d7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_984eba15-6f44-4645-baad-52b350203061" xlink:to="loc_us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_2203449a-ba59-4e46-a88d-167356da88d7" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesGross_f42d7684-a8fe-4ef7-8354-f2340850b571" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesGross"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_984eba15-6f44-4645-baad-52b350203061" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesGross_f42d7684-a8fe-4ef7-8354-f2340850b571" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred_9e863e38-fbad-4a6d-8af0-a68a0d4ec18e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_984eba15-6f44-4645-baad-52b350203061" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred_9e863e38-fbad-4a6d-8af0-a68a0d4ec18e" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationSeparatelyRecognizedTransactionsAdditionalDisclosuresAcquisitionCostExpensed_ffc5beaa-491b-4991-bf51-f3a7bf0790c8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationSeparatelyRecognizedTransactionsAdditionalDisclosuresAcquisitionCostExpensed"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_984eba15-6f44-4645-baad-52b350203061" xlink:to="loc_us-gaap_BusinessCombinationSeparatelyRecognizedTransactionsAdditionalDisclosuresAcquisitionCostExpensed_ffc5beaa-491b-4991-bf51-f3a7bf0790c8" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_BusinessCombinationPercentageChangeConsideredMaterialAttritionAssumptionsForIntangibleAssets_c6547dbd-6468-4cac-8098-350700d11558" xlink:href="clvt-20220630.xsd#clvt_BusinessCombinationPercentageChangeConsideredMaterialAttritionAssumptionsForIntangibleAssets"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_984eba15-6f44-4645-baad-52b350203061" xlink:to="loc_clvt_BusinessCombinationPercentageChangeConsideredMaterialAttritionAssumptionsForIntangibleAssets_c6547dbd-6468-4cac-8098-350700d11558" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityNoteStockSplitConversionRatio1_8adc9273-e5c6-4a56-a614-43e06d368544" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquityNoteStockSplitConversionRatio1"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_984eba15-6f44-4645-baad-52b350203061" xlink:to="loc_us-gaap_StockholdersEquityNoteStockSplitConversionRatio1_8adc9273-e5c6-4a56-a614-43e06d368544" xlink:type="arc" order="9"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferred1_a659ab6d-4126-4475-af2e-3baa0043043a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferred1"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_984eba15-6f44-4645-baad-52b350203061" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferred1_a659ab6d-4126-4475-af2e-3baa0043043a" xlink:type="arc" order="10"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionSharePrice_19dd9072-a8c1-417d-a701-a6f2c9ed8c9c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionSharePrice"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_984eba15-6f44-4645-baad-52b350203061" xlink:to="loc_us-gaap_BusinessAcquisitionSharePrice_19dd9072-a8c1-417d-a701-a6f2c9ed8c9c" xlink:type="arc" order="11"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_WarrantsExcludedFromOwnershipCalculation_eed5088d-2e8d-45a1-909a-82ca37961db6" xlink:href="clvt-20220630.xsd#clvt_WarrantsExcludedFromOwnershipCalculation"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_984eba15-6f44-4645-baad-52b350203061" xlink:to="loc_clvt_WarrantsExcludedFromOwnershipCalculation_eed5088d-2e8d-45a1-909a-82ca37961db6" xlink:type="arc" order="12"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_CompensatoryOptionsIssuedExcludedFromOwnershipCalculation_ba4b6884-7f8b-4765-b894-e489d4559ca1" xlink:href="clvt-20220630.xsd#clvt_CompensatoryOptionsIssuedExcludedFromOwnershipCalculation"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_984eba15-6f44-4645-baad-52b350203061" xlink:to="loc_clvt_CompensatoryOptionsIssuedExcludedFromOwnershipCalculation_ba4b6884-7f8b-4765-b894-e489d4559ca1" xlink:type="arc" order="13"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_OrdinarySharesOwnedBySponsorExcludedFromOwnershipCalculation_8108b0b7-160f-42c2-b3e6-afeb2d12472d" xlink:href="clvt-20220630.xsd#clvt_OrdinarySharesOwnedBySponsorExcludedFromOwnershipCalculation"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_984eba15-6f44-4645-baad-52b350203061" xlink:to="loc_clvt_OrdinarySharesOwnedBySponsorExcludedFromOwnershipCalculation_8108b0b7-160f-42c2-b3e6-afeb2d12472d" xlink:type="arc" order="14"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction_5d78b440-6d21-491b-a710-31ee6f30a063" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_984eba15-6f44-4645-baad-52b350203061" xlink:to="loc_us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction_5d78b440-6d21-491b-a710-31ee6f30a063" xlink:type="arc" order="15"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount_de5cb1d4-f088-482a-aec2-764a213ad0d5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_984eba15-6f44-4645-baad-52b350203061" xlink:to="loc_us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount_de5cb1d4-f088-482a-aec2-764a213ad0d5" xlink:type="arc" order="16"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_0706f1cb-4b3f-4008-b947-c7b5685a6b92" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_984eba15-6f44-4645-baad-52b350203061" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_0706f1cb-4b3f-4008-b947-c7b5685a6b92" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_1a06177f-0d36-45b6-9a19-0a7146d6fcc7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_0706f1cb-4b3f-4008-b947-c7b5685a6b92" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_1a06177f-0d36-45b6-9a19-0a7146d6fcc7" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_1a06177f-0d36-45b6-9a19-0a7146d6fcc7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_1a06177f-0d36-45b6-9a19-0a7146d6fcc7" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_1a06177f-0d36-45b6-9a19-0a7146d6fcc7_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_792ab8a7-a2dc-4872-b78b-ea2868ced63c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_1a06177f-0d36-45b6-9a19-0a7146d6fcc7" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_792ab8a7-a2dc-4872-b78b-ea2868ced63c" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_JerseyMember_bd951b42-354d-4508-85a7-7d950383c8fe" xlink:href="clvt-20220630.xsd#clvt_JerseyMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_792ab8a7-a2dc-4872-b78b-ea2868ced63c" xlink:to="loc_clvt_JerseyMember_bd951b42-354d-4508-85a7-7d950383c8fe" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ProQuestMember_78d802b9-4dd5-431b-95f8-57626780bf37" xlink:href="clvt-20220630.xsd#clvt_ProQuestMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_792ab8a7-a2dc-4872-b78b-ea2868ced63c" xlink:to="loc_clvt_ProQuestMember_78d802b9-4dd5-431b-95f8-57626780bf37" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_CPAGlobalMember_db1ae8f1-16aa-426b-b1e1-7f7bfe07e54d" xlink:href="clvt-20220630.xsd#clvt_CPAGlobalMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_792ab8a7-a2dc-4872-b78b-ea2868ced63c" xlink:to="loc_clvt_CPAGlobalMember_db1ae8f1-16aa-426b-b1e1-7f7bfe07e54d" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DecisionResourcesGroupMember_20c38074-59e7-4bc4-8191-9bd5964e58cb" xlink:href="clvt-20220630.xsd#clvt_DecisionResourcesGroupMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_792ab8a7-a2dc-4872-b78b-ea2868ced63c" xlink:to="loc_clvt_DecisionResourcesGroupMember_20c38074-59e7-4bc4-8191-9bd5964e58cb" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_2a729921-2dbf-4107-ba48-02376db14671" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_0706f1cb-4b3f-4008-b947-c7b5685a6b92" xlink:to="loc_dei_LegalEntityAxis_2a729921-2dbf-4107-ba48-02376db14671" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_2a729921-2dbf-4107-ba48-02376db14671_default" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_2a729921-2dbf-4107-ba48-02376db14671" xlink:to="loc_dei_EntityDomain_2a729921-2dbf-4107-ba48-02376db14671_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_b941eca0-0c62-4091-bca8-6e5c26894408" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_2a729921-2dbf-4107-ba48-02376db14671" xlink:to="loc_dei_EntityDomain_b941eca0-0c62-4091-bca8-6e5c26894408" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ClarivateMember_a9386e95-d7ab-4946-b64f-fa9c901863ee" xlink:href="clvt-20220630.xsd#clvt_ClarivateMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_b941eca0-0c62-4091-bca8-6e5c26894408" xlink:to="loc_clvt_ClarivateMember_a9386e95-d7ab-4946-b64f-fa9c901863ee" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ChurchillSponsorLLCMember_b908fdaf-7668-4a4a-b5e6-8d063bbaab85" xlink:href="clvt-20220630.xsd#clvt_ChurchillSponsorLLCMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_b941eca0-0c62-4091-bca8-6e5c26894408" xlink:to="loc_clvt_ChurchillSponsorLLCMember_b908fdaf-7668-4a4a-b5e6-8d063bbaab85" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_aaef656f-3c57-42a1-a91b-384561c4951b" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_CounterpartyNameAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_0706f1cb-4b3f-4008-b947-c7b5685a6b92" xlink:to="loc_srt_CounterpartyNameAxis_aaef656f-3c57-42a1-a91b-384561c4951b" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_aaef656f-3c57-42a1-a91b-384561c4951b_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_aaef656f-3c57-42a1-a91b-384561c4951b" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_aaef656f-3c57-42a1-a91b-384561c4951b_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_9e671e55-d65e-4237-9c8f-19c97c8e4c0d" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_aaef656f-3c57-42a1-a91b-384561c4951b" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_9e671e55-d65e-4237-9c8f-19c97c8e4c0d" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_CompanyOwnersMember_e0ab276e-ef17-40d5-b41e-068310ca8ae2" xlink:href="clvt-20220630.xsd#clvt_CompanyOwnersMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_9e671e55-d65e-4237-9c8f-19c97c8e4c0d" xlink:to="loc_clvt_CompanyOwnersMember_e0ab276e-ef17-40d5-b41e-068310ca8ae2" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ChurchillPublicShareholdersMember_adbc87c5-5344-477d-9965-3cc9a7ab59cf" xlink:href="clvt-20220630.xsd#clvt_ChurchillPublicShareholdersMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_9e671e55-d65e-4237-9c8f-19c97c8e4c0d" xlink:to="loc_clvt_ChurchillPublicShareholdersMember_adbc87c5-5344-477d-9965-3cc9a7ab59cf" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ChurchillSponsorLLCMember_3bdcb721-190d-4dd4-82bd-7f6ba31f52bf" xlink:href="clvt-20220630.xsd#clvt_ChurchillSponsorLLCMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_9e671e55-d65e-4237-9c8f-19c97c8e4c0d" xlink:to="loc_clvt_ChurchillSponsorLLCMember_3bdcb721-190d-4dd4-82bd-7f6ba31f52bf" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_CertainInvestorsMember_9e0a9fbb-a84a-4f0b-8a85-88ed7151c58d" xlink:href="clvt-20220630.xsd#clvt_CertainInvestorsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_9e671e55-d65e-4237-9c8f-19c97c8e4c0d" xlink:to="loc_clvt_CertainInvestorsMember_9e0a9fbb-a84a-4f0b-8a85-88ed7151c58d" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_LeonardGreenAndPartnersLPMember_b1cd95c1-da1e-43f3-a55e-a07a0302c585" xlink:href="clvt-20220630.xsd#clvt_LeonardGreenAndPartnersLPMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_9e671e55-d65e-4237-9c8f-19c97c8e4c0d" xlink:to="loc_clvt_LeonardGreenAndPartnersLPMember_b1cd95c1-da1e-43f3-a55e-a07a0302c585" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonrecurringAdjustmentAxis_4badeee2-8a54-45ac-b989-4816a53700e5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NonrecurringAdjustmentAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_0706f1cb-4b3f-4008-b947-c7b5685a6b92" xlink:to="loc_us-gaap_NonrecurringAdjustmentAxis_4badeee2-8a54-45ac-b989-4816a53700e5" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonrecurringAdjustmentDomain_4badeee2-8a54-45ac-b989-4816a53700e5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NonrecurringAdjustmentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_NonrecurringAdjustmentAxis_4badeee2-8a54-45ac-b989-4816a53700e5" xlink:to="loc_us-gaap_NonrecurringAdjustmentDomain_4badeee2-8a54-45ac-b989-4816a53700e5_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonrecurringAdjustmentDomain_440aec23-9b39-4068-a9c0-75971e840818" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NonrecurringAdjustmentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_NonrecurringAdjustmentAxis_4badeee2-8a54-45ac-b989-4816a53700e5" xlink:to="loc_us-gaap_NonrecurringAdjustmentDomain_440aec23-9b39-4068-a9c0-75971e840818" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AcquisitionRelatedCostsMember_4a9f1f3f-2f8b-46c4-a6ac-149a3db7d1b4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AcquisitionRelatedCostsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NonrecurringAdjustmentDomain_440aec23-9b39-4068-a9c0-75971e840818" xlink:to="loc_us-gaap_AcquisitionRelatedCostsMember_4a9f1f3f-2f8b-46c4-a6ac-149a3db7d1b4" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_UndrawnBridgeCommitmentFeesMember_9d801a9d-a95a-462e-8fe4-4ce13e985191" xlink:href="clvt-20220630.xsd#clvt_UndrawnBridgeCommitmentFeesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NonrecurringAdjustmentDomain_440aec23-9b39-4068-a9c0-75971e840818" xlink:to="loc_clvt_UndrawnBridgeCommitmentFeesMember_9d801a9d-a95a-462e-8fe4-4ce13e985191" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_9b2fc96b-6339-4672-9255-20e79f8d6b16" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_0706f1cb-4b3f-4008-b947-c7b5685a6b92" xlink:to="loc_srt_RangeAxis_9b2fc96b-6339-4672-9255-20e79f8d6b16" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_9b2fc96b-6339-4672-9255-20e79f8d6b16_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_9b2fc96b-6339-4672-9255-20e79f8d6b16" xlink:to="loc_srt_RangeMember_9b2fc96b-6339-4672-9255-20e79f8d6b16_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_2c135bee-e25f-4b71-80e4-20aa9a88d25f" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_9b2fc96b-6339-4672-9255-20e79f8d6b16" xlink:to="loc_srt_RangeMember_2c135bee-e25f-4b71-80e4-20aa9a88d25f" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_d217661d-9425-405e-8825-816751a6445a" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_2c135bee-e25f-4b71-80e4-20aa9a88d25f" xlink:to="loc_srt_MaximumMember_d217661d-9425-405e-8825-816751a6445a" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_a6f3b273-8d30-4f18-b1aa-4082e7c08f2a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CreditFacilityAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_0706f1cb-4b3f-4008-b947-c7b5685a6b92" xlink:to="loc_us-gaap_CreditFacilityAxis_a6f3b273-8d30-4f18-b1aa-4082e7c08f2a" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_a6f3b273-8d30-4f18-b1aa-4082e7c08f2a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CreditFacilityDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_a6f3b273-8d30-4f18-b1aa-4082e7c08f2a" xlink:to="loc_us-gaap_CreditFacilityDomain_a6f3b273-8d30-4f18-b1aa-4082e7c08f2a_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_f5a96471-f06b-47ef-8108-d97405846c03" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CreditFacilityDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_a6f3b273-8d30-4f18-b1aa-4082e7c08f2a" xlink:to="loc_us-gaap_CreditFacilityDomain_f5a96471-f06b-47ef-8108-d97405846c03" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_eddd1158-5bb0-461f-bc76-d3eaa8acde1d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevolvingCreditFacilityMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_f5a96471-f06b-47ef-8108-d97405846c03" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_eddd1158-5bb0-461f-bc76-d3eaa8acde1d" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_9e4f67c1-acd9-4f7a-9231-047a1c7f7c3c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_0706f1cb-4b3f-4008-b947-c7b5685a6b92" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_9e4f67c1-acd9-4f7a-9231-047a1c7f7c3c" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_9e4f67c1-acd9-4f7a-9231-047a1c7f7c3c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeContractTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_9e4f67c1-acd9-4f7a-9231-047a1c7f7c3c" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_9e4f67c1-acd9-4f7a-9231-047a1c7f7c3c_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_806ac8ea-b35b-4e70-8060-4e1cf7c04fb9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeContractTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_9e4f67c1-acd9-4f7a-9231-047a1c7f7c3c" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_806ac8ea-b35b-4e70-8060-4e1cf7c04fb9" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateSwapMember_55e507bb-6701-466d-b2a6-5e4c4bc29acf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestRateSwapMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_806ac8ea-b35b-4e70-8060-4e1cf7c04fb9" xlink:to="loc_us-gaap_InterestRateSwapMember_55e507bb-6701-466d-b2a6-5e4c4bc29acf" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_b4a8aba1-880d-4bff-a999-c83a5f21c3b0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_0706f1cb-4b3f-4008-b947-c7b5685a6b92" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_b4a8aba1-880d-4bff-a999-c83a5f21c3b0" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_b4a8aba1-880d-4bff-a999-c83a5f21c3b0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_b4a8aba1-880d-4bff-a999-c83a5f21c3b0" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_b4a8aba1-880d-4bff-a999-c83a5f21c3b0_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_035be49e-4307-4354-8c6a-7d90fcf99081" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_b4a8aba1-880d-4bff-a999-c83a5f21c3b0" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_035be49e-4307-4354-8c6a-7d90fcf99081" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_16ab1e9b-941c-4f19-b41b-c9e82db317c2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CustomerRelationshipsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_035be49e-4307-4354-8c6a-7d90fcf99081" xlink:to="loc_us-gaap_CustomerRelationshipsMember_16ab1e9b-941c-4f19-b41b-c9e82db317c2" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/BusinessCombinationsPurchasePriceCompositionDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#BusinessCombinationsPurchasePriceCompositionDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/BusinessCombinationsPurchasePriceCompositionDetails" xlink:type="extended" id="i95a0700fb24749a0b010c551b3456bc1_BusinessCombinationsPurchasePriceCompositionDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_bb1a837c-5500-4d37-b828-891d3fa5f4e2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_87b8bb56-cd88-4302-80d1-93100483e562" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_bb1a837c-5500-4d37-b828-891d3fa5f4e2" xlink:to="loc_us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_87b8bb56-cd88-4302-80d1-93100483e562" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_b02c514b-5850-4c9c-903d-62dbe740a6f5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_bb1a837c-5500-4d37-b828-891d3fa5f4e2" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_b02c514b-5850-4c9c-903d-62dbe740a6f5" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesGross_83b32e2f-aee0-4544-9f26-28ec8409b916" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesGross"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_bb1a837c-5500-4d37-b828-891d3fa5f4e2" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesGross_83b32e2f-aee0-4544-9f26-28ec8409b916" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferred1_33a1b58b-370d-4ca5-a95b-c0c886087cae" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferred1"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_bb1a837c-5500-4d37-b828-891d3fa5f4e2" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferred1_33a1b58b-370d-4ca5-a95b-c0c886087cae" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAcquiredFromAcquisition_de06c9d9-e0f6-4d45-9457-583f2374c079" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashAcquiredFromAcquisition"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_bb1a837c-5500-4d37-b828-891d3fa5f4e2" xlink:to="loc_us-gaap_CashAcquiredFromAcquisition_de06c9d9-e0f6-4d45-9457-583f2374c079" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_BusinessCombinationConsiderationTransferredNetOfCashAcquired_f96cd10d-2120-4093-b230-644cacb10cbf" xlink:href="clvt-20220630.xsd#clvt_BusinessCombinationConsiderationTransferredNetOfCashAcquired"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_bb1a837c-5500-4d37-b828-891d3fa5f4e2" xlink:to="loc_clvt_BusinessCombinationConsiderationTransferredNetOfCashAcquired_f96cd10d-2120-4093-b230-644cacb10cbf" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharePrice_ed60ba23-d85f-40a1-81cc-74eeb0b65b4c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharePrice"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_bb1a837c-5500-4d37-b828-891d3fa5f4e2" xlink:to="loc_us-gaap_SharePrice_ed60ba23-d85f-40a1-81cc-74eeb0b65b4c" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_BusinessCombinationConsiderationTransferredBaseCashConsideration_5bc91b59-f84b-4aa4-a323-c28b3c117b08" xlink:href="clvt-20220630.xsd#clvt_BusinessCombinationConsiderationTransferredBaseCashConsideration"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_bb1a837c-5500-4d37-b828-891d3fa5f4e2" xlink:to="loc_clvt_BusinessCombinationConsiderationTransferredBaseCashConsideration_5bc91b59-f84b-4aa4-a323-c28b3c117b08" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_BusinessCombinationConsiderationTransferredWorkingCapitalAdjustments_7bb681bc-6873-4248-aec3-bd93622a51d1" xlink:href="clvt-20220630.xsd#clvt_BusinessCombinationConsiderationTransferredWorkingCapitalAdjustments"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_bb1a837c-5500-4d37-b828-891d3fa5f4e2" xlink:to="loc_clvt_BusinessCombinationConsiderationTransferredWorkingCapitalAdjustments_7bb681bc-6873-4248-aec3-bd93622a51d1" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_BusinessCombinationConsiderationTransferredClosingIndebtednessAdjustments_98d268f5-5dbe-468c-b834-621e310ef681" xlink:href="clvt-20220630.xsd#clvt_BusinessCombinationConsiderationTransferredClosingIndebtednessAdjustments"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_bb1a837c-5500-4d37-b828-891d3fa5f4e2" xlink:to="loc_clvt_BusinessCombinationConsiderationTransferredClosingIndebtednessAdjustments_98d268f5-5dbe-468c-b834-621e310ef681" xlink:type="arc" order="9"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_BusinessCombinationConsiderationTransferredClosingCashConsideration_05705c39-dbe1-43a2-a1ae-42cad3169f33" xlink:href="clvt-20220630.xsd#clvt_BusinessCombinationConsiderationTransferredClosingCashConsideration"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_bb1a837c-5500-4d37-b828-891d3fa5f4e2" xlink:to="loc_clvt_BusinessCombinationConsiderationTransferredClosingCashConsideration_05705c39-dbe1-43a2-a1ae-42cad3169f33" xlink:type="arc" order="10"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCash_d2957ec2-bcc8-456a-be7e-9c6c0ae56449" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestrictedCash"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_bb1a837c-5500-4d37-b828-891d3fa5f4e2" xlink:to="loc_us-gaap_RestrictedCash_d2957ec2-bcc8-456a-be7e-9c6c0ae56449" xlink:type="arc" order="11"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_b7efc86c-3c9b-454e-b664-1bd61e1f7eab" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_bb1a837c-5500-4d37-b828-891d3fa5f4e2" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_b7efc86c-3c9b-454e-b664-1bd61e1f7eab" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_2bbc49ea-2d48-450e-8c65-64ba4f2a953f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_b7efc86c-3c9b-454e-b664-1bd61e1f7eab" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_2bbc49ea-2d48-450e-8c65-64ba4f2a953f" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_2bbc49ea-2d48-450e-8c65-64ba4f2a953f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_2bbc49ea-2d48-450e-8c65-64ba4f2a953f" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_2bbc49ea-2d48-450e-8c65-64ba4f2a953f_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_07be7b3b-387f-498a-aedb-e67ef99c3cb2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_2bbc49ea-2d48-450e-8c65-64ba4f2a953f" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_07be7b3b-387f-498a-aedb-e67ef99c3cb2" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ProQuestMember_ba851232-f523-4c59-9a75-32ce85da4163" xlink:href="clvt-20220630.xsd#clvt_ProQuestMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_07be7b3b-387f-498a-aedb-e67ef99c3cb2" xlink:to="loc_clvt_ProQuestMember_ba851232-f523-4c59-9a75-32ce85da4163" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/BusinessCombinationsPurchasePriceAllocationDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#BusinessCombinationsPurchasePriceAllocationDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/BusinessCombinationsPurchasePriceAllocationDetails" xlink:type="extended" id="ie978e780ce844f6d91c23805ef3ee3e4_BusinessCombinationsPurchasePriceAllocationDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_d3550a11-d1d3-4e4f-a732-8ed76321edb3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_d3550a11-d1d3-4e4f-a732-8ed76321edb3" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentReceivables_9b234b14-f9fd-4bce-88de-70bc27febb5b" xlink:href="clvt-20220630.xsd#clvt_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentReceivables"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_clvt_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentReceivables_9b234b14-f9fd-4bce-88de-70bc27febb5b" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets_ac215adb-84ff-4193-ab49-9ef625956d56" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets_ac215adb-84ff-4193-ab49-9ef625956d56" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentPrepaidExpense_3a7f3304-0591-440f-b641-ed996faf84d3" xlink:href="clvt-20220630.xsd#clvt_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentPrepaidExpense"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_clvt_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentPrepaidExpense_3a7f3304-0591-440f-b641-ed996faf84d3" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_00a94134-0309-4e9f-86bf-bf61efaf71e1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_00a94134-0309-4e9f-86bf-bf61efaf71e1" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_6a8b6f50-3a90-4569-bb0c-9adc9185dcd9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_6a8b6f50-3a90-4569-bb0c-9adc9185dcd9" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentPropertyPlantAndEquipment_ea9b84b1-daac-4a2c-bfee-ddb649aabc50" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentPropertyPlantAndEquipment"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_us-gaap_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentPropertyPlantAndEquipment_ea9b84b1-daac-4a2c-bfee-ddb649aabc50" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_97c93fe1-f9de-4d5f-bd0b-7f6bffae13a8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_97c93fe1-f9de-4d5f-bd0b-7f6bffae13a8" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentIntangibles_99485bee-e290-4886-a7d6-580e5878f049" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentIntangibles"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_us-gaap_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentIntangibles_99485bee-e290-4886-a7d6-580e5878f049" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentAssets_425c9777-5f0d-4113-a87e-3cd945c8c197" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentAssets"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentAssets_425c9777-5f0d-4113-a87e-3cd945c8c197" xlink:type="arc" order="9"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssets_6cdd6a31-9370-4c09-b3f5-0aad320370f1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssets"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssets_6cdd6a31-9370-4c09-b3f5-0aad320370f1" xlink:type="arc" order="10"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedOperatingLeaseRightofUseAssets_97ad61cb-cdf4-4bd5-894b-718222e46f4b" xlink:href="clvt-20220630.xsd#clvt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedOperatingLeaseRightofUseAssets"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_clvt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedOperatingLeaseRightofUseAssets_97ad61cb-cdf4-4bd5-894b-718222e46f4b" xlink:type="arc" order="11"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_1bf74426-f6b3-4724-8f19-302c310c03ca" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_1bf74426-f6b3-4724-8f19-302c310c03ca" xlink:type="arc" order="12"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentAssets_81f5d9aa-9ac5-40ea-a3cd-54e6148c3609" xlink:href="clvt-20220630.xsd#clvt_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentAssets"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_clvt_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentAssets_81f5d9aa-9ac5-40ea-a3cd-54e6148c3609" xlink:type="arc" order="13"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_58b84780-3a77-49a7-8925-05b1f0b6b7b6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_58b84780-3a77-49a7-8925-05b1f0b6b7b6" xlink:type="arc" order="14"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_be5e66b5-aa92-4fec-9ceb-9bf3abf4ff23" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_be5e66b5-aa92-4fec-9ceb-9bf3abf4ff23" xlink:type="arc" order="15"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentAccruedExpensesAndOtherCurrentLiabilities_444eb638-cdba-4f32-bce3-b011f3cb006a" xlink:href="clvt-20220630.xsd#clvt_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentAccruedExpensesAndOtherCurrentLiabilities"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_clvt_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentAccruedExpensesAndOtherCurrentLiabilities_444eb638-cdba-4f32-bce3-b011f3cb006a" xlink:type="arc" order="16"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLongTermDebt_7c288f67-ce6e-4c2a-a0fb-32f278b1bc93" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLongTermDebt"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLongTermDebt_7c288f67-ce6e-4c2a-a0fb-32f278b1bc93" xlink:type="arc" order="17"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue_282f12a4-7574-424f-9134-db2da094d2bc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue_282f12a4-7574-424f-9134-db2da094d2bc" xlink:type="arc" order="18"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseCurrent_435dff3f-fc4b-4fa2-b114-3c86da4e6c81" xlink:href="clvt-20220630.xsd#clvt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseCurrent"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_clvt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseCurrent_435dff3f-fc4b-4fa2-b114-3c86da4e6c81" xlink:type="arc" order="19"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt_47ee7de7-27d2-4a0d-a616-82a9f8345a2f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt_47ee7de7-27d2-4a0d-a616-82a9f8345a2f" xlink:type="arc" order="20"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_f65740a8-6d09-452a-9fdf-5b5e5ebaada7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_f65740a8-6d09-452a-9fdf-5b5e5ebaada7" xlink:type="arc" order="21"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentDeferredTaxLiabilities_a69164b5-14d7-4084-8f7b-0980cc15dbdd" xlink:href="clvt-20220630.xsd#clvt_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentDeferredTaxLiabilities"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_clvt_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentDeferredTaxLiabilities_a69164b5-14d7-4084-8f7b-0980cc15dbdd" xlink:type="arc" order="22"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNonCurrentLiabilitiesDeferredRevenue_a50ce903-869d-4d29-8230-efdc989ace17" xlink:href="clvt-20220630.xsd#clvt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNonCurrentLiabilitiesDeferredRevenue"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_clvt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNonCurrentLiabilitiesDeferredRevenue_a50ce903-869d-4d29-8230-efdc989ace17" xlink:type="arc" order="23"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_27db3d9e-2c38-4806-ab16-4d772efb28a2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_27db3d9e-2c38-4806-ab16-4d772efb28a2" xlink:type="arc" order="24"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentNoncurrentLiabilitiesOther_8a8dee53-b352-4893-90a9-5a5b0a90d39e" xlink:href="clvt-20220630.xsd#clvt_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentNoncurrentLiabilitiesOther"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_clvt_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentNoncurrentLiabilitiesOther_8a8dee53-b352-4893-90a9-5a5b0a90d39e" xlink:type="arc" order="25"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseNonCurrent_1ac31d4f-194c-47ee-9916-2a68694c4eb7" xlink:href="clvt-20220630.xsd#clvt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseNonCurrent"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_clvt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseNonCurrent_1ac31d4f-194c-47ee-9916-2a68694c4eb7" xlink:type="arc" order="26"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_68392ef5-3b42-47d6-afa0-c9da49d290cc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_68392ef5-3b42-47d6-afa0-c9da49d290cc" xlink:type="arc" order="27"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentLiabilities_2106fe1a-a32b-41e0-b0c9-cf1d21c8606a" xlink:href="clvt-20220630.xsd#clvt_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentLiabilities"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_clvt_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentLiabilities_2106fe1a-a32b-41e0-b0c9-cf1d21c8606a" xlink:type="arc" order="28"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_756cf6d3-0e15-4a52-a6a9-87e3e52052ec" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_756cf6d3-0e15-4a52-a6a9-87e3e52052ec" xlink:type="arc" order="29"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNetFairValue_acd91011-d21e-4dfc-95bf-476cff066462" xlink:href="clvt-20220630.xsd#clvt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNetFairValue"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_clvt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNetFairValue_acd91011-d21e-4dfc-95bf-476cff066462" xlink:type="arc" order="30"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_BusinessCombinationConsiderationTransferredNetOfCashAcquired_b41da4a9-4133-4882-bc86-ef112c583139" xlink:href="clvt-20220630.xsd#clvt_BusinessCombinationConsiderationTransferredNetOfCashAcquired"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_clvt_BusinessCombinationConsiderationTransferredNetOfCashAcquired_b41da4a9-4133-4882-bc86-ef112c583139" xlink:type="arc" order="31"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentConsiderationTransferredNetOfCashAcquired_e9937d7a-ddf5-4f50-8f60-98e597921cc7" xlink:href="clvt-20220630.xsd#clvt_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentConsiderationTransferredNetOfCashAcquired"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_clvt_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentConsiderationTransferredNetOfCashAcquired_e9937d7a-ddf5-4f50-8f60-98e597921cc7" xlink:type="arc" order="32"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_d4c0d7a0-b3bd-48ce-87d1-ad98ec4e2af1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Goodwill"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_us-gaap_Goodwill_d4c0d7a0-b3bd-48ce-87d1-ad98ec4e2af1" xlink:type="arc" order="33"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillPurchaseAccountingAdjustments_01fcc292-379b-4cd4-b030-7a05ebf9f9b4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillPurchaseAccountingAdjustments"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_us-gaap_GoodwillPurchaseAccountingAdjustments_01fcc292-379b-4cd4-b030-7a05ebf9f9b4" xlink:type="arc" order="34"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedValuedIntangibleAssets_425892af-ab9d-4abd-8b88-90569285c028" xlink:href="clvt-20220630.xsd#clvt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedValuedIntangibleAssets"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_clvt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedValuedIntangibleAssets_425892af-ab9d-4abd-8b88-90569285c028" xlink:type="arc" order="35"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedUnderConstructionIntangibleAssets_ea83ae33-6df3-4489-af2f-a68c35bf35f0" xlink:href="clvt-20220630.xsd#clvt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedUnderConstructionIntangibleAssets"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_clvt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedUnderConstructionIntangibleAssets_ea83ae33-6df3-4489-af2f-a68c35bf35f0" xlink:type="arc" order="36"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_6facafd9-f369-4456-9639-c629fc80ac37" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_771f7745-5ebe-437f-9f4b-25590d667a14" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_6facafd9-f369-4456-9639-c629fc80ac37" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_71a3f1de-dffc-4975-9db1-6fee0c6cc20a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_6facafd9-f369-4456-9639-c629fc80ac37" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_71a3f1de-dffc-4975-9db1-6fee0c6cc20a" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_71a3f1de-dffc-4975-9db1-6fee0c6cc20a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_71a3f1de-dffc-4975-9db1-6fee0c6cc20a" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_71a3f1de-dffc-4975-9db1-6fee0c6cc20a_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_7958a9b9-bcf2-4512-8e12-854533948504" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_71a3f1de-dffc-4975-9db1-6fee0c6cc20a" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_7958a9b9-bcf2-4512-8e12-854533948504" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ProQuestMember_1b455dd7-1585-474b-8b4c-e1769b8eba94" xlink:href="clvt-20220630.xsd#clvt_ProQuestMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_7958a9b9-bcf2-4512-8e12-854533948504" xlink:to="loc_clvt_ProQuestMember_1b455dd7-1585-474b-8b4c-e1769b8eba94" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DecisionResourcesGroupMember_ce21b8bf-efe5-4e0a-bc47-4581131f3189" xlink:href="clvt-20220630.xsd#clvt_DecisionResourcesGroupMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_7958a9b9-bcf2-4512-8e12-854533948504" xlink:to="loc_clvt_DecisionResourcesGroupMember_ce21b8bf-efe5-4e0a-bc47-4581131f3189" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_CPAGlobalMember_36aa8db5-397e-497d-8f42-bca7a09f9723" xlink:href="clvt-20220630.xsd#clvt_CPAGlobalMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_7958a9b9-bcf2-4512-8e12-854533948504" xlink:to="loc_clvt_CPAGlobalMember_36aa8db5-397e-497d-8f42-bca7a09f9723" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DRGMember_8f941335-eb70-4f27-ba5f-5ef478383d41" xlink:href="clvt-20220630.xsd#clvt_DRGMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_7958a9b9-bcf2-4512-8e12-854533948504" xlink:to="loc_clvt_DRGMember_8f941335-eb70-4f27-ba5f-5ef478383d41" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_aea14012-7ff7-4e26-92e3-302936ba1184" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_6facafd9-f369-4456-9639-c629fc80ac37" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_aea14012-7ff7-4e26-92e3-302936ba1184" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_aea14012-7ff7-4e26-92e3-302936ba1184_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_aea14012-7ff7-4e26-92e3-302936ba1184" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_aea14012-7ff7-4e26-92e3-302936ba1184_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1da9a017-d0b8-4126-95eb-94296ee65868" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_aea14012-7ff7-4e26-92e3-302936ba1184" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1da9a017-d0b8-4126-95eb-94296ee65868" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SoftwareDevelopmentMember_28336e1f-eb95-4427-9d63-c2fa7c4b4718" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SoftwareDevelopmentMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1da9a017-d0b8-4126-95eb-94296ee65868" xlink:to="loc_us-gaap_SoftwareDevelopmentMember_28336e1f-eb95-4427-9d63-c2fa7c4b4718" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/BusinessCombinationsIntangibleAssetsAcquiredDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#BusinessCombinationsIntangibleAssetsAcquiredDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/BusinessCombinationsIntangibleAssetsAcquiredDetails" xlink:type="extended" id="i42f05925f27244a2a69c134d148267e0_BusinessCombinationsIntangibleAssetsAcquiredDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_6b5984e3-7fd0-41f7-a152-39bd8b873842" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinitelivedIntangibleAssetsAcquired1_26792ea2-aa4e-4fd1-bd78-b80cc327cdc6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinitelivedIntangibleAssetsAcquired1"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_6b5984e3-7fd0-41f7-a152-39bd8b873842" xlink:to="loc_us-gaap_FinitelivedIntangibleAssetsAcquired1_26792ea2-aa4e-4fd1-bd78-b80cc327cdc6" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_217342a9-4964-41a8-a0e4-e85daea6f11e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_6b5984e3-7fd0-41f7-a152-39bd8b873842" xlink:to="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_217342a9-4964-41a8-a0e4-e85daea6f11e" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_5e3e6f66-a4d5-4546-92d2-9e6acbf59144" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_6b5984e3-7fd0-41f7-a152-39bd8b873842" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_5e3e6f66-a4d5-4546-92d2-9e6acbf59144" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_1b629001-51eb-42d1-92bf-a2a05967d3eb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_5e3e6f66-a4d5-4546-92d2-9e6acbf59144" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_1b629001-51eb-42d1-92bf-a2a05967d3eb" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_1b629001-51eb-42d1-92bf-a2a05967d3eb_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_1b629001-51eb-42d1-92bf-a2a05967d3eb" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_1b629001-51eb-42d1-92bf-a2a05967d3eb_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_6c2d0a1d-cddf-45d3-9223-6236e8c8bc70" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_1b629001-51eb-42d1-92bf-a2a05967d3eb" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_6c2d0a1d-cddf-45d3-9223-6236e8c8bc70" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ProQuestMember_6a76f3f2-9a3b-4374-bc42-c6e10675c4c1" xlink:href="clvt-20220630.xsd#clvt_ProQuestMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_6c2d0a1d-cddf-45d3-9223-6236e8c8bc70" xlink:to="loc_clvt_ProQuestMember_6a76f3f2-9a3b-4374-bc42-c6e10675c4c1" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DecisionResourcesGroupMember_d6fbceda-f244-44cb-ab67-d66ca05a5fc8" xlink:href="clvt-20220630.xsd#clvt_DecisionResourcesGroupMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_6c2d0a1d-cddf-45d3-9223-6236e8c8bc70" xlink:to="loc_clvt_DecisionResourcesGroupMember_d6fbceda-f244-44cb-ab67-d66ca05a5fc8" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_CPAGlobalMember_38435d9e-5505-4027-ad1a-d2834d9a000d" xlink:href="clvt-20220630.xsd#clvt_CPAGlobalMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_6c2d0a1d-cddf-45d3-9223-6236e8c8bc70" xlink:to="loc_clvt_CPAGlobalMember_38435d9e-5505-4027-ad1a-d2834d9a000d" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_1f10cf03-d304-43e9-a238-42be96e33994" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_5e3e6f66-a4d5-4546-92d2-9e6acbf59144" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_1f10cf03-d304-43e9-a238-42be96e33994" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1f10cf03-d304-43e9-a238-42be96e33994_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_1f10cf03-d304-43e9-a238-42be96e33994" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1f10cf03-d304-43e9-a238-42be96e33994_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9a6eab57-40f8-434a-bf9e-8748c0ad438b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_1f10cf03-d304-43e9-a238-42be96e33994" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9a6eab57-40f8-434a-bf9e-8748c0ad438b" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_e1cc19e5-ecb7-4df8-b507-347fb0a6e364" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CustomerRelationshipsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9a6eab57-40f8-434a-bf9e-8748c0ad438b" xlink:to="loc_us-gaap_CustomerRelationshipsMember_e1cc19e5-ecb7-4df8-b507-347fb0a6e364" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_TechnologyAndDatabaseMember_44b96a9e-be1d-415a-99b3-af3fc10702f8" xlink:href="clvt-20220630.xsd#clvt_TechnologyAndDatabaseMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9a6eab57-40f8-434a-bf9e-8748c0ad438b" xlink:to="loc_clvt_TechnologyAndDatabaseMember_44b96a9e-be1d-415a-99b3-af3fc10702f8" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TechnologyBasedIntangibleAssetsMember_865525f0-c519-4c7f-bcb2-72618c17e237" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TechnologyBasedIntangibleAssetsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9a6eab57-40f8-434a-bf9e-8748c0ad438b" xlink:to="loc_us-gaap_TechnologyBasedIntangibleAssetsMember_865525f0-c519-4c7f-bcb2-72618c17e237" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DatabasesAndContentMember_8e243adf-ea06-4360-9694-3116655ae82a" xlink:href="clvt-20220630.xsd#clvt_DatabasesAndContentMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9a6eab57-40f8-434a-bf9e-8748c0ad438b" xlink:to="loc_clvt_DatabasesAndContentMember_8e243adf-ea06-4360-9694-3116655ae82a" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TradeNamesMember_5dee16e7-26e4-4eb7-be34-af5f2d1844fb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TradeNamesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9a6eab57-40f8-434a-bf9e-8748c0ad438b" xlink:to="loc_us-gaap_TradeNamesMember_5dee16e7-26e4-4eb7-be34-af5f2d1844fb" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_PurchasedComputerSoftwareMember_4dba5370-0c9a-4234-9634-d313bdbb1472" xlink:href="clvt-20220630.xsd#clvt_PurchasedComputerSoftwareMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9a6eab57-40f8-434a-bf9e-8748c0ad438b" xlink:to="loc_clvt_PurchasedComputerSoftwareMember_4dba5370-0c9a-4234-9634-d313bdbb1472" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OrderOrProductionBacklogMember_df2085d6-fee6-4884-8d80-edde85ab5dd3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OrderOrProductionBacklogMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9a6eab57-40f8-434a-bf9e-8748c0ad438b" xlink:to="loc_us-gaap_OrderOrProductionBacklogMember_df2085d6-fee6-4884-8d80-edde85ab5dd3" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_347c9440-3baf-4fdf-8599-8acb4b5b1b0b" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_5e3e6f66-a4d5-4546-92d2-9e6acbf59144" xlink:to="loc_srt_RangeAxis_347c9440-3baf-4fdf-8599-8acb4b5b1b0b" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_347c9440-3baf-4fdf-8599-8acb4b5b1b0b_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_347c9440-3baf-4fdf-8599-8acb4b5b1b0b" xlink:to="loc_srt_RangeMember_347c9440-3baf-4fdf-8599-8acb4b5b1b0b_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_6837acd1-3af5-4a00-8e15-55524cda572e" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_347c9440-3baf-4fdf-8599-8acb4b5b1b0b" xlink:to="loc_srt_RangeMember_6837acd1-3af5-4a00-8e15-55524cda572e" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_779a084f-217d-436d-a2c2-c46bfccecc0b" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MinimumMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_6837acd1-3af5-4a00-8e15-55524cda572e" xlink:to="loc_srt_MinimumMember_779a084f-217d-436d-a2c2-c46bfccecc0b" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_324308e5-4576-4d2f-80a5-5584c9de0a91" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_6837acd1-3af5-4a00-8e15-55524cda572e" xlink:to="loc_srt_MaximumMember_324308e5-4576-4d2f-80a5-5584c9de0a91" xlink:type="arc" order="1"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/BusinessCombinationsProFormaInformationDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#BusinessCombinationsProFormaInformationDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/BusinessCombinationsProFormaInformationDetails" xlink:type="extended" id="i350e01ea79dc4f97b34da6695c6637ea_BusinessCombinationsProFormaInformationDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentLineItems_d363ed1e-9e12-43da-81eb-a432a267aa76" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionsProFormaRevenue_17adbcbb-5919-4164-92b5-a129c00b15d0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionsProFormaRevenue"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentLineItems_d363ed1e-9e12-43da-81eb-a432a267aa76" xlink:to="loc_us-gaap_BusinessAcquisitionsProFormaRevenue_17adbcbb-5919-4164-92b5-a129c00b15d0" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_2e5f095a-e225-4445-ae81-171404412ca3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentLineItems_d363ed1e-9e12-43da-81eb-a432a267aa76" xlink:to="loc_us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_2e5f095a-e225-4445-ae81-171404412ca3" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTable_1cbf896c-e6a9-4940-b7f9-eb52e3c54d27" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentLineItems_d363ed1e-9e12-43da-81eb-a432a267aa76" xlink:to="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTable_1cbf896c-e6a9-4940-b7f9-eb52e3c54d27" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_e0c1192f-e96e-45a0-9c8f-a060a887dcef" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTable_1cbf896c-e6a9-4940-b7f9-eb52e3c54d27" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_e0c1192f-e96e-45a0-9c8f-a060a887dcef" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_e0c1192f-e96e-45a0-9c8f-a060a887dcef_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_e0c1192f-e96e-45a0-9c8f-a060a887dcef" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_e0c1192f-e96e-45a0-9c8f-a060a887dcef_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_38a85afc-4e24-40fa-9bc8-28b54aa53354" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_e0c1192f-e96e-45a0-9c8f-a060a887dcef" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_38a85afc-4e24-40fa-9bc8-28b54aa53354" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ProQuestMember_74096b46-2f6c-452e-b649-666a65331ab7" xlink:href="clvt-20220630.xsd#clvt_ProQuestMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_38a85afc-4e24-40fa-9bc8-28b54aa53354" xlink:to="loc_clvt_ProQuestMember_74096b46-2f6c-452e-b649-666a65331ab7" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_CPAGlobalMember_566e78e6-1975-42aa-8d94-76d39eff9fec" xlink:href="clvt-20220630.xsd#clvt_CPAGlobalMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_38a85afc-4e24-40fa-9bc8-28b54aa53354" xlink:to="loc_clvt_CPAGlobalMember_566e78e6-1975-42aa-8d94-76d39eff9fec" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DecisionResourcesGroupMember_26229d71-567e-451f-a830-198e3a4f18e3" xlink:href="clvt-20220630.xsd#clvt_DecisionResourcesGroupMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_38a85afc-4e24-40fa-9bc8-28b54aa53354" xlink:to="loc_clvt_DecisionResourcesGroupMember_26229d71-567e-451f-a830-198e3a4f18e3" xlink:type="arc" order="2"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/AssetsHeldforSaleandDivestedOperationsDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#AssetsHeldforSaleandDivestedOperationsDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/AssetsHeldforSaleandDivestedOperationsDetails" xlink:type="extended" id="icdb270bf44a0440c98751af3c19ecbcb_AssetsHeldforSaleandDivestedOperationsDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_00b8ba16-5dc4-4582-aea4-d20f3e86a4a2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_00b8ba16-5dc4-4582-aea4-d20f3e86a4a2" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DisposalGroupIncludingDiscontinuedOperationConsiderationHeldInEscrow_1cea982c-fe79-41c6-9bd9-e49dd91a7735" xlink:href="clvt-20220630.xsd#clvt_DisposalGroupIncludingDiscontinuedOperationConsiderationHeldInEscrow"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_clvt_DisposalGroupIncludingDiscontinuedOperationConsiderationHeldInEscrow_1cea982c-fe79-41c6-9bd9-e49dd91a7735" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfIntangibleAssetsFinitelived_2044a08c-e516-4677-8ea2-188520c0395e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ImpairmentOfIntangibleAssetsFinitelived"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_us-gaap_ImpairmentOfIntangibleAssetsFinitelived_2044a08c-e516-4677-8ea2-188520c0395e" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill_355f6ef6-947a-47fa-bfa6-f77ba94137bc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill_355f6ef6-947a-47fa-bfa6-f77ba94137bc" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillImpairmentLoss_32b5acf3-0fe4-4c2d-bb2f-8b9e1529ec0a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillImpairmentLoss"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_us-gaap_GoodwillImpairmentLoss_32b5acf3-0fe4-4c2d-bb2f-8b9e1529ec0a" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInIntangibleAssetsCurrent_fb326a7b-696c-41a8-8135-e91b704cb126" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInIntangibleAssetsCurrent"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_us-gaap_IncreaseDecreaseInIntangibleAssetsCurrent_fb326a7b-696c-41a8-8135-e91b704cb126" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit_50d81954-cfbf-4a9c-ae73-6937849fd5b2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit_50d81954-cfbf-4a9c-ae73-6937849fd5b2" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_CurrentLiabilitiesReclassifiedToCurrentLiabilitiesHeldForSale_ae6c4a8f-f780-4008-9c7e-2ffc5eb16c1b" xlink:href="clvt-20220630.xsd#clvt_CurrentLiabilitiesReclassifiedToCurrentLiabilitiesHeldForSale"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_clvt_CurrentLiabilitiesReclassifiedToCurrentLiabilitiesHeldForSale_ae6c4a8f-f780-4008-9c7e-2ffc5eb16c1b" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_LongTermLiabilitiesReclassifiedToCurrentLiabilitiesHeldForSale_2f7623bc-1bc1-4f77-940d-3e674197c5a5" xlink:href="clvt-20220630.xsd#clvt_LongTermLiabilitiesReclassifiedToCurrentLiabilitiesHeldForSale"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_clvt_LongTermLiabilitiesReclassifiedToCurrentLiabilitiesHeldForSale_2f7623bc-1bc1-4f77-940d-3e674197c5a5" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_e43c280d-c90e-4425-a9a1-4389dcd6b547" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_e43c280d-c90e-4425-a9a1-4389dcd6b547" xlink:type="arc" order="9"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DisposalGroupIncludingDiscontinuedOperationTransactionCosts_bea66c58-1973-4b4e-af86-5a5e2e8c3940" xlink:href="clvt-20220630.xsd#clvt_DisposalGroupIncludingDiscontinuedOperationTransactionCosts"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_clvt_DisposalGroupIncludingDiscontinuedOperationTransactionCosts_bea66c58-1973-4b4e-af86-5a5e2e8c3940" xlink:type="arc" order="10"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwill1_6a9817c2-ec92-4961-8556-7ae912da5860" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwill1"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwill1_6a9817c2-ec92-4961-8556-7ae912da5860" xlink:type="arc" order="11"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLinesOfCredit_d7813f44-f61a-41fa-9ea6-e89ec2093ca5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RepaymentsOfLinesOfCredit"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_us-gaap_RepaymentsOfLinesOfCredit_d7813f44-f61a-41fa-9ea6-e89ec2093ca5" xlink:type="arc" order="12"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromDivestitureOfBusinesses_c57057dd-45d6-4e13-a36e-b9e7c02af40f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromDivestitureOfBusinesses"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_us-gaap_ProceedsFromDivestitureOfBusinesses_c57057dd-45d6-4e13-a36e-b9e7c02af40f" xlink:type="arc" order="13"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested_56070ac4-be89-47b3-bc16-df14e9cbd9c0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested_56070ac4-be89-47b3-bc16-df14e9cbd9c0" xlink:type="arc" order="14"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_NoncurrentAssetsReclassifiedToAssetsHeldForSaleNotPartOfDisposalGroupCurrent_9557805c-359b-40c0-bd56-2f87c8576d7c" xlink:href="clvt-20220630.xsd#clvt_NoncurrentAssetsReclassifiedToAssetsHeldForSaleNotPartOfDisposalGroupCurrent"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_clvt_NoncurrentAssetsReclassifiedToAssetsHeldForSaleNotPartOfDisposalGroupCurrent_9557805c-359b-40c0-bd56-2f87c8576d7c" xlink:type="arc" order="15"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf_f894aa00-f0ab-47ac-a63d-f89057fc6863" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf_f894aa00-f0ab-47ac-a63d-f89057fc6863" xlink:type="arc" order="16"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DisposalGroupIncludingDiscontinuedOperationPrepaidExpensesOtherIntangibleAssetsNetNoncurrent_67707dbc-66b8-494a-95a9-8199e66d21dd" xlink:href="clvt-20220630.xsd#clvt_DisposalGroupIncludingDiscontinuedOperationPrepaidExpensesOtherIntangibleAssetsNetNoncurrent"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_clvt_DisposalGroupIncludingDiscontinuedOperationPrepaidExpensesOtherIntangibleAssetsNetNoncurrent_67707dbc-66b8-494a-95a9-8199e66d21dd" xlink:type="arc" order="17"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents_a416715a-6868-4a56-ba9a-a730ae686820" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents_a416715a-6868-4a56-ba9a-a730ae686820" xlink:type="arc" order="18"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DisposalGroupIncludingDiscontinuedOperationPrepaidExpensesComputerHardwareAndOtherPropertyNetNoncurrent_6f18679e-d65c-4a20-a962-b7d726bfd3e8" xlink:href="clvt-20220630.xsd#clvt_DisposalGroupIncludingDiscontinuedOperationPrepaidExpensesComputerHardwareAndOtherPropertyNetNoncurrent"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_clvt_DisposalGroupIncludingDiscontinuedOperationPrepaidExpensesComputerHardwareAndOtherPropertyNetNoncurrent_6f18679e-d65c-4a20-a962-b7d726bfd3e8" xlink:type="arc" order="19"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent_6dc656e9-89a0-4383-8901-ac286c4efbfe" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent_6dc656e9-89a0-4383-8901-ac286c4efbfe" xlink:type="arc" order="20"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_c2b8931a-c9c6-4fdd-abbb-5b0121952ff8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_c2b8931a-c9c6-4fdd-abbb-5b0121952ff8" xlink:type="arc" order="21"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities_6b31f03e-9d2f-42e1-a219-3986bb3bae4f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities_6b31f03e-9d2f-42e1-a219-3986bb3bae4f" xlink:type="arc" order="22"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueCurrent_eb4a0cf4-1d21-4bc7-89b1-36fb6ec6ec80" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueCurrent"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueCurrent_eb4a0cf4-1d21-4bc7-89b1-36fb6ec6ec80" xlink:type="arc" order="23"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiabilitiesCurrent_82e3e5fa-28f3-4d9b-a188-5039ea3f9594" xlink:href="clvt-20220630.xsd#clvt_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiabilitiesCurrent"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_clvt_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiabilitiesCurrent_82e3e5fa-28f3-4d9b-a188-5039ea3f9594" xlink:type="arc" order="24"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_a13e1a6f-ef34-459a-a877-bd5e08d26b38" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_a13e1a6f-ef34-459a-a877-bd5e08d26b38" xlink:type="arc" order="25"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueNoncurrent_70d76f90-2f0c-4b77-916d-b7bf999b221f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueNoncurrent"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueNoncurrent_70d76f90-2f0c-4b77-916d-b7bf999b221f" xlink:type="arc" order="26"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities_3d94e6df-a1c2-430d-8c58-7c6bc76b17d4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities_3d94e6df-a1c2-430d-8c58-7c6bc76b17d4" xlink:type="arc" order="27"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiabilitiesNoncurrent_d2747750-86bb-48e1-8879-8797be615472" xlink:href="clvt-20220630.xsd#clvt_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiabilitiesNoncurrent"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_clvt_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiabilitiesNoncurrent_d2747750-86bb-48e1-8879-8797be615472" xlink:type="arc" order="28"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_2a071b13-9203-47c5-9c48-2aad7dd81157" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_2a071b13-9203-47c5-9c48-2aad7dd81157" xlink:type="arc" order="29"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DisposalGroupIncludingDiscontinuedOperationPrepaidExpensesCurrent_fcafaa50-a5cc-4f8d-8ab9-c62924c72339" xlink:href="clvt-20220630.xsd#clvt_DisposalGroupIncludingDiscontinuedOperationPrepaidExpensesCurrent"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_clvt_DisposalGroupIncludingDiscontinuedOperationPrepaidExpensesCurrent_fcafaa50-a5cc-4f8d-8ab9-c62924c72339" xlink:type="arc" order="30"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_47ed355b-41e5-456e-b8f2-d239f5419691" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_47ed355b-41e5-456e-b8f2-d239f5419691" xlink:type="arc" order="31"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets_6842351f-7852-4112-9e6f-805261579770" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets_6842351f-7852-4112-9e6f-805261579770" xlink:type="arc" order="32"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DisposalGroupIncludingDiscontinuedOperationPrepaidExpensesOperatingLeaseRightOfUseAssetsNoncurrent_0bcfed3b-d5a3-4a80-9ec8-480276eeed14" xlink:href="clvt-20220630.xsd#clvt_DisposalGroupIncludingDiscontinuedOperationPrepaidExpensesOperatingLeaseRightOfUseAssetsNoncurrent"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_clvt_DisposalGroupIncludingDiscontinuedOperationPrepaidExpensesOperatingLeaseRightOfUseAssetsNoncurrent_0bcfed3b-d5a3-4a80-9ec8-480276eeed14" xlink:type="arc" order="33"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_09f442a1-f311-4abd-b60c-ca746afcad44" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_09f442a1-f311-4abd-b60c-ca746afcad44" xlink:type="arc" order="34"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_IntangibleAssetsWrittenOffRelatedToSaleOfBusinessUnit_4804205b-50fa-4d2e-bc17-7c154d48293e" xlink:href="clvt-20220630.xsd#clvt_IntangibleAssetsWrittenOffRelatedToSaleOfBusinessUnit"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_clvt_IntangibleAssetsWrittenOffRelatedToSaleOfBusinessUnit_4804205b-50fa-4d2e-bc17-7c154d48293e" xlink:type="arc" order="35"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_00c30c01-233a-46f2-bc45-a9c2cec1b8eb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1db15ef-e588-4425-bac1-d847cf702e76" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_00c30c01-233a-46f2-bc45-a9c2cec1b8eb" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationAxis_0a9209e9-8e45-44d8-9266-d3deaaf1ff93" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupClassificationAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_00c30c01-233a-46f2-bc45-a9c2cec1b8eb" xlink:to="loc_us-gaap_DisposalGroupClassificationAxis_0a9209e9-8e45-44d8-9266-d3deaaf1ff93" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_0a9209e9-8e45-44d8-9266-d3deaaf1ff93_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupClassificationDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_0a9209e9-8e45-44d8-9266-d3deaaf1ff93" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_0a9209e9-8e45-44d8-9266-d3deaaf1ff93_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_ab1f6f1d-ffbb-4e89-a3f7-2d8ae6beb26c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupClassificationDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_0a9209e9-8e45-44d8-9266-d3deaaf1ff93" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_ab1f6f1d-ffbb-4e89-a3f7-2d8ae6beb26c" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationsDisposedOfBySaleMember_6b4d022f-4868-49d9-8716-7e29738d8107" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DiscontinuedOperationsDisposedOfBySaleMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupClassificationDomain_ab1f6f1d-ffbb-4e89-a3f7-2d8ae6beb26c" xlink:to="loc_us-gaap_DiscontinuedOperationsDisposedOfBySaleMember_6b4d022f-4868-49d9-8716-7e29738d8107" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_ce3149a2-e83f-4149-ba29-12681ea91cf8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_00c30c01-233a-46f2-bc45-a9c2cec1b8eb" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_ce3149a2-e83f-4149-ba29-12681ea91cf8" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_ce3149a2-e83f-4149-ba29-12681ea91cf8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_ce3149a2-e83f-4149-ba29-12681ea91cf8" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_ce3149a2-e83f-4149-ba29-12681ea91cf8_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_38686bb1-cc0e-4d02-86e7-351e1f9f2b3b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_ce3149a2-e83f-4149-ba29-12681ea91cf8" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_38686bb1-cc0e-4d02-86e7-351e1f9f2b3b" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_BrandProtectionAntiPiracyandAntiFraudsolutionsMember_d92bd393-7b1a-4e88-973c-14a7c5868276" xlink:href="clvt-20220630.xsd#clvt_BrandProtectionAntiPiracyandAntiFraudsolutionsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_38686bb1-cc0e-4d02-86e7-351e1f9f2b3b" xlink:to="loc_clvt_BrandProtectionAntiPiracyandAntiFraudsolutionsMember_d92bd393-7b1a-4e88-973c-14a7c5868276" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_IpManagementProductLineMember_67a96062-342f-47a1-8ddd-a2e95e6d16e2" xlink:href="clvt-20220630.xsd#clvt_IpManagementProductLineMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_38686bb1-cc0e-4d02-86e7-351e1f9f2b3b" xlink:to="loc_clvt_IpManagementProductLineMember_67a96062-342f-47a1-8ddd-a2e95e6d16e2" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_TechstreetBusinessMember_7a027f92-d3e8-4a65-854a-0094cb59a608" xlink:href="clvt-20220630.xsd#clvt_TechstreetBusinessMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_38686bb1-cc0e-4d02-86e7-351e1f9f2b3b" xlink:to="loc_clvt_TechstreetBusinessMember_7a027f92-d3e8-4a65-854a-0094cb59a608" xlink:type="arc" order="2"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/AssetsHeldforSaleandDivestedOperationsSummaryofAssetsandLiabilitiesHeldforSaleRelatedtoDivestmentDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#AssetsHeldforSaleandDivestedOperationsSummaryofAssetsandLiabilitiesHeldforSaleRelatedtoDivestmentDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/AssetsHeldforSaleandDivestedOperationsSummaryofAssetsandLiabilitiesHeldforSaleRelatedtoDivestmentDetails" xlink:type="extended" id="i742bceaed1d04d66873cf745e154c85b_AssetsHeldforSaleandDivestedOperationsSummaryofAssetsandLiabilitiesHeldforSaleRelatedtoDivestmentDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_77370044-9874-44e0-a4ef-2ddee772403b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_bcbe0a4f-e575-4ba5-949e-86cb37d9e17f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_77370044-9874-44e0-a4ef-2ddee772403b" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_bcbe0a4f-e575-4ba5-949e-86cb37d9e17f" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidExpense_50c3272d-fdbb-477c-87c0-e4487356767e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidExpense"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_77370044-9874-44e0-a4ef-2ddee772403b" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidExpense_50c3272d-fdbb-477c-87c0-e4487356767e" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets_a64ae5c0-d9ae-48ca-a6db-54791a0bcdc5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInOtherCurrentAssets"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_77370044-9874-44e0-a4ef-2ddee772403b" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets_a64ae5c0-d9ae-48ca-a6db-54791a0bcdc5" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInIntangibleAssetsCurrent_d14ed947-41c8-484c-bc1b-2af07eea9b56" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInIntangibleAssetsCurrent"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_77370044-9874-44e0-a4ef-2ddee772403b" xlink:to="loc_us-gaap_IncreaseDecreaseInIntangibleAssetsCurrent_d14ed947-41c8-484c-bc1b-2af07eea9b56" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentAssets_237ce26b-9809-4465-b500-5acc45f0aa54" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentAssets"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_77370044-9874-44e0-a4ef-2ddee772403b" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentAssets_237ce26b-9809-4465-b500-5acc45f0aa54" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_IncreaseDecreaseOperatingLeaseRightOfUseAssets_fd5ca2cb-920f-4499-97c8-06aa159c557b" xlink:href="clvt-20220630.xsd#clvt_IncreaseDecreaseOperatingLeaseRightOfUseAssets"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_77370044-9874-44e0-a4ef-2ddee772403b" xlink:to="loc_clvt_IncreaseDecreaseOperatingLeaseRightOfUseAssets_fd5ca2cb-920f-4499-97c8-06aa159c557b" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAssetsHeldForSale_1658369a-53a1-4f2a-b3f9-284402713edb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInAssetsHeldForSale"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_77370044-9874-44e0-a4ef-2ddee772403b" xlink:to="loc_us-gaap_IncreaseDecreaseInAssetsHeldForSale_1658369a-53a1-4f2a-b3f9-284402713edb" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_abcf3b70-2de3-4504-880b-a88517d36012" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_77370044-9874-44e0-a4ef-2ddee772403b" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_abcf3b70-2de3-4504-880b-a88517d36012" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_CurrentAssetsReclassifiedToAssetsHeldForSaleNotPartOfDisposalGroupCurrent_34feb8bc-3d5c-4d14-a80a-e59df56ada2e" xlink:href="clvt-20220630.xsd#clvt_CurrentAssetsReclassifiedToAssetsHeldForSaleNotPartOfDisposalGroupCurrent"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_77370044-9874-44e0-a4ef-2ddee772403b" xlink:to="loc_clvt_CurrentAssetsReclassifiedToAssetsHeldForSaleNotPartOfDisposalGroupCurrent_34feb8bc-3d5c-4d14-a80a-e59df56ada2e" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_CurrentLiabilitiesReclassifiedToCurrentLiabilitiesHeldForSale_f37aa8df-465f-4d91-b0c8-2b0e5afb8b9d" xlink:href="clvt-20220630.xsd#clvt_CurrentLiabilitiesReclassifiedToCurrentLiabilitiesHeldForSale"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_77370044-9874-44e0-a4ef-2ddee772403b" xlink:to="loc_clvt_CurrentLiabilitiesReclassifiedToCurrentLiabilitiesHeldForSale_f37aa8df-465f-4d91-b0c8-2b0e5afb8b9d" xlink:type="arc" order="9"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_142081d3-50a4-4e3b-947d-da9b19eaa45d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_77370044-9874-44e0-a4ef-2ddee772403b" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_142081d3-50a4-4e3b-947d-da9b19eaa45d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_3bb4710e-e214-411b-9e5f-f7c6c947c908" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_142081d3-50a4-4e3b-947d-da9b19eaa45d" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_3bb4710e-e214-411b-9e5f-f7c6c947c908" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_3bb4710e-e214-411b-9e5f-f7c6c947c908_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_3bb4710e-e214-411b-9e5f-f7c6c947c908" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_3bb4710e-e214-411b-9e5f-f7c6c947c908_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_5224efb3-6483-4b03-81f9-2792a795fdb7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_3bb4710e-e214-411b-9e5f-f7c6c947c908" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_5224efb3-6483-4b03-81f9-2792a795fdb7" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_BrandProtectionAntiPiracyandAntiFraudsolutionsMember_5aabf330-0497-4cb3-8afe-4fa8cba1de68" xlink:href="clvt-20220630.xsd#clvt_BrandProtectionAntiPiracyandAntiFraudsolutionsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_5224efb3-6483-4b03-81f9-2792a795fdb7" xlink:to="loc_clvt_BrandProtectionAntiPiracyandAntiFraudsolutionsMember_5aabf330-0497-4cb3-8afe-4fa8cba1de68" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_TechstreetBusinessMember_938c6993-cb80-4c0f-872f-da896c531668" xlink:href="clvt-20220630.xsd#clvt_TechstreetBusinessMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_5224efb3-6483-4b03-81f9-2792a795fdb7" xlink:to="loc_clvt_TechstreetBusinessMember_938c6993-cb80-4c0f-872f-da896c531668" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationAxis_3123cfdd-f60c-40da-8c75-f799b59b781e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupClassificationAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_142081d3-50a4-4e3b-947d-da9b19eaa45d" xlink:to="loc_us-gaap_DisposalGroupClassificationAxis_3123cfdd-f60c-40da-8c75-f799b59b781e" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_3123cfdd-f60c-40da-8c75-f799b59b781e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupClassificationDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_3123cfdd-f60c-40da-8c75-f799b59b781e" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_3123cfdd-f60c-40da-8c75-f799b59b781e_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_1fa3feb5-6659-43bb-b752-e447b7141325" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupClassificationDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_3123cfdd-f60c-40da-8c75-f799b59b781e" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_1fa3feb5-6659-43bb-b752-e447b7141325" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationsDisposedOfBySaleMember_2ec5829c-ed26-4e2b-95ca-d0bdca46e74d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DiscontinuedOperationsDisposedOfBySaleMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupClassificationDomain_1fa3feb5-6659-43bb-b752-e447b7141325" xlink:to="loc_us-gaap_DiscontinuedOperationsDisposedOfBySaleMember_2ec5829c-ed26-4e2b-95ca-d0bdca46e74d" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_11a6f0ad-ab58-4fb8-b716-48cfa6bfafa9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementLocationAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_142081d3-50a4-4e3b-947d-da9b19eaa45d" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_11a6f0ad-ab58-4fb8-b716-48cfa6bfafa9" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_11a6f0ad-ab58-4fb8-b716-48cfa6bfafa9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementLocationDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_11a6f0ad-ab58-4fb8-b716-48cfa6bfafa9" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_11a6f0ad-ab58-4fb8-b716-48cfa6bfafa9_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_d9bb9111-bb7b-4446-a3ad-6a9ef95f657d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementLocationDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_11a6f0ad-ab58-4fb8-b716-48cfa6bfafa9" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_d9bb9111-bb7b-4446-a3ad-6a9ef95f657d" xlink:type="arc" order="1"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/LeasesNarrativeDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#LeasesNarrativeDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/LeasesNarrativeDetails" xlink:type="extended" id="i74fb68618cc540f5ac167244b1cee82c_LeasesNarrativeDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeaseDescriptionLineItems_33ef6dae-914e-468b-b254-1c0ed4bf260f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeLeaseDescriptionLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_LesseeFinanceLeaseNumberOfContracts_8f88908a-c0f8-4687-8d30-37ab238660fd" xlink:href="clvt-20220630.xsd#clvt_LesseeFinanceLeaseNumberOfContracts"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_33ef6dae-914e-468b-b254-1c0ed4bf260f" xlink:to="loc_clvt_LesseeFinanceLeaseNumberOfContracts_8f88908a-c0f8-4687-8d30-37ab238660fd" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseRenewalTerm_82a1cc40-3bf0-4a8c-a22f-dbe4454208f8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseRenewalTerm"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_33ef6dae-914e-468b-b254-1c0ed4bf260f" xlink:to="loc_us-gaap_LesseeOperatingLeaseRenewalTerm_82a1cc40-3bf0-4a8c-a22f-dbe4454208f8" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_da1f893c-254a-45e8-b1d1-56b8d55c3a9f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseLiability"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_33ef6dae-914e-468b-b254-1c0ed4bf260f" xlink:to="loc_us-gaap_OperatingLeaseLiability_da1f893c-254a-45e8-b1d1-56b8d55c3a9f" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubleaseIncome_d40d4a55-f68b-47b9-b9ad-ad795749e98e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubleaseIncome"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_33ef6dae-914e-468b-b254-1c0ed4bf260f" xlink:to="loc_us-gaap_SubleaseIncome_d40d4a55-f68b-47b9-b9ad-ad795749e98e" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseCost_23853765-99fb-4070-8c6f-ac47fd65581c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseCost"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_33ef6dae-914e-468b-b254-1c0ed4bf260f" xlink:to="loc_us-gaap_OperatingLeaseCost_23853765-99fb-4070-8c6f-ac47fd65581c" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeaseDescriptionTable_85b63f15-bbb7-4c9a-8aae-3db29ef5cc5f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeLeaseDescriptionTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_33ef6dae-914e-468b-b254-1c0ed4bf260f" xlink:to="loc_us-gaap_LesseeLeaseDescriptionTable_85b63f15-bbb7-4c9a-8aae-3db29ef5cc5f" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_f3bcf0c7-6f26-462a-85c3-6cb0a02b54e0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BalanceSheetLocationAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LesseeLeaseDescriptionTable_85b63f15-bbb7-4c9a-8aae-3db29ef5cc5f" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_f3bcf0c7-6f26-462a-85c3-6cb0a02b54e0" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_f3bcf0c7-6f26-462a-85c3-6cb0a02b54e0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BalanceSheetLocationDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_f3bcf0c7-6f26-462a-85c3-6cb0a02b54e0" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_f3bcf0c7-6f26-462a-85c3-6cb0a02b54e0_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_3b23b191-8279-4691-b237-4b7581d075eb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BalanceSheetLocationDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_f3bcf0c7-6f26-462a-85c3-6cb0a02b54e0" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_3b23b191-8279-4691-b237-4b7581d075eb" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncurrentLiabilitiesMember_506ce5dd-c8bb-42c8-8c0d-9b3bc00eb8fd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherNoncurrentLiabilitiesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_3b23b191-8279-4691-b237-4b7581d075eb" xlink:to="loc_us-gaap_OtherNoncurrentLiabilitiesMember_506ce5dd-c8bb-42c8-8c0d-9b3bc00eb8fd" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_573145e2-196f-47af-8fbf-5a2807dec268" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LesseeLeaseDescriptionTable_85b63f15-bbb7-4c9a-8aae-3db29ef5cc5f" xlink:to="loc_srt_RangeAxis_573145e2-196f-47af-8fbf-5a2807dec268" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_573145e2-196f-47af-8fbf-5a2807dec268_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_573145e2-196f-47af-8fbf-5a2807dec268" xlink:to="loc_srt_RangeMember_573145e2-196f-47af-8fbf-5a2807dec268_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_cf7413c8-28ff-4a73-a500-ba0c6124aaae" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_573145e2-196f-47af-8fbf-5a2807dec268" xlink:to="loc_srt_RangeMember_cf7413c8-28ff-4a73-a500-ba0c6124aaae" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_b1aec29c-b76f-459e-9cbd-414791ff5a75" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_cf7413c8-28ff-4a73-a500-ba0c6124aaae" xlink:to="loc_srt_MaximumMember_b1aec29c-b76f-459e-9cbd-414791ff5a75" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/PropertyandEquipmentNetDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#PropertyandEquipmentNetDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/PropertyandEquipmentNetDetails" xlink:type="extended" id="ie3763436d4f14f20bbd59cb81f6bd357_PropertyandEquipmentNetDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_4fc8d238-8a33-4de0-8515-ef7be9dd07c7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_2a6fc918-7b9d-40a0-8754-1c4e77597834" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_4fc8d238-8a33-4de0-8515-ef7be9dd07c7" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_2a6fc918-7b9d-40a0-8754-1c4e77597834" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_b20733d8-a323-4bb2-b64b-e1bbc2b9388e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_4fc8d238-8a33-4de0-8515-ef7be9dd07c7" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_b20733d8-a323-4bb2-b64b-e1bbc2b9388e" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_3bdf7a10-28d6-4d16-a904-97c1863d43ce" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_4fc8d238-8a33-4de0-8515-ef7be9dd07c7" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_3bdf7a10-28d6-4d16-a904-97c1863d43ce" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_e4dda4fd-48e2-4eb7-a00f-6df32d77bf70" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_4fc8d238-8a33-4de0-8515-ef7be9dd07c7" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_e4dda4fd-48e2-4eb7-a00f-6df32d77bf70" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_3a40263b-f2a7-4108-9f5f-80233958d0e7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_4fc8d238-8a33-4de0-8515-ef7be9dd07c7" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_3a40263b-f2a7-4108-9f5f-80233958d0e7" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Depreciation_b6cfa6db-1068-48a9-bd66-c2cd66bb5143" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Depreciation"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_4fc8d238-8a33-4de0-8515-ef7be9dd07c7" xlink:to="loc_us-gaap_Depreciation_b6cfa6db-1068-48a9-bd66-c2cd66bb5143" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfLeasehold_67497e68-7a08-4560-94f0-e996f70168e6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ImpairmentOfLeasehold"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_4fc8d238-8a33-4de0-8515-ef7be9dd07c7" xlink:to="loc_us-gaap_ImpairmentOfLeasehold_67497e68-7a08-4560-94f0-e996f70168e6" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_194f7cee-3a97-43c4-a37b-c84ddb6d82d6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_4fc8d238-8a33-4de0-8515-ef7be9dd07c7" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_194f7cee-3a97-43c4-a37b-c84ddb6d82d6" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_fc34a0b0-1bc8-490c-98d3-3ae0835ff5e8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_194f7cee-3a97-43c4-a37b-c84ddb6d82d6" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_fc34a0b0-1bc8-490c-98d3-3ae0835ff5e8" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_fc34a0b0-1bc8-490c-98d3-3ae0835ff5e8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_fc34a0b0-1bc8-490c-98d3-3ae0835ff5e8" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_fc34a0b0-1bc8-490c-98d3-3ae0835ff5e8_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_f3d58314-241e-4f1d-a418-8f05c0c773dd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_fc34a0b0-1bc8-490c-98d3-3ae0835ff5e8" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_f3d58314-241e-4f1d-a418-8f05c0c773dd" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ComputerHardwareMember_27b43645-df7b-4e5a-891b-087cbb6d6620" xlink:href="clvt-20220630.xsd#clvt_ComputerHardwareMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_f3d58314-241e-4f1d-a418-8f05c0c773dd" xlink:to="loc_clvt_ComputerHardwareMember_27b43645-df7b-4e5a-891b-087cbb6d6620" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseholdImprovementsMember_f3bc8eda-b40b-4468-a9ba-1309a554764a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeaseholdImprovementsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_f3d58314-241e-4f1d-a418-8f05c0c773dd" xlink:to="loc_us-gaap_LeaseholdImprovementsMember_f3bc8eda-b40b-4468-a9ba-1309a554764a" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_FurnitureFixturesAndEquipmentMember_16f8e30c-3d85-4598-9147-9937205fdfe8" xlink:href="clvt-20220630.xsd#clvt_FurnitureFixturesAndEquipmentMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_f3d58314-241e-4f1d-a418-8f05c0c773dd" xlink:to="loc_clvt_FurnitureFixturesAndEquipmentMember_16f8e30c-3d85-4598-9147-9937205fdfe8" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentOtherTypesMember_9387483e-0f75-43e4-bab4-8450eecefe5a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentOtherTypesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_f3d58314-241e-4f1d-a418-8f05c0c773dd" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentOtherTypesMember_9387483e-0f75-43e4-bab4-8450eecefe5a" xlink:type="arc" order="3"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/OtherIntangibleAssetsnetandGoodwillIntangibleAssetsbyMajorClassDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#OtherIntangibleAssetsnetandGoodwillIntangibleAssetsbyMajorClassDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/OtherIntangibleAssetsnetandGoodwillIntangibleAssetsbyMajorClassDetails" xlink:type="extended" id="if1c69d421d164e0088e3968a155570ce_OtherIntangibleAssetsnetandGoodwillIntangibleAssetsbyMajorClassDetails">
<link:loc xlink:type="locator" xlink:label="loc_clvt_GoodwillAndIntangibleAssetsLineItems_7290920d-816d-40a9-98da-e95448c20708" xlink:href="clvt-20220630.xsd#clvt_GoodwillAndIntangibleAssetsLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_14428944-2182-4a72-b6af-b355e93a7fad" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_GoodwillAndIntangibleAssetsLineItems_7290920d-816d-40a9-98da-e95448c20708" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_14428944-2182-4a72-b6af-b355e93a7fad" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_de7f6e2c-b41d-45bc-870e-f4cb045b173b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_GoodwillAndIntangibleAssetsLineItems_7290920d-816d-40a9-98da-e95448c20708" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_de7f6e2c-b41d-45bc-870e-f4cb045b173b" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_03194cca-a515-404f-8672-e79c01ef7106" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_GoodwillAndIntangibleAssetsLineItems_7290920d-816d-40a9-98da-e95448c20708" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_03194cca-a515-404f-8672-e79c01ef7106" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_c920731b-790f-4bf0-9def-169b5daa39ac" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_GoodwillAndIntangibleAssetsLineItems_7290920d-816d-40a9-98da-e95448c20708" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_c920731b-790f-4bf0-9def-169b5daa39ac" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_c47e040b-875a-4997-b66d-aa5d82b59c95" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IntangibleAssetsGrossExcludingGoodwill"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_GoodwillAndIntangibleAssetsLineItems_7290920d-816d-40a9-98da-e95448c20708" xlink:to="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_c47e040b-875a-4997-b66d-aa5d82b59c95" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_319d3596-f7e1-4583-a68a-9f712e628e9a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_GoodwillAndIntangibleAssetsLineItems_7290920d-816d-40a9-98da-e95448c20708" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_319d3596-f7e1-4583-a68a-9f712e628e9a" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ScheduleOfGoodwillAndIntangibleAssetsDisclosureTable_282e7d81-20a4-4902-948a-65c282439cb4" xlink:href="clvt-20220630.xsd#clvt_ScheduleOfGoodwillAndIntangibleAssetsDisclosureTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_clvt_GoodwillAndIntangibleAssetsLineItems_7290920d-816d-40a9-98da-e95448c20708" xlink:to="loc_clvt_ScheduleOfGoodwillAndIntangibleAssetsDisclosureTable_282e7d81-20a4-4902-948a-65c282439cb4" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_1b4b530c-b3c2-4b4c-9713-73469c8950fe" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_clvt_ScheduleOfGoodwillAndIntangibleAssetsDisclosureTable_282e7d81-20a4-4902-948a-65c282439cb4" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_1b4b530c-b3c2-4b4c-9713-73469c8950fe" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1b4b530c-b3c2-4b4c-9713-73469c8950fe_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_1b4b530c-b3c2-4b4c-9713-73469c8950fe" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1b4b530c-b3c2-4b4c-9713-73469c8950fe_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_ced9e1b9-714b-44d3-963a-4f033c9cdc35" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_1b4b530c-b3c2-4b4c-9713-73469c8950fe" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_ced9e1b9-714b-44d3-963a-4f033c9cdc35" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_34a98590-8119-48db-a0f9-53c2e23c858f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CustomerRelationshipsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_ced9e1b9-714b-44d3-963a-4f033c9cdc35" xlink:to="loc_us-gaap_CustomerRelationshipsMember_34a98590-8119-48db-a0f9-53c2e23c858f" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DatabasesAndContentMember_1192fc3d-098c-4733-ac26-7024b291a1a3" xlink:href="clvt-20220630.xsd#clvt_DatabasesAndContentMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_ced9e1b9-714b-44d3-963a-4f033c9cdc35" xlink:to="loc_clvt_DatabasesAndContentMember_1192fc3d-098c-4733-ac26-7024b291a1a3" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComputerSoftwareIntangibleAssetMember_eeac5a86-3686-4ab7-b567-9cf83533fa86" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ComputerSoftwareIntangibleAssetMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_ced9e1b9-714b-44d3-963a-4f033c9cdc35" xlink:to="loc_us-gaap_ComputerSoftwareIntangibleAssetMember_eeac5a86-3686-4ab7-b567-9cf83533fa86" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TradeNamesMember_e430b8e2-ecd0-4a4f-ba75-bf8acf0e7394" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TradeNamesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_ced9e1b9-714b-44d3-963a-4f033c9cdc35" xlink:to="loc_us-gaap_TradeNamesMember_e430b8e2-ecd0-4a4f-ba75-bf8acf0e7394" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OrderOrProductionBacklogMember_4cfa25ad-43e0-4ccf-9fe6-e7e58e698424" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OrderOrProductionBacklogMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_ced9e1b9-714b-44d3-963a-4f033c9cdc35" xlink:to="loc_us-gaap_OrderOrProductionBacklogMember_4cfa25ad-43e0-4ccf-9fe6-e7e58e698424" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_62236073-dc0f-44a8-b9f6-939ece0512b2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_clvt_ScheduleOfGoodwillAndIntangibleAssetsDisclosureTable_282e7d81-20a4-4902-948a-65c282439cb4" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_62236073-dc0f-44a8-b9f6-939ece0512b2" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_62236073-dc0f-44a8-b9f6-939ece0512b2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_62236073-dc0f-44a8-b9f6-939ece0512b2" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_62236073-dc0f-44a8-b9f6-939ece0512b2_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_0106fa34-be46-4012-9b55-38c703913038" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_62236073-dc0f-44a8-b9f6-939ece0512b2" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_0106fa34-be46-4012-9b55-38c703913038" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TradeNamesMember_b5ba246d-29e5-46ae-82ed-f3cea09799ad" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TradeNamesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_0106fa34-be46-4012-9b55-38c703913038" xlink:to="loc_us-gaap_TradeNamesMember_b5ba246d-29e5-46ae-82ed-f3cea09799ad" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/OtherIntangibleAssetsnetandGoodwillOtherIntangiblesNarrativeDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#OtherIntangibleAssetsnetandGoodwillOtherIntangiblesNarrativeDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/OtherIntangibleAssetsnetandGoodwillOtherIntangiblesNarrativeDetails" xlink:type="extended" id="ifdcf47443e9f40dfb421c51e12e8ad85_OtherIntangibleAssetsnetandGoodwillOtherIntangiblesNarrativeDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillLineItems_7886ca2c-efda-4247-ae53-6c74196c9ed6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_10a2fc56-0845-47b2-a546-a615bb08294e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_7886ca2c-efda-4247-ae53-6c74196c9ed6" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_10a2fc56-0845-47b2-a546-a615bb08294e" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_224beb23-c9cb-4aad-ab70-7b3a6f4e6404" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_7886ca2c-efda-4247-ae53-6c74196c9ed6" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_224beb23-c9cb-4aad-ab70-7b3a6f4e6404" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DisposalGroupIncludingDiscontinuedOperationConsiderationHeldInEscrow_beb74182-1897-4a0b-baa3-4cf1d36ca1c3" xlink:href="clvt-20220630.xsd#clvt_DisposalGroupIncludingDiscontinuedOperationConsiderationHeldInEscrow"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_7886ca2c-efda-4247-ae53-6c74196c9ed6" xlink:to="loc_clvt_DisposalGroupIncludingDiscontinuedOperationConsiderationHeldInEscrow_beb74182-1897-4a0b-baa3-4cf1d36ca1c3" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_b3f9def2-ebcb-4eae-915c-b41e52bbbf39" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_7886ca2c-efda-4247-ae53-6c74196c9ed6" xlink:to="loc_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_b3f9def2-ebcb-4eae-915c-b41e52bbbf39" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DisposalGroupIncludingDiscontinuedOperationTransactionCosts_2204611f-2128-482f-9c54-a0ae09d50324" xlink:href="clvt-20220630.xsd#clvt_DisposalGroupIncludingDiscontinuedOperationTransactionCosts"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_7886ca2c-efda-4247-ae53-6c74196c9ed6" xlink:to="loc_clvt_DisposalGroupIncludingDiscontinuedOperationTransactionCosts_2204611f-2128-482f-9c54-a0ae09d50324" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_IntangibleAssetsWrittenOffRelatedToSaleOfBusinessUnit_36c69fc2-585f-4f83-adb6-b6d698b14690" xlink:href="clvt-20220630.xsd#clvt_IntangibleAssetsWrittenOffRelatedToSaleOfBusinessUnit"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_7886ca2c-efda-4247-ae53-6c74196c9ed6" xlink:to="loc_clvt_IntangibleAssetsWrittenOffRelatedToSaleOfBusinessUnit_36c69fc2-585f-4f83-adb6-b6d698b14690" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentCharges_d1f7d5d4-d2fb-4e76-aac5-64f98744936a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetImpairmentCharges"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_7886ca2c-efda-4247-ae53-6c74196c9ed6" xlink:to="loc_us-gaap_AssetImpairmentCharges_d1f7d5d4-d2fb-4e76-aac5-64f98744936a" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill_b436ec10-1f23-4544-bb46-ef4f06492e37" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_7886ca2c-efda-4247-ae53-6c74196c9ed6" xlink:to="loc_us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill_b436ec10-1f23-4544-bb46-ef4f06492e37" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionConsiderationTransferred_f0c77f65-7b3e-4287-9c6f-006aeaf0b466" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetAcquisitionConsiderationTransferred"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_7886ca2c-efda-4247-ae53-6c74196c9ed6" xlink:to="loc_us-gaap_AssetAcquisitionConsiderationTransferred_f0c77f65-7b3e-4287-9c6f-006aeaf0b466" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsPeriodIncreaseDecrease_c6fe502f-bd74-4c22-8087-87b8a6d9e397" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsPeriodIncreaseDecrease"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_7886ca2c-efda-4247-ae53-6c74196c9ed6" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsPeriodIncreaseDecrease_c6fe502f-bd74-4c22-8087-87b8a6d9e397" xlink:type="arc" order="9"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_88e6b459-7682-471f-a511-eb7ebf5f3b6a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_7886ca2c-efda-4247-ae53-6c74196c9ed6" xlink:to="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_88e6b459-7682-471f-a511-eb7ebf5f3b6a" xlink:type="arc" order="10"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfGoodwillTable_f98b8d2f-dbd8-4c5c-9e7a-bb141e8afa62" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfGoodwillTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_GoodwillLineItems_7886ca2c-efda-4247-ae53-6c74196c9ed6" xlink:to="loc_us-gaap_ScheduleOfGoodwillTable_f98b8d2f-dbd8-4c5c-9e7a-bb141e8afa62" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_0f4bd0b7-306a-4a6d-af98-09b76692130d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_f98b8d2f-dbd8-4c5c-9e7a-bb141e8afa62" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_0f4bd0b7-306a-4a6d-af98-09b76692130d" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_0f4bd0b7-306a-4a6d-af98-09b76692130d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_0f4bd0b7-306a-4a6d-af98-09b76692130d" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_0f4bd0b7-306a-4a6d-af98-09b76692130d_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_2513cf5b-832b-425b-9322-dffbaa98962c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_0f4bd0b7-306a-4a6d-af98-09b76692130d" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_2513cf5b-832b-425b-9322-dffbaa98962c" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TradeNamesMember_73fedd7f-4393-4a23-9f5f-d398c0e2b24e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TradeNamesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_2513cf5b-832b-425b-9322-dffbaa98962c" xlink:to="loc_us-gaap_TradeNamesMember_73fedd7f-4393-4a23-9f5f-d398c0e2b24e" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_5764b934-a7e5-4fe6-b970-aff970eef35d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_f98b8d2f-dbd8-4c5c-9e7a-bb141e8afa62" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_5764b934-a7e5-4fe6-b970-aff970eef35d" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_5764b934-a7e5-4fe6-b970-aff970eef35d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_5764b934-a7e5-4fe6-b970-aff970eef35d" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_5764b934-a7e5-4fe6-b970-aff970eef35d_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_d99984d2-ecfc-4d70-9138-2597cb3e0add" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_5764b934-a7e5-4fe6-b970-aff970eef35d" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_d99984d2-ecfc-4d70-9138-2597cb3e0add" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_bbc4abca-7b1f-4f58-a36a-a8c6370e6bde" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CustomerRelationshipsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_d99984d2-ecfc-4d70-9138-2597cb3e0add" xlink:to="loc_us-gaap_CustomerRelationshipsMember_bbc4abca-7b1f-4f58-a36a-a8c6370e6bde" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComputerSoftwareIntangibleAssetMember_9f896856-28ad-4e52-bcf0-28a50ac03dac" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ComputerSoftwareIntangibleAssetMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_d99984d2-ecfc-4d70-9138-2597cb3e0add" xlink:to="loc_us-gaap_ComputerSoftwareIntangibleAssetMember_9f896856-28ad-4e52-bcf0-28a50ac03dac" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DatabasesAndContentMember_23eb1c16-6df7-48ce-81aa-7172e4b50456" xlink:href="clvt-20220630.xsd#clvt_DatabasesAndContentMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_d99984d2-ecfc-4d70-9138-2597cb3e0add" xlink:to="loc_clvt_DatabasesAndContentMember_23eb1c16-6df7-48ce-81aa-7172e4b50456" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TradeNamesMember_d19cc411-f9fb-41a6-9f58-b1c875271a4b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TradeNamesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_d99984d2-ecfc-4d70-9138-2597cb3e0add" xlink:to="loc_us-gaap_TradeNamesMember_d19cc411-f9fb-41a6-9f58-b1c875271a4b" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DatabasesMember_b3d7c909-ac5d-4815-ae8e-be79e007e57c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DatabasesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_d99984d2-ecfc-4d70-9138-2597cb3e0add" xlink:to="loc_us-gaap_DatabasesMember_b3d7c909-ac5d-4815-ae8e-be79e007e57c" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationAxis_3f3560c4-421d-4924-8c14-27c7f7fa5045" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupClassificationAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_f98b8d2f-dbd8-4c5c-9e7a-bb141e8afa62" xlink:to="loc_us-gaap_DisposalGroupClassificationAxis_3f3560c4-421d-4924-8c14-27c7f7fa5045" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_3f3560c4-421d-4924-8c14-27c7f7fa5045_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupClassificationDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_3f3560c4-421d-4924-8c14-27c7f7fa5045" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_3f3560c4-421d-4924-8c14-27c7f7fa5045_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_1ffe89d8-edd0-47f7-a739-f789f75c7d2b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupClassificationDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_3f3560c4-421d-4924-8c14-27c7f7fa5045" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_1ffe89d8-edd0-47f7-a739-f789f75c7d2b" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationsDisposedOfBySaleMember_1722ef50-cc62-45af-b1cf-b412b0758a17" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DiscontinuedOperationsDisposedOfBySaleMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupClassificationDomain_1ffe89d8-edd0-47f7-a739-f789f75c7d2b" xlink:to="loc_us-gaap_DiscontinuedOperationsDisposedOfBySaleMember_1722ef50-cc62-45af-b1cf-b412b0758a17" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_ce448cab-59f7-4d99-8640-717ec434e2d6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_f98b8d2f-dbd8-4c5c-9e7a-bb141e8afa62" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_ce448cab-59f7-4d99-8640-717ec434e2d6" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_ce448cab-59f7-4d99-8640-717ec434e2d6_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_ce448cab-59f7-4d99-8640-717ec434e2d6" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_ce448cab-59f7-4d99-8640-717ec434e2d6_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_b79e01a1-d598-45de-ade0-16fe4a16cb2c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_ce448cab-59f7-4d99-8640-717ec434e2d6" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_b79e01a1-d598-45de-ade0-16fe4a16cb2c" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_BrandProtectionAntiPiracyandAntiFraudsolutionsMember_ff299e27-fdfa-4cba-a107-0475e2f83a6e" xlink:href="clvt-20220630.xsd#clvt_BrandProtectionAntiPiracyandAntiFraudsolutionsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_b79e01a1-d598-45de-ade0-16fe4a16cb2c" xlink:to="loc_clvt_BrandProtectionAntiPiracyandAntiFraudsolutionsMember_ff299e27-fdfa-4cba-a107-0475e2f83a6e" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_TechstreetBusinessMember_22eef372-dd90-41f5-8e00-3e83d66141b2" xlink:href="clvt-20220630.xsd#clvt_TechstreetBusinessMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_b79e01a1-d598-45de-ade0-16fe4a16cb2c" xlink:to="loc_clvt_TechstreetBusinessMember_22eef372-dd90-41f5-8e00-3e83d66141b2" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionAxis_18762ceb-ebfa-4ab2-9b7c-73fd069740ff" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetAcquisitionAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_f98b8d2f-dbd8-4c5c-9e7a-bb141e8afa62" xlink:to="loc_us-gaap_AssetAcquisitionAxis_18762ceb-ebfa-4ab2-9b7c-73fd069740ff" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_18762ceb-ebfa-4ab2-9b7c-73fd069740ff_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetAcquisitionDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AssetAcquisitionAxis_18762ceb-ebfa-4ab2-9b7c-73fd069740ff" xlink:to="loc_us-gaap_AssetAcquisitionDomain_18762ceb-ebfa-4ab2-9b7c-73fd069740ff_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_f662f68c-15c8-4e6e-9f97-a83b0df390c4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetAcquisitionDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AssetAcquisitionAxis_18762ceb-ebfa-4ab2-9b7c-73fd069740ff" xlink:to="loc_us-gaap_AssetAcquisitionDomain_f662f68c-15c8-4e6e-9f97-a83b0df390c4" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_CustomerFirstNowMember_f0850a9b-70d0-479e-86c5-7268f20a68f9" xlink:href="clvt-20220630.xsd#clvt_CustomerFirstNowMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_f662f68c-15c8-4e6e-9f97-a83b0df390c4" xlink:to="loc_clvt_CustomerFirstNowMember_f0850a9b-70d0-479e-86c5-7268f20a68f9" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_2d8d7dd1-3be5-4e80-8486-a8717d10c53a" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_f98b8d2f-dbd8-4c5c-9e7a-bb141e8afa62" xlink:to="loc_srt_RangeAxis_2d8d7dd1-3be5-4e80-8486-a8717d10c53a" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_2d8d7dd1-3be5-4e80-8486-a8717d10c53a_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_2d8d7dd1-3be5-4e80-8486-a8717d10c53a" xlink:to="loc_srt_RangeMember_2d8d7dd1-3be5-4e80-8486-a8717d10c53a_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_4a798958-871b-4516-8768-328c3118399c" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_2d8d7dd1-3be5-4e80-8486-a8717d10c53a" xlink:to="loc_srt_RangeMember_4a798958-871b-4516-8768-328c3118399c" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_3b352278-04aa-4fc5-9beb-2ab3c18ecb47" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MinimumMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_4a798958-871b-4516-8768-328c3118399c" xlink:to="loc_srt_MinimumMember_3b352278-04aa-4fc5-9beb-2ab3c18ecb47" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_3ca6dc09-3ba8-4f3d-adb3-75794ffe29a8" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_4a798958-871b-4516-8768-328c3118399c" xlink:to="loc_srt_MaximumMember_3ca6dc09-3ba8-4f3d-adb3-75794ffe29a8" xlink:type="arc" order="1"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/OtherIntangibleAssetsnetandGoodwillChangeintheCarryingAmountofGoodwillDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#OtherIntangibleAssetsnetandGoodwillChangeintheCarryingAmountofGoodwillDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/OtherIntangibleAssetsnetandGoodwillChangeintheCarryingAmountofGoodwillDetails" xlink:type="extended" id="ib09d8428ec6042bdb19bd2f612bf5c50_OtherIntangibleAssetsnetandGoodwillChangeintheCarryingAmountofGoodwillDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillLineItems_174f77e1-0d9c-4ae3-b824-f6e532bccd60" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_9b0441f8-73ca-4ffb-8724-e064d94cff7e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Goodwill"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_174f77e1-0d9c-4ae3-b824-f6e532bccd60" xlink:to="loc_us-gaap_Goodwill_9b0441f8-73ca-4ffb-8724-e064d94cff7e" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillAcquiredDuringPeriod_d5844acf-a702-4347-8636-0a2a2cc995b0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillAcquiredDuringPeriod"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_174f77e1-0d9c-4ae3-b824-f6e532bccd60" xlink:to="loc_us-gaap_GoodwillAcquiredDuringPeriod_d5844acf-a702-4347-8636-0a2a2cc995b0" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillPurchaseAccountingAdjustments_295cad54-5dc7-491f-ade8-2685de11da23" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillPurchaseAccountingAdjustments"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_174f77e1-0d9c-4ae3-b824-f6e532bccd60" xlink:to="loc_us-gaap_GoodwillPurchaseAccountingAdjustments_295cad54-5dc7-491f-ade8-2685de11da23" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit_b4c0936a-b2af-4f51-88c8-fef332bedce6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_174f77e1-0d9c-4ae3-b824-f6e532bccd60" xlink:to="loc_us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit_b4c0936a-b2af-4f51-88c8-fef332bedce6" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_6aa808f9-4fa2-413e-a9b0-cbef8f9fe93d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillForeignCurrencyTranslationGainLoss"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_174f77e1-0d9c-4ae3-b824-f6e532bccd60" xlink:to="loc_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_6aa808f9-4fa2-413e-a9b0-cbef8f9fe93d" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_87827ee5-a25e-42e2-9e55-ba576473db6a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Goodwill"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfGoodwillTable_a189b26b-cee9-4f6a-82e0-88d4865f3ba8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfGoodwillTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_GoodwillLineItems_174f77e1-0d9c-4ae3-b824-f6e532bccd60" xlink:to="loc_us-gaap_ScheduleOfGoodwillTable_a189b26b-cee9-4f6a-82e0-88d4865f3ba8" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_4999bd72-1a0c-4f53-99d1-8919ef3df7ff" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_a189b26b-cee9-4f6a-82e0-88d4865f3ba8" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_4999bd72-1a0c-4f53-99d1-8919ef3df7ff" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_4999bd72-1a0c-4f53-99d1-8919ef3df7ff_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_4999bd72-1a0c-4f53-99d1-8919ef3df7ff" xlink:to="loc_us-gaap_SegmentDomain_4999bd72-1a0c-4f53-99d1-8919ef3df7ff_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_de63ef8f-1062-432e-a766-5497b27e4dd7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_4999bd72-1a0c-4f53-99d1-8919ef3df7ff" xlink:to="loc_us-gaap_SegmentDomain_de63ef8f-1062-432e-a766-5497b27e4dd7" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ScienceGroupMember_e3c02e7a-9f9d-49e7-bbc1-7b78a493fa45" xlink:href="clvt-20220630.xsd#clvt_ScienceGroupMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_de63ef8f-1062-432e-a766-5497b27e4dd7" xlink:to="loc_clvt_ScienceGroupMember_e3c02e7a-9f9d-49e7-bbc1-7b78a493fa45" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_IntellectualPropertyGroupMember_39f1feb8-2788-4784-ba37-73cb8ace8878" xlink:href="clvt-20220630.xsd#clvt_IntellectualPropertyGroupMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_de63ef8f-1062-432e-a766-5497b27e4dd7" xlink:to="loc_clvt_IntellectualPropertyGroupMember_39f1feb8-2788-4784-ba37-73cb8ace8878" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationAxis_09d39fed-4d8a-4479-b0d5-57e27871d45f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupClassificationAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_a189b26b-cee9-4f6a-82e0-88d4865f3ba8" xlink:to="loc_us-gaap_DisposalGroupClassificationAxis_09d39fed-4d8a-4479-b0d5-57e27871d45f" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_09d39fed-4d8a-4479-b0d5-57e27871d45f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupClassificationDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_09d39fed-4d8a-4479-b0d5-57e27871d45f" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_09d39fed-4d8a-4479-b0d5-57e27871d45f_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_265cc9e2-45f4-4702-846d-62a4b3cd50d0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupClassificationDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_09d39fed-4d8a-4479-b0d5-57e27871d45f" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_265cc9e2-45f4-4702-846d-62a4b3cd50d0" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationsDisposedOfBySaleMember_51b8f97f-ac94-42c9-a609-82d797da86df" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DiscontinuedOperationsDisposedOfBySaleMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupClassificationDomain_265cc9e2-45f4-4702-846d-62a4b3cd50d0" xlink:to="loc_us-gaap_DiscontinuedOperationsDisposedOfBySaleMember_51b8f97f-ac94-42c9-a609-82d797da86df" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_d5dc45ae-7ce9-4f38-b570-aee6eef5eca0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_a189b26b-cee9-4f6a-82e0-88d4865f3ba8" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_d5dc45ae-7ce9-4f38-b570-aee6eef5eca0" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_d5dc45ae-7ce9-4f38-b570-aee6eef5eca0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_d5dc45ae-7ce9-4f38-b570-aee6eef5eca0" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_d5dc45ae-7ce9-4f38-b570-aee6eef5eca0_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_2de69f5b-1ecb-410a-b8b1-aafa4e879951" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_d5dc45ae-7ce9-4f38-b570-aee6eef5eca0" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_2de69f5b-1ecb-410a-b8b1-aafa4e879951" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_BrandProtectionAntiPiracyandAntiFraudsolutionsMember_bd174fea-f6c1-4d4e-aefd-00cca187ef0e" xlink:href="clvt-20220630.xsd#clvt_BrandProtectionAntiPiracyandAntiFraudsolutionsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_2de69f5b-1ecb-410a-b8b1-aafa4e879951" xlink:to="loc_clvt_BrandProtectionAntiPiracyandAntiFraudsolutionsMember_bd174fea-f6c1-4d4e-aefd-00cca187ef0e" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_TechstreetBusinessMember_75af7e33-9c2d-4732-a858-d0712c2c8547" xlink:href="clvt-20220630.xsd#clvt_TechstreetBusinessMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_2de69f5b-1ecb-410a-b8b1-aafa4e879951" xlink:to="loc_clvt_TechstreetBusinessMember_75af7e33-9c2d-4732-a858-d0712c2c8547" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_3129eedb-6943-4ae8-8ab1-b96646998ba5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_a189b26b-cee9-4f6a-82e0-88d4865f3ba8" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_3129eedb-6943-4ae8-8ab1-b96646998ba5" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_3129eedb-6943-4ae8-8ab1-b96646998ba5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_3129eedb-6943-4ae8-8ab1-b96646998ba5" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_3129eedb-6943-4ae8-8ab1-b96646998ba5_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_5109f3de-00dd-45e7-b15e-3f313d279855" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_3129eedb-6943-4ae8-8ab1-b96646998ba5" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_5109f3de-00dd-45e7-b15e-3f313d279855" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_CPAGlobalMember_bb61f447-8cbc-45be-ac0f-2a420cc790c8" xlink:href="clvt-20220630.xsd#clvt_CPAGlobalMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_5109f3de-00dd-45e7-b15e-3f313d279855" xlink:to="loc_clvt_CPAGlobalMember_bb61f447-8cbc-45be-ac0f-2a420cc790c8" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_BeijingIncoPatTechnologyCoLtdMember_71171c1f-aed2-4e93-bfc9-e8b16d416904" xlink:href="clvt-20220630.xsd#clvt_BeijingIncoPatTechnologyCoLtdMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_5109f3de-00dd-45e7-b15e-3f313d279855" xlink:to="loc_clvt_BeijingIncoPatTechnologyCoLtdMember_71171c1f-aed2-4e93-bfc9-e8b16d416904" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ProQuestMember_5473dcd4-f532-42f4-acf0-68b6879223e3" xlink:href="clvt-20220630.xsd#clvt_ProQuestMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_5109f3de-00dd-45e7-b15e-3f313d279855" xlink:to="loc_clvt_ProQuestMember_5473dcd4-f532-42f4-acf0-68b6879223e3" xlink:type="arc" order="2"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/DerivativeInstrumentsDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#DerivativeInstrumentsDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/DerivativeInstrumentsDetails" xlink:type="extended" id="i43cb0e83aa3348cface4e7d1eea5e1a4_DerivativeInstrumentsDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_0e3ba40c-d57d-47c3-af7b-73dcb55f0ee4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAmountOfHedgedItem_3ae5979c-a8a6-4d91-b33d-75c9afe76e31" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeAmountOfHedgedItem"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_0e3ba40c-d57d-47c3-af7b-73dcb55f0ee4" xlink:to="loc_us-gaap_DerivativeAmountOfHedgedItem_3ae5979c-a8a6-4d91-b33d-75c9afe76e31" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_0a9fe18c-cf6b-43cc-9224-4285923b1b9d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeAssets"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_0e3ba40c-d57d-47c3-af7b-73dcb55f0ee4" xlink:to="loc_us-gaap_DerivativeAssets_0a9fe18c-cf6b-43cc-9224-4285923b1b9d" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_9dd06010-8121-4cb2-8590-14f11cbbaf34" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeLiabilities"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_0e3ba40c-d57d-47c3-af7b-73dcb55f0ee4" xlink:to="loc_us-gaap_DerivativeLiabilities_9dd06010-8121-4cb2-8590-14f11cbbaf34" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeTermOfContract_7af05027-faf4-4bd7-b4f4-a7ffe65849c1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeTermOfContract"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_0e3ba40c-d57d-47c3-af7b-73dcb55f0ee4" xlink:to="loc_us-gaap_DerivativeTermOfContract_7af05027-faf4-4bd7-b4f4-a7ffe65849c1" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeGainLossOnDerivativeNet_c2fdbb3d-da6e-4b3f-baeb-a9a1d201e85d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeGainLossOnDerivativeNet"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_0e3ba40c-d57d-47c3-af7b-73dcb55f0ee4" xlink:to="loc_us-gaap_DerivativeGainLossOnDerivativeNet_c2fdbb3d-da6e-4b3f-baeb-a9a1d201e85d" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNotionalAmount_cc26119b-1513-4d32-be3c-cf07fb521bfd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeNotionalAmount"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_0e3ba40c-d57d-47c3-af7b-73dcb55f0ee4" xlink:to="loc_us-gaap_DerivativeNotionalAmount_cc26119b-1513-4d32-be3c-cf07fb521bfd" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeBasisSpreadOnVariableRate_cf7d77d3-bc31-48d4-bb61-041726f58b0e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeBasisSpreadOnVariableRate"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_0e3ba40c-d57d-47c3-af7b-73dcb55f0ee4" xlink:to="loc_us-gaap_DerivativeBasisSpreadOnVariableRate_cf7d77d3-bc31-48d4-bb61-041726f58b0e" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFixedInterestRate_600b72cc-ffe0-427a-8285-6113efd126fe" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeFixedInterestRate"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_0e3ba40c-d57d-47c3-af7b-73dcb55f0ee4" xlink:to="loc_us-gaap_DerivativeFixedInterestRate_600b72cc-ffe0-427a-8285-6113efd126fe" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_8fce03a7-2f1a-4303-90c1-92c3001ad28b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_0e3ba40c-d57d-47c3-af7b-73dcb55f0ee4" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_8fce03a7-2f1a-4303-90c1-92c3001ad28b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_707a5f76-5220-48a5-9007-36e44593cd9e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_8fce03a7-2f1a-4303-90c1-92c3001ad28b" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_707a5f76-5220-48a5-9007-36e44593cd9e" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_707a5f76-5220-48a5-9007-36e44593cd9e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeContractTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_707a5f76-5220-48a5-9007-36e44593cd9e" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_707a5f76-5220-48a5-9007-36e44593cd9e_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_7f2e3974-d450-4d3f-a789-216d25ba565c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeContractTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_707a5f76-5220-48a5-9007-36e44593cd9e" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_7f2e3974-d450-4d3f-a789-216d25ba565c" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateSwapMember_fa05858b-68af-43fb-8a2c-f7a22cc92dc4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestRateSwapMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_7f2e3974-d450-4d3f-a789-216d25ba565c" xlink:to="loc_us-gaap_InterestRateSwapMember_fa05858b-68af-43fb-8a2c-f7a22cc92dc4" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeForwardMember_161ffe4a-d11d-4cb9-ac5f-acf63467da2b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ForeignExchangeForwardMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_7f2e3974-d450-4d3f-a789-216d25ba565c" xlink:to="loc_us-gaap_ForeignExchangeForwardMember_161ffe4a-d11d-4cb9-ac5f-acf63467da2b" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeContractMember_0de9145b-5a41-4887-9e33-cc2144bbe4b5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ForeignExchangeContractMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_7f2e3974-d450-4d3f-a789-216d25ba565c" xlink:to="loc_us-gaap_ForeignExchangeContractMember_0de9145b-5a41-4887-9e33-cc2144bbe4b5" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_142d1a7d-255b-4c4a-af90-f9934d319676" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableRateAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_8fce03a7-2f1a-4303-90c1-92c3001ad28b" xlink:to="loc_us-gaap_VariableRateAxis_142d1a7d-255b-4c4a-af90-f9934d319676" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_142d1a7d-255b-4c4a-af90-f9934d319676_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableRateDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_142d1a7d-255b-4c4a-af90-f9934d319676" xlink:to="loc_us-gaap_VariableRateDomain_142d1a7d-255b-4c4a-af90-f9934d319676_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_20060d0a-9e5f-4ed5-9d6f-f5f120665abe" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableRateDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_142d1a7d-255b-4c4a-af90-f9934d319676" xlink:to="loc_us-gaap_VariableRateDomain_20060d0a-9e5f-4ed5-9d6f-f5f120665abe" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_5cf380ec-5109-4873-865d-8bc2102515ed" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_20060d0a-9e5f-4ed5-9d6f-f5f120665abe" xlink:to="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_5cf380ec-5109-4873-865d-8bc2102515ed" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_15dd317c-892a-4f6e-8e0d-275429cacf11" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_8fce03a7-2f1a-4303-90c1-92c3001ad28b" xlink:to="loc_srt_RangeAxis_15dd317c-892a-4f6e-8e0d-275429cacf11" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_15dd317c-892a-4f6e-8e0d-275429cacf11_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_15dd317c-892a-4f6e-8e0d-275429cacf11" xlink:to="loc_srt_RangeMember_15dd317c-892a-4f6e-8e0d-275429cacf11_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_2689e76d-ee9e-4168-8b87-843efe1ec675" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_15dd317c-892a-4f6e-8e0d-275429cacf11" xlink:to="loc_srt_RangeMember_2689e76d-ee9e-4168-8b87-843efe1ec675" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_f4f3efd2-6a59-44a7-94d9-ca4999d7af32" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_2689e76d-ee9e-4168-8b87-843efe1ec675" xlink:to="loc_srt_MaximumMember_f4f3efd2-6a59-44a7-94d9-ca4999d7af32" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_0a3e0b2f-3072-4109-83a4-8e65cded06df" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementEquityComponentsAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_8fce03a7-2f1a-4303-90c1-92c3001ad28b" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_0a3e0b2f-3072-4109-83a4-8e65cded06df" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_0a3e0b2f-3072-4109-83a4-8e65cded06df_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityComponentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_0a3e0b2f-3072-4109-83a4-8e65cded06df" xlink:to="loc_us-gaap_EquityComponentDomain_0a3e0b2f-3072-4109-83a4-8e65cded06df_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_57a63e63-cb71-4a0b-9b18-30031e0dfd5b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityComponentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_0a3e0b2f-3072-4109-83a4-8e65cded06df" xlink:to="loc_us-gaap_EquityComponentDomain_57a63e63-cb71-4a0b-9b18-30031e0dfd5b" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_44df76aa-e32a-4f79-b2dd-3dfbdb7e3b9f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_57a63e63-cb71-4a0b-9b18-30031e0dfd5b" xlink:to="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_44df76aa-e32a-4f79-b2dd-3dfbdb7e3b9f" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_03394403-33c5-45ce-9b7f-68b829bd26de" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_8fce03a7-2f1a-4303-90c1-92c3001ad28b" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_03394403-33c5-45ce-9b7f-68b829bd26de" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_03394403-33c5-45ce-9b7f-68b829bd26de_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_03394403-33c5-45ce-9b7f-68b829bd26de" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_03394403-33c5-45ce-9b7f-68b829bd26de_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_de1d4fd1-dfa9-4869-be8c-5ea902a65ebe" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_03394403-33c5-45ce-9b7f-68b829bd26de" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_de1d4fd1-dfa9-4869-be8c-5ea902a65ebe" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_0232b681-1180-4580-a66d-abc40dbd7709" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_de1d4fd1-dfa9-4869-be8c-5ea902a65ebe" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_0232b681-1180-4580-a66d-abc40dbd7709" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/FairValueMeasurementsAssetsandliabilitiesthatwererecognizedatfairvalueonarecurringbasisDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#FairValueMeasurementsAssetsandliabilitiesthatwererecognizedatfairvalueonarecurringbasisDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/FairValueMeasurementsAssetsandliabilitiesthatwererecognizedatfairvalueonarecurringbasisDetails" xlink:type="extended" id="i05d9408bb73149cbaaf2df5f01b4fc0a_FairValueMeasurementsAssetsandliabilitiesthatwererecognizedatfairvalueonarecurringbasisDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_7b12594c-b5d3-468d-9ece-50718d7c092e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_b60a3d1b-d7d7-4cbe-8ce2-f51617dda15c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_7b12594c-b5d3-468d-9ece-50718d7c092e" xlink:to="loc_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_b60a3d1b-d7d7-4cbe-8ce2-f51617dda15c" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyContractAssetFairValueDisclosure_c94e082a-cc22-4842-a746-e38b43002254" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ForeignCurrencyContractAssetFairValueDisclosure"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_b60a3d1b-d7d7-4cbe-8ce2-f51617dda15c" xlink:to="loc_us-gaap_ForeignCurrencyContractAssetFairValueDisclosure_c94e082a-cc22-4842-a746-e38b43002254" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_f24e9ada-043b-45a0-bd22-dd5098dcd5a1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeAssets"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_b60a3d1b-d7d7-4cbe-8ce2-f51617dda15c" xlink:to="loc_us-gaap_DerivativeAssets_f24e9ada-043b-45a0-bd22-dd5098dcd5a1" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_e886c002-6f90-46a0-a19c-7c4c134bb278" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsFairValueDisclosure"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_b60a3d1b-d7d7-4cbe-8ce2-f51617dda15c" xlink:to="loc_us-gaap_AssetsFairValueDisclosure_e886c002-6f90-46a0-a19c-7c4c134bb278" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract_0f19e59e-24e9-4db1-90fc-f94a99def818" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_7b12594c-b5d3-468d-9ece-50718d7c092e" xlink:to="loc_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract_0f19e59e-24e9-4db1-90fc-f94a99def818" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_WarrantsAndRightsOutstanding_3019d6f8-941c-4e70-a795-c548ff99894c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WarrantsAndRightsOutstanding"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract_0f19e59e-24e9-4db1-90fc-f94a99def818" xlink:to="loc_us-gaap_WarrantsAndRightsOutstanding_3019d6f8-941c-4e70-a795-c548ff99894c" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherEmployeeRelatedLiabilitiesCurrent_b4390685-88a3-4581-9480-401ace052f0e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherEmployeeRelatedLiabilitiesCurrent"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract_0f19e59e-24e9-4db1-90fc-f94a99def818" xlink:to="loc_us-gaap_OtherEmployeeRelatedLiabilitiesCurrent_b4390685-88a3-4581-9480-401ace052f0e" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure_2426cfb2-7e5b-4158-87b3-1890a77e4d56" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract_0f19e59e-24e9-4db1-90fc-f94a99def818" xlink:to="loc_us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure_2426cfb2-7e5b-4158-87b3-1890a77e4d56" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_aaa92e32-bcdb-4aa6-9380-2e767a33b317" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosure"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract_0f19e59e-24e9-4db1-90fc-f94a99def818" xlink:to="loc_us-gaap_LiabilitiesFairValueDisclosure_aaa92e32-bcdb-4aa6-9380-2e767a33b317" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTable_000b1478-ecff-4ceb-afd6-bcd8d7b3f8ca" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_7b12594c-b5d3-468d-9ece-50718d7c092e" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTable_000b1478-ecff-4ceb-afd6-bcd8d7b3f8ca" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_c60f10ab-33ca-4666-ac4c-b56acd49e756" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_000b1478-ecff-4ceb-afd6-bcd8d7b3f8ca" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_c60f10ab-33ca-4666-ac4c-b56acd49e756" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_c60f10ab-33ca-4666-ac4c-b56acd49e756_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeContractTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_c60f10ab-33ca-4666-ac4c-b56acd49e756" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_c60f10ab-33ca-4666-ac4c-b56acd49e756_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_dabf2709-2f3f-4003-9088-a0096137a50f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeContractTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_c60f10ab-33ca-4666-ac4c-b56acd49e756" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_dabf2709-2f3f-4003-9088-a0096137a50f" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeForwardMember_52e21c1b-bd05-432f-bce4-6d7caf6edc46" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ForeignExchangeForwardMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_dabf2709-2f3f-4003-9088-a0096137a50f" xlink:to="loc_us-gaap_ForeignExchangeForwardMember_52e21c1b-bd05-432f-bce4-6d7caf6edc46" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateSwapMember_ff31ac41-f87f-42b1-8d58-522b935b0da1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestRateSwapMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_dabf2709-2f3f-4003-9088-a0096137a50f" xlink:to="loc_us-gaap_InterestRateSwapMember_ff31ac41-f87f-42b1-8d58-522b935b0da1" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_41492cdc-8a39-4be5-979e-b0fb21141554" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_000b1478-ecff-4ceb-afd6-bcd8d7b3f8ca" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_41492cdc-8a39-4be5-979e-b0fb21141554" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_41492cdc-8a39-4be5-979e-b0fb21141554_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_41492cdc-8a39-4be5-979e-b0fb21141554" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_41492cdc-8a39-4be5-979e-b0fb21141554_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_36953d8c-79ac-41ac-b494-3fe1310a0f02" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_41492cdc-8a39-4be5-979e-b0fb21141554" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_36953d8c-79ac-41ac-b494-3fe1310a0f02" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_8b3f3474-8b59-48a7-a454-67f8d25abe3a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_36953d8c-79ac-41ac-b494-3fe1310a0f02" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_8b3f3474-8b59-48a7-a454-67f8d25abe3a" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_4b8517b2-5e11-4425-a702-dbaf58b90487" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_000b1478-ecff-4ceb-afd6-bcd8d7b3f8ca" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_4b8517b2-5e11-4425-a702-dbaf58b90487" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_4b8517b2-5e11-4425-a702-dbaf58b90487_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_4b8517b2-5e11-4425-a702-dbaf58b90487" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_4b8517b2-5e11-4425-a702-dbaf58b90487_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_722d5285-5050-46f2-808e-b38ac8be2ce9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_4b8517b2-5e11-4425-a702-dbaf58b90487" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_722d5285-5050-46f2-808e-b38ac8be2ce9" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_ea6b6366-ced2-4b07-b711-f2297c2b4861" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInputsLevel2Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_722d5285-5050-46f2-808e-b38ac8be2ce9" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_ea6b6366-ced2-4b07-b711-f2297c2b4861" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_65f05706-57d5-475f-9391-b732299c7592" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInputsLevel3Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_722d5285-5050-46f2-808e-b38ac8be2ce9" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_65f05706-57d5-475f-9391-b732299c7592" xlink:type="arc" order="1"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/FairValueMeasurementsChangesinPrivatePlacementWarrantsLiabilitiesDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#FairValueMeasurementsChangesinPrivatePlacementWarrantsLiabilitiesDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/FairValueMeasurementsChangesinPrivatePlacementWarrantsLiabilitiesDetails" xlink:type="extended" id="i5548c29db8e64afca0c0038c763d6074_FairValueMeasurementsChangesinPrivatePlacementWarrantsLiabilitiesDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_c912fb58-f7b7-4cff-8a16-5ab8d90f9a43" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_cdc42332-7926-4c66-a645-4e79922cf77a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_c912fb58-f7b7-4cff-8a16-5ab8d90f9a43" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_cdc42332-7926-4c66-a645-4e79922cf77a" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_WarrantsAndRightsOutstanding_91ab5c56-0d46-434e-a95b-4e5906bf01e4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WarrantsAndRightsOutstanding"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_cdc42332-7926-4c66-a645-4e79922cf77a" xlink:to="loc_us-gaap_WarrantsAndRightsOutstanding_91ab5c56-0d46-434e-a95b-4e5906bf01e4" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAdjustmentOfWarrants_1c1878cc-2b62-4aeb-ab0e-c6ab0d5b00c2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAdjustmentOfWarrants"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_cdc42332-7926-4c66-a645-4e79922cf77a" xlink:to="loc_us-gaap_FairValueAdjustmentOfWarrants_1c1878cc-2b62-4aeb-ab0e-c6ab0d5b00c2" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_StockIssuedDuringPeriodValuePrivateWarrantsExercised_a9eae790-c783-4aff-832a-36231d21bae8" xlink:href="clvt-20220630.xsd#clvt_StockIssuedDuringPeriodValuePrivateWarrantsExercised"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_cdc42332-7926-4c66-a645-4e79922cf77a" xlink:to="loc_clvt_StockIssuedDuringPeriodValuePrivateWarrantsExercised_a9eae790-c783-4aff-832a-36231d21bae8" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_WarrantsAndRightsOutstanding_9beb4adc-f811-4b88-9160-55760d26c4a5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WarrantsAndRightsOutstanding"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_5bc9b10a-feb2-4e1e-a9e8-b4bcff1f4b78" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_c912fb58-f7b7-4cff-8a16-5ab8d90f9a43" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_5bc9b10a-feb2-4e1e-a9e8-b4bcff1f4b78" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_09499e5c-282a-4cd3-b610-9e780b01aded" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_5bc9b10a-feb2-4e1e-a9e8-b4bcff1f4b78" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_09499e5c-282a-4cd3-b610-9e780b01aded" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_09499e5c-282a-4cd3-b610-9e780b01aded_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_09499e5c-282a-4cd3-b610-9e780b01aded" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_09499e5c-282a-4cd3-b610-9e780b01aded_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_9945580b-a087-4edb-af09-ac6db94c39d0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_09499e5c-282a-4cd3-b610-9e780b01aded" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_9945580b-a087-4edb-af09-ac6db94c39d0" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_a5f4b99d-64e3-4642-aaf0-85d4871b3adc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInputsLevel3Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_9945580b-a087-4edb-af09-ac6db94c39d0" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_a5f4b99d-64e3-4642-aaf0-85d4871b3adc" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_0f5b270c-fef7-4165-9961-df5d56d2d19a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_5bc9b10a-feb2-4e1e-a9e8-b4bcff1f4b78" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_0f5b270c-fef7-4165-9961-df5d56d2d19a" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_0f5b270c-fef7-4165-9961-df5d56d2d19a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_0f5b270c-fef7-4165-9961-df5d56d2d19a" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_0f5b270c-fef7-4165-9961-df5d56d2d19a_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_50b0c617-9fe9-4a07-be80-64e532efd098" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_0f5b270c-fef7-4165-9961-df5d56d2d19a" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_50b0c617-9fe9-4a07-be80-64e532efd098" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_566378d5-5476-4ffb-b3dc-09cbfc12511f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_50b0c617-9fe9-4a07-be80-64e532efd098" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_566378d5-5476-4ffb-b3dc-09cbfc12511f" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightAxis_ad0739db-d1c8-4eae-b722-d2fe8b951c3e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_5bc9b10a-feb2-4e1e-a9e8-b4bcff1f4b78" xlink:to="loc_us-gaap_ClassOfWarrantOrRightAxis_ad0739db-d1c8-4eae-b722-d2fe8b951c3e" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_ad0739db-d1c8-4eae-b722-d2fe8b951c3e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_ad0739db-d1c8-4eae-b722-d2fe8b951c3e" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_ad0739db-d1c8-4eae-b722-d2fe8b951c3e_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_c1f7ebe7-3b84-43e6-8a1a-ab42a6cbe470" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_ad0739db-d1c8-4eae-b722-d2fe8b951c3e" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_c1f7ebe7-3b84-43e6-8a1a-ab42a6cbe470" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_PrivatePlacementWarrantMember_41697a28-ef2b-416f-80cc-f5c08607093c" xlink:href="clvt-20220630.xsd#clvt_PrivatePlacementWarrantMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_c1f7ebe7-3b84-43e6-8a1a-ab42a6cbe470" xlink:to="loc_clvt_PrivatePlacementWarrantMember_41697a28-ef2b-416f-80cc-f5c08607093c" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/AccruedExpensesandOtherCurrentLiabilitiesDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#AccruedExpensesandOtherCurrentLiabilitiesDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/AccruedExpensesandOtherCurrentLiabilitiesDetails" xlink:type="extended" id="i129fa1180237409b87556f1e9b1833e8_AccruedExpensesandOtherCurrentLiabilitiesDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_6d3ee562-63d0-4e95-9e02-91d1c48c13c6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsPayableCurrentAndNoncurrent_4e34c945-bcc1-451e-9073-c1f4f5affc3b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DividendsPayableCurrentAndNoncurrent"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_6d3ee562-63d0-4e95-9e02-91d1c48c13c6" xlink:to="loc_us-gaap_DividendsPayableCurrentAndNoncurrent_4e34c945-bcc1-451e-9073-c1f4f5affc3b" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_5027c7f9-0341-40cf-8af1-563ee50e934b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_6d3ee562-63d0-4e95-9e02-91d1c48c13c6" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_5027c7f9-0341-40cf-8af1-563ee50e934b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_4fffeb8d-e73a-4665-9454-193d7d4f63e2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementClassOfStockAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_5027c7f9-0341-40cf-8af1-563ee50e934b" xlink:to="loc_us-gaap_StatementClassOfStockAxis_4fffeb8d-e73a-4665-9454-193d7d4f63e2" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_4fffeb8d-e73a-4665-9454-193d7d4f63e2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_4fffeb8d-e73a-4665-9454-193d7d4f63e2" xlink:to="loc_us-gaap_ClassOfStockDomain_4fffeb8d-e73a-4665-9454-193d7d4f63e2_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_ad1ea4b0-4d4f-48ef-9803-d6c9296be984" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_4fffeb8d-e73a-4665-9454-193d7d4f63e2" xlink:to="loc_us-gaap_ClassOfStockDomain_ad1ea4b0-4d4f-48ef-9803-d6c9296be984" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesAPreferredStockMember_b15f2619-225f-4962-bd12-26df2a95f6be" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SeriesAPreferredStockMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_ad1ea4b0-4d4f-48ef-9803-d6c9296be984" xlink:to="loc_us-gaap_SeriesAPreferredStockMember_b15f2619-225f-4962-bd12-26df2a95f6be" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/PensionandOtherPostRetirementBenefitsBenefitobligationsassumptionsDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#PensionandOtherPostRetirementBenefitsBenefitobligationsassumptionsDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/PensionandOtherPostRetirementBenefitsBenefitobligationsassumptionsDetails" xlink:type="extended" id="i38173ba6623b41fba97eaf1283fedc09_PensionandOtherPostRetirementBenefitsBenefitobligationsassumptionsDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_05ab9065-5d06-4017-93b7-09b911e2accf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate_2089d707-a084-4fe6-bb7a-c8b8b202354e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_05ab9065-5d06-4017-93b7-09b911e2accf" xlink:to="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate_2089d707-a084-4fe6-bb7a-c8b8b202354e" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease_398702b5-3bfd-4cee-af34-88e9f2bd6fad" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_05ab9065-5d06-4017-93b7-09b911e2accf" xlink:to="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease_398702b5-3bfd-4cee-af34-88e9f2bd6fad" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfSocialSecurityIncrease_6208b24e-e2c4-41bb-a49b-e815bf97c789" xlink:href="clvt-20220630.xsd#clvt_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfSocialSecurityIncrease"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_05ab9065-5d06-4017-93b7-09b911e2accf" xlink:to="loc_clvt_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfSocialSecurityIncrease_6208b24e-e2c4-41bb-a49b-e815bf97c789" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfPensionIncrease_89f5520a-0f8d-496f-8ab5-91066a40c5ed" xlink:href="clvt-20220630.xsd#clvt_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfPensionIncrease"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_05ab9065-5d06-4017-93b7-09b911e2accf" xlink:to="loc_clvt_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfPensionIncrease_89f5520a-0f8d-496f-8ab5-91066a40c5ed" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable_ae32f393-9e6f-4dfc-9cd3-58e47d816c52" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_05ab9065-5d06-4017-93b7-09b911e2accf" xlink:to="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable_ae32f393-9e6f-4dfc-9cd3-58e47d816c52" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_4e07d447-35e4-421e-9a43-572c8e239ac7" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable_ae32f393-9e6f-4dfc-9cd3-58e47d816c52" xlink:to="loc_srt_RangeAxis_4e07d447-35e4-421e-9a43-572c8e239ac7" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_4e07d447-35e4-421e-9a43-572c8e239ac7_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_4e07d447-35e4-421e-9a43-572c8e239ac7" xlink:to="loc_srt_RangeMember_4e07d447-35e4-421e-9a43-572c8e239ac7_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_1908b0b8-84aa-4613-bb7f-68e1614559b6" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_4e07d447-35e4-421e-9a43-572c8e239ac7" xlink:to="loc_srt_RangeMember_1908b0b8-84aa-4613-bb7f-68e1614559b6" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_1c2fe666-a2f6-4096-bea3-5f7a9b2df496" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MinimumMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_1908b0b8-84aa-4613-bb7f-68e1614559b6" xlink:to="loc_srt_MinimumMember_1c2fe666-a2f6-4096-bea3-5f7a9b2df496" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_138cdcc7-9571-4900-b334-788741b6a7c6" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_1908b0b8-84aa-4613-bb7f-68e1614559b6" xlink:to="loc_srt_MaximumMember_138cdcc7-9571-4900-b334-788741b6a7c6" xlink:type="arc" order="1"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/PensionandOtherPostRetirementBenefitsPlanassetsDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#PensionandOtherPostRetirementBenefitsPlanassetsDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/PensionandOtherPostRetirementBenefitsPlanassetsDetails" xlink:type="extended" id="ic09b88a4d3f64dda9bd6a2982f8bae83_PensionandOtherPostRetirementBenefitsPlanassetsDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_61402cbe-c2cf-4111-a89f-e72636c90a14" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations_4447d6ec-f0f2-40d9-961d-22217f0d02b4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_61402cbe-c2cf-4111-a89f-e72636c90a14" xlink:to="loc_us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations_4447d6ec-f0f2-40d9-961d-22217f0d02b4" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets_8252a6be-9570-4cdf-8585-c0fb5afe2afd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_61402cbe-c2cf-4111-a89f-e72636c90a14" xlink:to="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets_8252a6be-9570-4cdf-8585-c0fb5afe2afd" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanPlanAssetsDescriptionAbstract_acccded0-1f13-4cf2-8a34-b4443e108b21" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedBenefitPlanPlanAssetsDescriptionAbstract"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_61402cbe-c2cf-4111-a89f-e72636c90a14" xlink:to="loc_us-gaap_DefinedBenefitPlanPlanAssetsDescriptionAbstract_acccded0-1f13-4cf2-8a34-b4443e108b21" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_20baf1a1-322c-403d-84fc-879cd43b713b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedBenefitPlanFairValueOfPlanAssets"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanPlanAssetsDescriptionAbstract_acccded0-1f13-4cf2-8a34-b4443e108b21" xlink:to="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_20baf1a1-322c-403d-84fc-879cd43b713b" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_554b8851-8b28-4cb5-b25c-088031890eea" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_61402cbe-c2cf-4111-a89f-e72636c90a14" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_554b8851-8b28-4cb5-b25c-088031890eea" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_beb5694a-272d-473b-826c-23f88b7b0845" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_554b8851-8b28-4cb5-b25c-088031890eea" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_beb5694a-272d-473b-826c-23f88b7b0845" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_beb5694a-272d-473b-826c-23f88b7b0845_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_beb5694a-272d-473b-826c-23f88b7b0845" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_beb5694a-272d-473b-826c-23f88b7b0845_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_b254e91c-b731-4b56-b94e-496020c4596e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_beb5694a-272d-473b-826c-23f88b7b0845" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_b254e91c-b731-4b56-b94e-496020c4596e" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_43dc3466-ae5b-49d3-8283-17487a21f6ab" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInputsLevel1Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_b254e91c-b731-4b56-b94e-496020c4596e" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_43dc3466-ae5b-49d3-8283-17487a21f6ab" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_f6e354ea-fc4a-464f-ac91-fa63b06f35e6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInputsLevel2Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_b254e91c-b731-4b56-b94e-496020c4596e" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_f6e354ea-fc4a-464f-ac91-fa63b06f35e6" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_b4040cf0-ebd4-4be7-bcb4-664f60b2c443" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInputsLevel3Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_b254e91c-b731-4b56-b94e-496020c4596e" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_b4040cf0-ebd4-4be7-bcb4-664f60b2c443" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_45aae6ea-9b79-4733-812a-54b5f1efd4db" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_554b8851-8b28-4cb5-b25c-088031890eea" xlink:to="loc_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_45aae6ea-9b79-4733-812a-54b5f1efd4db" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanAssetCategoriesDomain_45aae6ea-9b79-4733-812a-54b5f1efd4db_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PlanAssetCategoriesDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_45aae6ea-9b79-4733-812a-54b5f1efd4db" xlink:to="loc_us-gaap_PlanAssetCategoriesDomain_45aae6ea-9b79-4733-812a-54b5f1efd4db_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanAssetCategoriesDomain_768653c9-3352-4d62-afa7-3b374e697b5d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PlanAssetCategoriesDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_45aae6ea-9b79-4733-812a-54b5f1efd4db" xlink:to="loc_us-gaap_PlanAssetCategoriesDomain_768653c9-3352-4d62-afa7-3b374e697b5d" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DefinedBenefitInsuranceContractMember_1a5bc42e-a679-4bc3-9dfc-785cb100b70b" xlink:href="clvt-20220630.xsd#clvt_DefinedBenefitInsuranceContractMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanAssetCategoriesDomain_768653c9-3352-4d62-afa7-3b374e697b5d" xlink:to="loc_clvt_DefinedBenefitInsuranceContractMember_1a5bc42e-a679-4bc3-9dfc-785cb100b70b" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/DebtSummaryofDebtDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#DebtSummaryofDebtDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/DebtSummaryofDebtDetails" xlink:type="extended" id="ia9a6c79279a640029de485e0cf004f7a_DebtSummaryofDebtDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_4224e94e-15e9-42ad-8ae6-086f95cbdc8b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_fedf65ff-1e1e-4e46-a483-e53cf79f0881" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4224e94e-15e9-42ad-8ae6-086f95cbdc8b" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_fedf65ff-1e1e-4e46-a483-e53cf79f0881" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent_3d95bb0a-5c81-41fe-864c-e0c88c9f3b9d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4224e94e-15e9-42ad-8ae6-086f95cbdc8b" xlink:to="loc_us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent_3d95bb0a-5c81-41fe-864c-e0c88c9f3b9d" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_8966746b-4f22-4327-accb-b6738c03d5b6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4224e94e-15e9-42ad-8ae6-086f95cbdc8b" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_8966746b-4f22-4327-accb-b6738c03d5b6" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_9252f82e-d5a7-483a-b092-bf25afe48ab6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinanceLeaseLiability"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4224e94e-15e9-42ad-8ae6-086f95cbdc8b" xlink:to="loc_us-gaap_FinanceLeaseLiability_9252f82e-d5a7-483a-b092-bf25afe48ab6" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_16dd2403-0ae4-49aa-9f54-69b220fa6bd4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4224e94e-15e9-42ad-8ae6-086f95cbdc8b" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_16dd2403-0ae4-49aa-9f54-69b220fa6bd4" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_5297e282-4139-4f21-a6d3-7c0e17d8e16c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredFinanceCostsNet"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4224e94e-15e9-42ad-8ae6-086f95cbdc8b" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_5297e282-4139-4f21-a6d3-7c0e17d8e16c" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscount_2a659c15-8cf2-4808-877b-59345d976c77" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentUnamortizedDiscount"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4224e94e-15e9-42ad-8ae6-086f95cbdc8b" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscount_2a659c15-8cf2-4808-877b-59345d976c77" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_af3f09a4-54e2-47da-9947-6c7de1d0845d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4224e94e-15e9-42ad-8ae6-086f95cbdc8b" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_af3f09a4-54e2-47da-9947-6c7de1d0845d" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_d187526e-4ffb-4011-95b6-df938339cfcd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4224e94e-15e9-42ad-8ae6-086f95cbdc8b" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_d187526e-4ffb-4011-95b6-df938339cfcd" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtWeightedAverageInterestRate_63354f80-17ef-4799-bd47-741b81355176" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtWeightedAverageInterestRate"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4224e94e-15e9-42ad-8ae6-086f95cbdc8b" xlink:to="loc_us-gaap_DebtWeightedAverageInterestRate_63354f80-17ef-4799-bd47-741b81355176" xlink:type="arc" order="9"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BridgeLoan_39a5ba8d-7fbf-4689-848c-68bfeae70733" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BridgeLoan"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4224e94e-15e9-42ad-8ae6-086f95cbdc8b" xlink:to="loc_us-gaap_BridgeLoan_39a5ba8d-7fbf-4689-848c-68bfeae70733" xlink:type="arc" order="10"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_4898f9e9-e47e-4bf3-9232-a209473a2b46" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4224e94e-15e9-42ad-8ae6-086f95cbdc8b" xlink:to="loc_us-gaap_DebtInstrumentTable_4898f9e9-e47e-4bf3-9232-a209473a2b46" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_9629b706-bd18-429c-8191-936e5959d731" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_4898f9e9-e47e-4bf3-9232-a209473a2b46" xlink:to="loc_us-gaap_DebtInstrumentAxis_9629b706-bd18-429c-8191-936e5959d731" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_9629b706-bd18-429c-8191-936e5959d731_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_9629b706-bd18-429c-8191-936e5959d731" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_9629b706-bd18-429c-8191-936e5959d731_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_73ce6537-f103-40ed-ba2b-588ceac573b3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_9629b706-bd18-429c-8191-936e5959d731" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_73ce6537-f103-40ed-ba2b-588ceac573b3" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_NewSeniorUnsecuredNotes2029Member_a47796fd-42c8-462d-ad7f-ad9595e5662b" xlink:href="clvt-20220630.xsd#clvt_NewSeniorUnsecuredNotes2029Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_73ce6537-f103-40ed-ba2b-588ceac573b3" xlink:to="loc_clvt_NewSeniorUnsecuredNotes2029Member_a47796fd-42c8-462d-ad7f-ad9595e5662b" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_NewSeniorSecuredNotes2028Member_8ba94d2d-6141-4429-8658-4211f6e31bd5" xlink:href="clvt-20220630.xsd#clvt_NewSeniorSecuredNotes2028Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_73ce6537-f103-40ed-ba2b-588ceac573b3" xlink:to="loc_clvt_NewSeniorSecuredNotes2028Member_8ba94d2d-6141-4429-8658-4211f6e31bd5" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_SeniorSecuredNotes2026Member_309103ef-bffa-42c6-9c12-3a0b65ac05af" xlink:href="clvt-20220630.xsd#clvt_SeniorSecuredNotes2026Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_73ce6537-f103-40ed-ba2b-588ceac573b3" xlink:to="loc_clvt_SeniorSecuredNotes2026Member_309103ef-bffa-42c6-9c12-3a0b65ac05af" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_TermLoanFacilityMember_cecffb62-072f-4156-b183-f3ed755f0944" xlink:href="clvt-20220630.xsd#clvt_TermLoanFacilityMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_73ce6537-f103-40ed-ba2b-588ceac573b3" xlink:to="loc_clvt_TermLoanFacilityMember_cecffb62-072f-4156-b183-f3ed755f0944" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_e9871aa5-0394-4350-8ae9-b01101f2d45f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevolvingCreditFacilityMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_73ce6537-f103-40ed-ba2b-588ceac573b3" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_e9871aa5-0394-4350-8ae9-b01101f2d45f" xlink:type="arc" order="4"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/DebtSeniorSecuredNotesdue2026Details" xlink:type="simple" xlink:href="clvt-20220630.xsd#DebtSeniorSecuredNotesdue2026Details"/>
<link:definitionLink xlink:role="http://clarivate.com/role/DebtSeniorSecuredNotesdue2026Details" xlink:type="extended" id="id09ec5101c3548779e2bd49bdbb5faa2_DebtSeniorSecuredNotesdue2026Details">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_5c80f34d-ddd5-4a57-985c-f6eabe9c44a4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_b8bbbc62-39af-41e8-a5f4-698554f6de91" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5c80f34d-ddd5-4a57-985c-f6eabe9c44a4" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_b8bbbc62-39af-41e8-a5f4-698554f6de91" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_e3b3e629-4b1f-47df-9839-3c1b782c0406" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5c80f34d-ddd5-4a57-985c-f6eabe9c44a4" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_e3b3e629-4b1f-47df-9839-3c1b782c0406" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed_f7e13b33-aa7c-4b61-a830-16e93aac5979" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5c80f34d-ddd5-4a57-985c-f6eabe9c44a4" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed_f7e13b33-aa7c-4b61-a830-16e93aac5979" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DebtInstrumentRedemptionPriceChangesInControlPercentage_ea637142-150d-4501-b328-f57632d27ec0" xlink:href="clvt-20220630.xsd#clvt_DebtInstrumentRedemptionPriceChangesInControlPercentage"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5c80f34d-ddd5-4a57-985c-f6eabe9c44a4" xlink:to="loc_clvt_DebtInstrumentRedemptionPriceChangesInControlPercentage_ea637142-150d-4501-b328-f57632d27ec0" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPricePercentage_446d13fe-d788-4c9f-9ccb-800c5f8f9ed1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentRedemptionPricePercentage"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5c80f34d-ddd5-4a57-985c-f6eabe9c44a4" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPricePercentage_446d13fe-d788-4c9f-9ccb-800c5f8f9ed1" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DebtInstrumentRedemptionThroughEquityOfferingsRedemptionPricePercentage_f197502f-53fb-4600-b954-5a7f080c4013" xlink:href="clvt-20220630.xsd#clvt_DebtInstrumentRedemptionThroughEquityOfferingsRedemptionPricePercentage"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5c80f34d-ddd5-4a57-985c-f6eabe9c44a4" xlink:to="loc_clvt_DebtInstrumentRedemptionThroughEquityOfferingsRedemptionPricePercentage_f197502f-53fb-4600-b954-5a7f080c4013" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DebtInstrument.RedemptionThroughEquityOfferingsThresholdMinimumPercentageOfOriginalAggregatePrincipalAmountRemainingOutstanding_c5a0e5fa-5b7c-45a2-acc5-4a3fc870ae62" xlink:href="clvt-20220630.xsd#clvt_DebtInstrument.RedemptionThroughEquityOfferingsThresholdMinimumPercentageOfOriginalAggregatePrincipalAmountRemainingOutstanding"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5c80f34d-ddd5-4a57-985c-f6eabe9c44a4" xlink:to="loc_clvt_DebtInstrument.RedemptionThroughEquityOfferingsThresholdMinimumPercentageOfOriginalAggregatePrincipalAmountRemainingOutstanding_c5a0e5fa-5b7c-45a2-acc5-4a3fc870ae62" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DebtInstrumentRedemptionThroughEquityOfferingsThresholdRedemptionPeriodMaximum_d53160ab-2abb-4e40-bb0e-c284ebbaa8ea" xlink:href="clvt-20220630.xsd#clvt_DebtInstrumentRedemptionThroughEquityOfferingsThresholdRedemptionPeriodMaximum"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5c80f34d-ddd5-4a57-985c-f6eabe9c44a4" xlink:to="loc_clvt_DebtInstrumentRedemptionThroughEquityOfferingsThresholdRedemptionPeriodMaximum_d53160ab-2abb-4e40-bb0e-c284ebbaa8ea" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_62b2e0a9-cc98-4913-ab57-049d347cc254" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5c80f34d-ddd5-4a57-985c-f6eabe9c44a4" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_62b2e0a9-cc98-4913-ab57-049d347cc254" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfDebt_da4a2ab7-c119-4f0c-b69a-13fc4563f692" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RepaymentsOfDebt"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5c80f34d-ddd5-4a57-985c-f6eabe9c44a4" xlink:to="loc_us-gaap_RepaymentsOfDebt_da4a2ab7-c119-4f0c-b69a-13fc4563f692" xlink:type="arc" order="9"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_66d90d58-8d1b-47ba-be9e-23aefa48c5eb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5c80f34d-ddd5-4a57-985c-f6eabe9c44a4" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_66d90d58-8d1b-47ba-be9e-23aefa48c5eb" xlink:type="arc" order="10"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_046e2d7b-a0da-4690-ac65-f7eddcf16c79" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_5c80f34d-ddd5-4a57-985c-f6eabe9c44a4" xlink:to="loc_us-gaap_DebtInstrumentTable_046e2d7b-a0da-4690-ac65-f7eddcf16c79" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_3276fb76-e0d9-487d-b08c-fd181805a25e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_046e2d7b-a0da-4690-ac65-f7eddcf16c79" xlink:to="loc_us-gaap_DebtInstrumentAxis_3276fb76-e0d9-487d-b08c-fd181805a25e" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_3276fb76-e0d9-487d-b08c-fd181805a25e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_3276fb76-e0d9-487d-b08c-fd181805a25e" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_3276fb76-e0d9-487d-b08c-fd181805a25e_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_4d09fd1b-7c37-4c14-98ce-520f21b9226f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_3276fb76-e0d9-487d-b08c-fd181805a25e" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_4d09fd1b-7c37-4c14-98ce-520f21b9226f" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_SeniorUnsecuredNotesMember_4b5b3c0c-c03d-44ad-aaac-d1b048d4fd31" xlink:href="clvt-20220630.xsd#clvt_SeniorUnsecuredNotesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_4d09fd1b-7c37-4c14-98ce-520f21b9226f" xlink:to="loc_clvt_SeniorUnsecuredNotesMember_4b5b3c0c-c03d-44ad-aaac-d1b048d4fd31" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_SeniorSecuredNotesMember_9111a45b-2ff6-4778-b15c-fc403f5baa4d" xlink:href="clvt-20220630.xsd#clvt_SeniorSecuredNotesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_4d09fd1b-7c37-4c14-98ce-520f21b9226f" xlink:to="loc_clvt_SeniorSecuredNotesMember_9111a45b-2ff6-4778-b15c-fc403f5baa4d" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_TermLoanFacilityMember_d7d531e3-de90-4a41-928c-24afa6b8ec73" xlink:href="clvt-20220630.xsd#clvt_TermLoanFacilityMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_4d09fd1b-7c37-4c14-98ce-520f21b9226f" xlink:to="loc_clvt_TermLoanFacilityMember_d7d531e3-de90-4a41-928c-24afa6b8ec73" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_d8fe97e1-11c6-48a6-a5bb-ba551163a1e3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevolvingCreditFacilityMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_4d09fd1b-7c37-4c14-98ce-520f21b9226f" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_d8fe97e1-11c6-48a6-a5bb-ba551163a1e3" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_SeniorUnsecuredNotes2024Member_c35f1f7c-7b10-4645-b90b-c19fed3129e9" xlink:href="clvt-20220630.xsd#clvt_SeniorUnsecuredNotes2024Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_4d09fd1b-7c37-4c14-98ce-520f21b9226f" xlink:to="loc_clvt_SeniorUnsecuredNotes2024Member_c35f1f7c-7b10-4645-b90b-c19fed3129e9" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LetterOfCreditMember_084a8d18-4a45-4f93-8634-01363f2c76c6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LetterOfCreditMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_4d09fd1b-7c37-4c14-98ce-520f21b9226f" xlink:to="loc_us-gaap_LetterOfCreditMember_084a8d18-4a45-4f93-8634-01363f2c76c6" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_12ba41d6-0f97-4371-a5e3-f71a961aa3cb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_046e2d7b-a0da-4690-ac65-f7eddcf16c79" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_12ba41d6-0f97-4371-a5e3-f71a961aa3cb" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_12ba41d6-0f97-4371-a5e3-f71a961aa3cb_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_12ba41d6-0f97-4371-a5e3-f71a961aa3cb" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_12ba41d6-0f97-4371-a5e3-f71a961aa3cb_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_5ebfb4b2-e703-4fe3-9c22-1bd28be2aa64" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_12ba41d6-0f97-4371-a5e3-f71a961aa3cb" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_5ebfb4b2-e703-4fe3-9c22-1bd28be2aa64" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodOneMember_a339864e-51cd-46dd-aa7e-0342322faf45" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodOneMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_5ebfb4b2-e703-4fe3-9c22-1bd28be2aa64" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodOneMember_a339864e-51cd-46dd-aa7e-0342322faf45" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/DebtSummaryofRedemptionPricesDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#DebtSummaryofRedemptionPricesDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/DebtSummaryofRedemptionPricesDetails" xlink:type="extended" id="iaae9cef4ad8b42459740e1901746266c_DebtSummaryofRedemptionPricesDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionLineItems_ba9d4ba3-bbff-4a3f-bd37-344d720925ea" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentRedemptionLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPricePercentage_187859df-32af-4a80-bf58-35ccdd54cc19" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentRedemptionPricePercentage"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_ba9d4ba3-bbff-4a3f-bd37-344d720925ea" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPricePercentage_187859df-32af-4a80-bf58-35ccdd54cc19" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionTable_1c49df0d-dbeb-4ece-ac41-e0643196ea1c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentRedemptionTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_ba9d4ba3-bbff-4a3f-bd37-344d720925ea" xlink:to="loc_us-gaap_DebtInstrumentRedemptionTable_1c49df0d-dbeb-4ece-ac41-e0643196ea1c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_1ca62331-d756-488f-a4f9-1f3fc8a2e9e6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentRedemptionTable_1c49df0d-dbeb-4ece-ac41-e0643196ea1c" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_1ca62331-d756-488f-a4f9-1f3fc8a2e9e6" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_1ca62331-d756-488f-a4f9-1f3fc8a2e9e6_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_1ca62331-d756-488f-a4f9-1f3fc8a2e9e6" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_1ca62331-d756-488f-a4f9-1f3fc8a2e9e6_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_ffdc3ef4-569a-445f-b6e6-6e574e58aaae" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_1ca62331-d756-488f-a4f9-1f3fc8a2e9e6" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_ffdc3ef4-569a-445f-b6e6-6e574e58aaae" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodTwoMember_3fbf941d-43ed-4f58-9f58-50ffdc402e97" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodTwoMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_ffdc3ef4-569a-445f-b6e6-6e574e58aaae" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodTwoMember_3fbf941d-43ed-4f58-9f58-50ffdc402e97" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodThreeMember_022a65ca-3172-4c30-bc95-d1b4b0022223" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodThreeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_ffdc3ef4-569a-445f-b6e6-6e574e58aaae" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodThreeMember_022a65ca-3172-4c30-bc95-d1b4b0022223" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodFourMember_8d49169e-3364-4f45-b50f-3d34fb4f50c3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodFourMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_ffdc3ef4-569a-445f-b6e6-6e574e58aaae" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodFourMember_8d49169e-3364-4f45-b50f-3d34fb4f50c3" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_69f9b16d-58ae-4f24-b8a8-aa21f08d440c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentRedemptionTable_1c49df0d-dbeb-4ece-ac41-e0643196ea1c" xlink:to="loc_us-gaap_DebtInstrumentAxis_69f9b16d-58ae-4f24-b8a8-aa21f08d440c" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_69f9b16d-58ae-4f24-b8a8-aa21f08d440c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_69f9b16d-58ae-4f24-b8a8-aa21f08d440c" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_69f9b16d-58ae-4f24-b8a8-aa21f08d440c_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_41b5f809-a918-452a-8844-709afc533f56" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_69f9b16d-58ae-4f24-b8a8-aa21f08d440c" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_41b5f809-a918-452a-8844-709afc533f56" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_SeniorSecuredNotesMember_fea45bba-cbd5-462f-ba03-d6e8da8c7d9d" xlink:href="clvt-20220630.xsd#clvt_SeniorSecuredNotesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_41b5f809-a918-452a-8844-709afc533f56" xlink:to="loc_clvt_SeniorSecuredNotesMember_fea45bba-cbd5-462f-ba03-d6e8da8c7d9d" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_NewSeniorSecuredNotes2028Member_ee3296a3-2cf5-4cd5-bb7f-c9728117901e" xlink:href="clvt-20220630.xsd#clvt_NewSeniorSecuredNotes2028Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_41b5f809-a918-452a-8844-709afc533f56" xlink:to="loc_clvt_NewSeniorSecuredNotes2028Member_ee3296a3-2cf5-4cd5-bb7f-c9728117901e" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_NewSeniorUnsecuredNotes2029Member_5040fe04-1dbe-4290-b7f0-fd5f390b34ba" xlink:href="clvt-20220630.xsd#clvt_NewSeniorUnsecuredNotes2029Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_41b5f809-a918-452a-8844-709afc533f56" xlink:to="loc_clvt_NewSeniorUnsecuredNotes2029Member_5040fe04-1dbe-4290-b7f0-fd5f390b34ba" xlink:type="arc" order="2"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/DebtTheCreditFacilitiesDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#DebtTheCreditFacilitiesDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/DebtTheCreditFacilitiesDetails" xlink:type="extended" id="i496a184357d44870aac394ffdf903f20_DebtTheCreditFacilitiesDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_e255bd27-dac8-44f1-ab60-3b456a1f2050" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_fe29118c-9340-4590-a949-9e3ff71b34b4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e255bd27-dac8-44f1-ab60-3b456a1f2050" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_fe29118c-9340-4590-a949-9e3ff71b34b4" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_8c00abbf-f469-41e4-8086-225a3a046096" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e255bd27-dac8-44f1-ab60-3b456a1f2050" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_8c00abbf-f469-41e4-8086-225a3a046096" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_LineOfCreditFacilityIncreaseBorrowingCapacity_3e7d3db8-d001-474f-a932-cf2b890acf6b" xlink:href="clvt-20220630.xsd#clvt_LineOfCreditFacilityIncreaseBorrowingCapacity"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e255bd27-dac8-44f1-ab60-3b456a1f2050" xlink:to="loc_clvt_LineOfCreditFacilityIncreaseBorrowingCapacity_3e7d3db8-d001-474f-a932-cf2b890acf6b" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_8eeee7cf-2180-46ec-a7a6-739633a29326" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e255bd27-dac8-44f1-ab60-3b456a1f2050" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_8eeee7cf-2180-46ec-a7a6-739633a29326" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DebtInstrumentInterestRateAnnualAdjustment_c0e1962c-b70f-48ae-88f5-76eeac380e5c" xlink:href="clvt-20220630.xsd#clvt_DebtInstrumentInterestRateAnnualAdjustment"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e255bd27-dac8-44f1-ab60-3b456a1f2050" xlink:to="loc_clvt_DebtInstrumentInterestRateAnnualAdjustment_c0e1962c-b70f-48ae-88f5-76eeac380e5c" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_7d3e6894-ca9e-48ff-bc91-33f5b29512ab" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityCommitmentFeePercentage"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e255bd27-dac8-44f1-ab60-3b456a1f2050" xlink:to="loc_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_7d3e6894-ca9e-48ff-bc91-33f5b29512ab" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCollateralAmount_c9c0767a-ba7f-4cc9-bb4d-375649406a7f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentCollateralAmount"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e255bd27-dac8-44f1-ab60-3b456a1f2050" xlink:to="loc_us-gaap_DebtInstrumentCollateralAmount_c9c0767a-ba7f-4cc9-bb4d-375649406a7f" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed_5dc7ba16-bba8-4c18-9a04-1b13d07681d2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e255bd27-dac8-44f1-ab60-3b456a1f2050" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed_5dc7ba16-bba8-4c18-9a04-1b13d07681d2" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DebtInstrumentAmortizationRate_65bb29e5-28af-4873-9ffb-18e50a141c7d" xlink:href="clvt-20220630.xsd#clvt_DebtInstrumentAmortizationRate"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e255bd27-dac8-44f1-ab60-3b456a1f2050" xlink:to="loc_clvt_DebtInstrumentAmortizationRate_65bb29e5-28af-4873-9ffb-18e50a141c7d" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BridgeLoan_304b268a-b127-478f-8425-adc23eb19aad" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BridgeLoan"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e255bd27-dac8-44f1-ab60-3b456a1f2050" xlink:to="loc_us-gaap_BridgeLoan_304b268a-b127-478f-8425-adc23eb19aad" xlink:type="arc" order="9"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_fa5d6087-7ab4-4b06-bead-03af42982ca0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentFaceAmount"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e255bd27-dac8-44f1-ab60-3b456a1f2050" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_fa5d6087-7ab4-4b06-bead-03af42982ca0" xlink:type="arc" order="10"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_cc36e5e8-0036-4224-8aa1-0ed14f76b3aa" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebt"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e255bd27-dac8-44f1-ab60-3b456a1f2050" xlink:to="loc_us-gaap_LongTermDebt_cc36e5e8-0036-4224-8aa1-0ed14f76b3aa" xlink:type="arc" order="11"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_WriteOffOfDeferredDebtIssuanceCost_858bf5df-25d8-43b6-a176-7947808522a5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WriteOffOfDeferredDebtIssuanceCost"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e255bd27-dac8-44f1-ab60-3b456a1f2050" xlink:to="loc_us-gaap_WriteOffOfDeferredDebtIssuanceCost_858bf5df-25d8-43b6-a176-7947808522a5" xlink:type="arc" order="12"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_558b9ab4-e833-4a93-9ec5-254cc80be290" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AmortizationOfFinancingCosts"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e255bd27-dac8-44f1-ab60-3b456a1f2050" xlink:to="loc_us-gaap_AmortizationOfFinancingCosts_558b9ab4-e833-4a93-9ec5-254cc80be290" xlink:type="arc" order="13"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_6151052b-2184-42f8-977a-b9769000f081" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredFinanceCostsNet"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e255bd27-dac8-44f1-ab60-3b456a1f2050" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_6151052b-2184-42f8-977a-b9769000f081" xlink:type="arc" order="14"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_af262e2a-b67b-4ede-88d9-564ac10da3fb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e255bd27-dac8-44f1-ab60-3b456a1f2050" xlink:to="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_af262e2a-b67b-4ede-88d9-564ac10da3fb" xlink:type="arc" order="15"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromLinesOfCredit_94c5e7b9-c9dd-48be-8194-19bc482a3b61" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromLinesOfCredit"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e255bd27-dac8-44f1-ab60-3b456a1f2050" xlink:to="loc_us-gaap_ProceedsFromLinesOfCredit_94c5e7b9-c9dd-48be-8194-19bc482a3b61" xlink:type="arc" order="16"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet_c3f68519-351a-4239-9bb6-9c393254dda5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e255bd27-dac8-44f1-ab60-3b456a1f2050" xlink:to="loc_us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet_c3f68519-351a-4239-9bb6-9c393254dda5" xlink:type="arc" order="17"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_0889e27d-281f-461e-88d2-20e42eb20f6e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e255bd27-dac8-44f1-ab60-3b456a1f2050" xlink:to="loc_us-gaap_DebtInstrumentTable_0889e27d-281f-461e-88d2-20e42eb20f6e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_2901bed7-c0cd-4868-bd70-c36bca686bc7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_0889e27d-281f-461e-88d2-20e42eb20f6e" xlink:to="loc_us-gaap_DebtInstrumentAxis_2901bed7-c0cd-4868-bd70-c36bca686bc7" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_2901bed7-c0cd-4868-bd70-c36bca686bc7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_2901bed7-c0cd-4868-bd70-c36bca686bc7" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_2901bed7-c0cd-4868-bd70-c36bca686bc7_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_43815abd-7194-4424-ad24-714d42dfd00b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_2901bed7-c0cd-4868-bd70-c36bca686bc7" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_43815abd-7194-4424-ad24-714d42dfd00b" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_1a5751b2-f734-4fb2-9917-f3bced3b2b2e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevolvingCreditFacilityMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_43815abd-7194-4424-ad24-714d42dfd00b" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_1a5751b2-f734-4fb2-9917-f3bced3b2b2e" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LetterOfCreditMember_6dd8b20d-193a-495c-83f2-c6a70a4cea31" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LetterOfCreditMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_43815abd-7194-4424-ad24-714d42dfd00b" xlink:to="loc_us-gaap_LetterOfCreditMember_6dd8b20d-193a-495c-83f2-c6a70a4cea31" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DRGAcquisitionTermLoanMember_ef461087-3535-4f90-b242-124f7b59461d" xlink:href="clvt-20220630.xsd#clvt_DRGAcquisitionTermLoanMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_43815abd-7194-4424-ad24-714d42dfd00b" xlink:to="loc_clvt_DRGAcquisitionTermLoanMember_ef461087-3535-4f90-b242-124f7b59461d" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_BridgeFacilityDRGAcquisitionMember_2ed28aac-56bf-48ea-acbd-e1ebd3546573" xlink:href="clvt-20220630.xsd#clvt_BridgeFacilityDRGAcquisitionMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_43815abd-7194-4424-ad24-714d42dfd00b" xlink:to="loc_clvt_BridgeFacilityDRGAcquisitionMember_2ed28aac-56bf-48ea-acbd-e1ebd3546573" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_BridgeFacilityCPAAcquisitionMember_c419e77f-3a7e-4a6e-8363-1352bfaa3f6e" xlink:href="clvt-20220630.xsd#clvt_BridgeFacilityCPAAcquisitionMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_43815abd-7194-4424-ad24-714d42dfd00b" xlink:to="loc_clvt_BridgeFacilityCPAAcquisitionMember_c419e77f-3a7e-4a6e-8363-1352bfaa3f6e" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_TermLoanFacilityMember_bfe3b60d-6cfb-4924-abbd-91de738ca453" xlink:href="clvt-20220630.xsd#clvt_TermLoanFacilityMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_43815abd-7194-4424-ad24-714d42dfd00b" xlink:to="loc_clvt_TermLoanFacilityMember_bfe3b60d-6cfb-4924-abbd-91de738ca453" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_CreditFacilitiesMember_03767d28-3086-4cf4-b532-c82c146b7bb3" xlink:href="clvt-20220630.xsd#clvt_CreditFacilitiesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_43815abd-7194-4424-ad24-714d42dfd00b" xlink:to="loc_clvt_CreditFacilitiesMember_03767d28-3086-4cf4-b532-c82c146b7bb3" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_SeniorUnsecuredNotesMember_ffb12bc2-ea22-4946-a8e2-0e7edeb7c2b3" xlink:href="clvt-20220630.xsd#clvt_SeniorUnsecuredNotesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_43815abd-7194-4424-ad24-714d42dfd00b" xlink:to="loc_clvt_SeniorUnsecuredNotesMember_ffb12bc2-ea22-4946-a8e2-0e7edeb7c2b3" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_a8c6e0fd-5cca-490e-92d6-0d8dbb1af392" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableRateAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_0889e27d-281f-461e-88d2-20e42eb20f6e" xlink:to="loc_us-gaap_VariableRateAxis_a8c6e0fd-5cca-490e-92d6-0d8dbb1af392" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_a8c6e0fd-5cca-490e-92d6-0d8dbb1af392_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableRateDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_a8c6e0fd-5cca-490e-92d6-0d8dbb1af392" xlink:to="loc_us-gaap_VariableRateDomain_a8c6e0fd-5cca-490e-92d6-0d8dbb1af392_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_1e26df4f-10a1-433d-95be-238ea393f89c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableRateDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_a8c6e0fd-5cca-490e-92d6-0d8dbb1af392" xlink:to="loc_us-gaap_VariableRateDomain_1e26df4f-10a1-433d-95be-238ea393f89c" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_bb049158-fba3-40f2-b2bf-616d5f4fe8a5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_1e26df4f-10a1-433d-95be-238ea393f89c" xlink:to="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_bb049158-fba3-40f2-b2bf-616d5f4fe8a5" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrimeRateMember_e7d7d156-5517-4228-815e-e95b38bbe250" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PrimeRateMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_1e26df4f-10a1-433d-95be-238ea393f89c" xlink:to="loc_us-gaap_PrimeRateMember_e7d7d156-5517-4228-815e-e95b38bbe250" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FederalFundsEffectiveSwapRateMember_ccc99cf1-6078-4417-93de-26429d08c620" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FederalFundsEffectiveSwapRateMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_1e26df4f-10a1-433d-95be-238ea393f89c" xlink:to="loc_us-gaap_FederalFundsEffectiveSwapRateMember_ccc99cf1-6078-4417-93de-26429d08c620" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EurodollarMember_b4d24c25-d41d-4bfc-9116-1a8121766ddf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EurodollarMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_1e26df4f-10a1-433d-95be-238ea393f89c" xlink:to="loc_us-gaap_EurodollarMember_b4d24c25-d41d-4bfc-9116-1a8121766ddf" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember_494fb028-e8fe-4213-be48-d52bcdfb0d50" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_1e26df4f-10a1-433d-95be-238ea393f89c" xlink:to="loc_us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember_494fb028-e8fe-4213-be48-d52bcdfb0d50" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_67055b2f-8c80-4fbb-9c74-bf52d01ff095" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CreditFacilityAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_0889e27d-281f-461e-88d2-20e42eb20f6e" xlink:to="loc_us-gaap_CreditFacilityAxis_67055b2f-8c80-4fbb-9c74-bf52d01ff095" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_67055b2f-8c80-4fbb-9c74-bf52d01ff095_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CreditFacilityDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_67055b2f-8c80-4fbb-9c74-bf52d01ff095" xlink:to="loc_us-gaap_CreditFacilityDomain_67055b2f-8c80-4fbb-9c74-bf52d01ff095_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_c752679d-5850-40e6-b60d-a435636a16a7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CreditFacilityDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_67055b2f-8c80-4fbb-9c74-bf52d01ff095" xlink:to="loc_us-gaap_CreditFacilityDomain_c752679d-5850-40e6-b60d-a435636a16a7" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_f38f2710-6402-4599-8c6c-a122d4466837" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevolvingCreditFacilityMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_c752679d-5850-40e6-b60d-a435636a16a7" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_f38f2710-6402-4599-8c6c-a122d4466837" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LetterOfCreditMember_4964abff-8992-421e-8e1a-864f32aec54e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LetterOfCreditMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_c752679d-5850-40e6-b60d-a435636a16a7" xlink:to="loc_us-gaap_LetterOfCreditMember_4964abff-8992-421e-8e1a-864f32aec54e" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_7caaa170-6c60-44f0-90a0-1bf7de43c396" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_0889e27d-281f-461e-88d2-20e42eb20f6e" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_7caaa170-6c60-44f0-90a0-1bf7de43c396" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_7caaa170-6c60-44f0-90a0-1bf7de43c396_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_7caaa170-6c60-44f0-90a0-1bf7de43c396" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_7caaa170-6c60-44f0-90a0-1bf7de43c396_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_3c395a4b-5b69-44c6-92f0-757a249954e9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_7caaa170-6c60-44f0-90a0-1bf7de43c396" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_3c395a4b-5b69-44c6-92f0-757a249954e9" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_CPAGlobalMember_53ff9d0b-cfb1-4341-89b2-d0c723426e0a" xlink:href="clvt-20220630.xsd#clvt_CPAGlobalMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_3c395a4b-5b69-44c6-92f0-757a249954e9" xlink:to="loc_clvt_CPAGlobalMember_53ff9d0b-cfb1-4341-89b2-d0c723426e0a" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_97fe5d6a-1a48-4d64-87f7-e50f8eddec34" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_0889e27d-281f-461e-88d2-20e42eb20f6e" xlink:to="loc_srt_RangeAxis_97fe5d6a-1a48-4d64-87f7-e50f8eddec34" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_97fe5d6a-1a48-4d64-87f7-e50f8eddec34_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_97fe5d6a-1a48-4d64-87f7-e50f8eddec34" xlink:to="loc_srt_RangeMember_97fe5d6a-1a48-4d64-87f7-e50f8eddec34_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_6494612e-7b49-4ca6-ac4d-c342c364f7a2" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_97fe5d6a-1a48-4d64-87f7-e50f8eddec34" xlink:to="loc_srt_RangeMember_6494612e-7b49-4ca6-ac4d-c342c364f7a2" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_9b0057d1-c53c-404b-8e2a-9ea38bc81698" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MinimumMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_6494612e-7b49-4ca6-ac4d-c342c364f7a2" xlink:to="loc_srt_MinimumMember_9b0057d1-c53c-404b-8e2a-9ea38bc81698" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DebtCovenantTermsAxis_93693ebf-f811-41b2-b386-0e51463336ae" xlink:href="clvt-20220630.xsd#clvt_DebtCovenantTermsAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_0889e27d-281f-461e-88d2-20e42eb20f6e" xlink:to="loc_clvt_DebtCovenantTermsAxis_93693ebf-f811-41b2-b386-0e51463336ae" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DebtCovenantTermsDomain_93693ebf-f811-41b2-b386-0e51463336ae_default" xlink:href="clvt-20220630.xsd#clvt_DebtCovenantTermsDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_clvt_DebtCovenantTermsAxis_93693ebf-f811-41b2-b386-0e51463336ae" xlink:to="loc_clvt_DebtCovenantTermsDomain_93693ebf-f811-41b2-b386-0e51463336ae_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DebtCovenantTermsDomain_a860aad5-055c-4a9c-a6fa-5ce7aab13b0b" xlink:href="clvt-20220630.xsd#clvt_DebtCovenantTermsDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_clvt_DebtCovenantTermsAxis_93693ebf-f811-41b2-b386-0e51463336ae" xlink:to="loc_clvt_DebtCovenantTermsDomain_a860aad5-055c-4a9c-a6fa-5ce7aab13b0b" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_FirstLienLeverageRatiosMember_6648e7e0-93c7-46f8-8349-9eedffcbfa68" xlink:href="clvt-20220630.xsd#clvt_FirstLienLeverageRatiosMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_DebtCovenantTermsDomain_a860aad5-055c-4a9c-a6fa-5ce7aab13b0b" xlink:to="loc_clvt_FirstLienLeverageRatiosMember_6648e7e0-93c7-46f8-8349-9eedffcbfa68" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/DebtSeniorUnsecuredNotes2029andSeniorSecuredNotes2028Details" xlink:type="simple" xlink:href="clvt-20220630.xsd#DebtSeniorUnsecuredNotes2029andSeniorSecuredNotes2028Details"/>
<link:definitionLink xlink:role="http://clarivate.com/role/DebtSeniorUnsecuredNotes2029andSeniorSecuredNotes2028Details" xlink:type="extended" id="i7e1d22598e7d4226aadc9123b3637557_DebtSeniorUnsecuredNotes2029andSeniorSecuredNotes2028Details">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_bbe413d6-4d18-4f70-b2a1-1b04434b1862" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_f995aaa0-f0fa-499d-a437-ff78a78c8d6b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_bbe413d6-4d18-4f70-b2a1-1b04434b1862" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_f995aaa0-f0fa-499d-a437-ff78a78c8d6b" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_2afe06b9-4ab5-4d0b-a902-ea21bf7ee31c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_bbe413d6-4d18-4f70-b2a1-1b04434b1862" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_2afe06b9-4ab5-4d0b-a902-ea21bf7ee31c" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ExtinguishmentOfDebtAmount_127208a6-0d1b-4219-832c-914fe74b15db" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ExtinguishmentOfDebtAmount"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_bbe413d6-4d18-4f70-b2a1-1b04434b1862" xlink:to="loc_us-gaap_ExtinguishmentOfDebtAmount_127208a6-0d1b-4219-832c-914fe74b15db" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDebtExtinguishmentCosts_0bc7ac58-c528-4eda-baf4-93587d01a511" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsOfDebtExtinguishmentCosts"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_bbe413d6-4d18-4f70-b2a1-1b04434b1862" xlink:to="loc_us-gaap_PaymentsOfDebtExtinguishmentCosts_0bc7ac58-c528-4eda-baf4-93587d01a511" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPricePercentage_15b53c8c-11bb-407d-9b22-9c91010dd992" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentRedemptionPricePercentage"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_bbe413d6-4d18-4f70-b2a1-1b04434b1862" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPricePercentage_15b53c8c-11bb-407d-9b22-9c91010dd992" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_b965f5a2-0348-4805-a6fd-f17f1b0fc538" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentFaceAmount"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_bbe413d6-4d18-4f70-b2a1-1b04434b1862" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_b965f5a2-0348-4805-a6fd-f17f1b0fc538" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DebtInstrumentRedemptionPriceChangesInControlPercentage_6cc7b22d-5c98-4aff-a325-48ec2ea7028b" xlink:href="clvt-20220630.xsd#clvt_DebtInstrumentRedemptionPriceChangesInControlPercentage"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_bbe413d6-4d18-4f70-b2a1-1b04434b1862" xlink:to="loc_clvt_DebtInstrumentRedemptionPriceChangesInControlPercentage_6cc7b22d-5c98-4aff-a325-48ec2ea7028b" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed_370db6be-00fc-427f-9097-ff6456a3326d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_bbe413d6-4d18-4f70-b2a1-1b04434b1862" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed_370db6be-00fc-427f-9097-ff6456a3326d" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DebtInstrumentRedemptionThroughEquityOfferingsRedemptionPricePercentage_c82ebce9-dcca-433b-9c48-f0fd8ccfa3f5" xlink:href="clvt-20220630.xsd#clvt_DebtInstrumentRedemptionThroughEquityOfferingsRedemptionPricePercentage"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_bbe413d6-4d18-4f70-b2a1-1b04434b1862" xlink:to="loc_clvt_DebtInstrumentRedemptionThroughEquityOfferingsRedemptionPricePercentage_c82ebce9-dcca-433b-9c48-f0fd8ccfa3f5" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DebtInstrument.RedemptionThroughEquityOfferingsThresholdMinimumPercentageOfOriginalAggregatePrincipalAmountRemainingOutstanding_410d9cbe-6cbb-4248-be73-29753b7c3f14" xlink:href="clvt-20220630.xsd#clvt_DebtInstrument.RedemptionThroughEquityOfferingsThresholdMinimumPercentageOfOriginalAggregatePrincipalAmountRemainingOutstanding"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_bbe413d6-4d18-4f70-b2a1-1b04434b1862" xlink:to="loc_clvt_DebtInstrument.RedemptionThroughEquityOfferingsThresholdMinimumPercentageOfOriginalAggregatePrincipalAmountRemainingOutstanding_410d9cbe-6cbb-4248-be73-29753b7c3f14" xlink:type="arc" order="9"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DebtInstrumentRedemptionPeriodPriorToClosingOfEquityOffering_48ad4f48-3a71-432c-b230-0b2bfc8792f5" xlink:href="clvt-20220630.xsd#clvt_DebtInstrumentRedemptionPeriodPriorToClosingOfEquityOffering"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_bbe413d6-4d18-4f70-b2a1-1b04434b1862" xlink:to="loc_clvt_DebtInstrumentRedemptionPeriodPriorToClosingOfEquityOffering_48ad4f48-3a71-432c-b230-0b2bfc8792f5" xlink:type="arc" order="10"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_1ef02a44-0dd7-4af7-932a-74316ccb5a56" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_bbe413d6-4d18-4f70-b2a1-1b04434b1862" xlink:to="loc_us-gaap_DebtInstrumentTable_1ef02a44-0dd7-4af7-932a-74316ccb5a56" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_22c82eb1-e56c-4b7d-8c0c-2c60d4f39956" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_1ef02a44-0dd7-4af7-932a-74316ccb5a56" xlink:to="loc_us-gaap_DebtInstrumentAxis_22c82eb1-e56c-4b7d-8c0c-2c60d4f39956" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_22c82eb1-e56c-4b7d-8c0c-2c60d4f39956_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_22c82eb1-e56c-4b7d-8c0c-2c60d4f39956" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_22c82eb1-e56c-4b7d-8c0c-2c60d4f39956_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_1747a23c-8126-48b0-b92d-3f923d2fc72f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_22c82eb1-e56c-4b7d-8c0c-2c60d4f39956" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_1747a23c-8126-48b0-b92d-3f923d2fc72f" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_OldSeniorSecuredNotesAndOldUnsecuredNotesMember_ad8d27e7-db19-4270-896c-7c2c9be136dd" xlink:href="clvt-20220630.xsd#clvt_OldSeniorSecuredNotesAndOldUnsecuredNotesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_1747a23c-8126-48b0-b92d-3f923d2fc72f" xlink:to="loc_clvt_OldSeniorSecuredNotesAndOldUnsecuredNotesMember_ad8d27e7-db19-4270-896c-7c2c9be136dd" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_OldSeniorSecuredNotes2028Member_164d972c-92fb-43b7-8532-ff56c3d3dc27" xlink:href="clvt-20220630.xsd#clvt_OldSeniorSecuredNotes2028Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_OldSeniorSecuredNotesAndOldUnsecuredNotesMember_ad8d27e7-db19-4270-896c-7c2c9be136dd" xlink:to="loc_clvt_OldSeniorSecuredNotes2028Member_164d972c-92fb-43b7-8532-ff56c3d3dc27" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_OldSeniorUnsecuredNotes2029Member_ef03dca6-0e0d-4170-b483-f0356618059c" xlink:href="clvt-20220630.xsd#clvt_OldSeniorUnsecuredNotes2029Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_OldSeniorSecuredNotesAndOldUnsecuredNotesMember_ad8d27e7-db19-4270-896c-7c2c9be136dd" xlink:to="loc_clvt_OldSeniorUnsecuredNotes2029Member_ef03dca6-0e0d-4170-b483-f0356618059c" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_NewSeniorSecuredNotes2028AndSeniorUnsecuredNotes2029Member_a13c5a76-25bf-4c46-9537-b45571785d14" xlink:href="clvt-20220630.xsd#clvt_NewSeniorSecuredNotes2028AndSeniorUnsecuredNotes2029Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_1747a23c-8126-48b0-b92d-3f923d2fc72f" xlink:to="loc_clvt_NewSeniorSecuredNotes2028AndSeniorUnsecuredNotes2029Member_a13c5a76-25bf-4c46-9537-b45571785d14" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_NewSeniorSecuredNotes2028Member_a915f212-1f60-4d80-aa77-6c0980eaf823" xlink:href="clvt-20220630.xsd#clvt_NewSeniorSecuredNotes2028Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_NewSeniorSecuredNotes2028AndSeniorUnsecuredNotes2029Member_a13c5a76-25bf-4c46-9537-b45571785d14" xlink:to="loc_clvt_NewSeniorSecuredNotes2028Member_a915f212-1f60-4d80-aa77-6c0980eaf823" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_NewSeniorUnsecuredNotes2029Member_1e38bf58-08f4-4436-be99-ad00a576ec0d" xlink:href="clvt-20220630.xsd#clvt_NewSeniorUnsecuredNotes2029Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_NewSeniorSecuredNotes2028AndSeniorUnsecuredNotes2029Member_a13c5a76-25bf-4c46-9537-b45571785d14" xlink:to="loc_clvt_NewSeniorUnsecuredNotes2029Member_1e38bf58-08f4-4436-be99-ad00a576ec0d" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_0433e479-4b34-4b96-8cc8-78f784cc4e44" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_1ef02a44-0dd7-4af7-932a-74316ccb5a56" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_0433e479-4b34-4b96-8cc8-78f784cc4e44" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_0433e479-4b34-4b96-8cc8-78f784cc4e44_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_0433e479-4b34-4b96-8cc8-78f784cc4e44" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_0433e479-4b34-4b96-8cc8-78f784cc4e44_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_1a28af27-c0f4-4310-ad6a-dacecd30fd07" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_0433e479-4b34-4b96-8cc8-78f784cc4e44" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_1a28af27-c0f4-4310-ad6a-dacecd30fd07" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodOneMember_88c8bbf0-19ff-4791-b4cc-e3080ae0d921" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodOneMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_1a28af27-c0f4-4310-ad6a-dacecd30fd07" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodOneMember_88c8bbf0-19ff-4791-b4cc-e3080ae0d921" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/DebtFairValueDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#DebtFairValueDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/DebtFairValueDetails" xlink:type="extended" id="if895de173ca1465285c11e88e729080d_DebtFairValueDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_ae3dbfbf-efd1-4541-ab2a-52f114473ce7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFairValue_ce3fb1fc-8686-403b-aa8e-68d8b05cfd23" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentFairValue"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_ae3dbfbf-efd1-4541-ab2a-52f114473ce7" xlink:to="loc_us-gaap_DebtInstrumentFairValue_ce3fb1fc-8686-403b-aa8e-68d8b05cfd23" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_1efec400-0a74-4d5a-b945-ea6ccd82839e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_ae3dbfbf-efd1-4541-ab2a-52f114473ce7" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_1efec400-0a74-4d5a-b945-ea6ccd82839e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_c45c7757-cdca-4c32-9c72-5c6c1b0212d3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_1efec400-0a74-4d5a-b945-ea6ccd82839e" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_c45c7757-cdca-4c32-9c72-5c6c1b0212d3" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_c45c7757-cdca-4c32-9c72-5c6c1b0212d3_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_c45c7757-cdca-4c32-9c72-5c6c1b0212d3" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_c45c7757-cdca-4c32-9c72-5c6c1b0212d3_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_6977d503-3d44-4cdc-9fca-4be746cd7082" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_c45c7757-cdca-4c32-9c72-5c6c1b0212d3" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_6977d503-3d44-4cdc-9fca-4be746cd7082" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_0a4465b4-bedf-4ecd-8187-8c6d4003627e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInputsLevel2Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_6977d503-3d44-4cdc-9fca-4be746cd7082" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_0a4465b4-bedf-4ecd-8187-8c6d4003627e" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/RevenueDisaggregatedRevenuesandCosttoObtainaContractDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#RevenueDisaggregatedRevenuesandCosttoObtainaContractDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/RevenueDisaggregatedRevenuesandCosttoObtainaContractDetails" xlink:type="extended" id="iadc4bdf9a4ef4c91a8c04027b1a49494_RevenueDisaggregatedRevenuesandCosttoObtainaContractDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_79ffda83-4fae-443a-9546-d4be09ee5e09" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_RevenueFromContractWithCustomerExcludingAssessedTaxIncludingDeferredRevenuesAdjustment_1eabb64a-1942-43fb-8a52-8680708c55d9" xlink:href="clvt-20220630.xsd#clvt_RevenueFromContractWithCustomerExcludingAssessedTaxIncludingDeferredRevenuesAdjustment"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_79ffda83-4fae-443a-9546-d4be09ee5e09" xlink:to="loc_clvt_RevenueFromContractWithCustomerExcludingAssessedTaxIncludingDeferredRevenuesAdjustment_1eabb64a-1942-43fb-8a52-8680708c55d9" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_9a724c12-147c-48ab-9a5d-e5d71897bea4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_79ffda83-4fae-443a-9546-d4be09ee5e09" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_9a724c12-147c-48ab-9a5d-e5d71897bea4" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_72393709-3c3f-49e9-8251-2f3d25bacb80" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_79ffda83-4fae-443a-9546-d4be09ee5e09" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_72393709-3c3f-49e9-8251-2f3d25bacb80" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_PrepaidSalesCommissions_5e2920cd-118c-4f22-aa80-de46ba99c960" xlink:href="clvt-20220630.xsd#clvt_PrepaidSalesCommissions"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_79ffda83-4fae-443a-9546-d4be09ee5e09" xlink:to="loc_clvt_PrepaidSalesCommissions_5e2920cd-118c-4f22-aa80-de46ba99c960" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ContractwithCustomerLiabilityAdjustments_af761c4d-6700-481a-81a9-ca67c056f7e2" xlink:href="clvt-20220630.xsd#clvt_ContractwithCustomerLiabilityAdjustments"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_79ffda83-4fae-443a-9546-d4be09ee5e09" xlink:to="loc_clvt_ContractwithCustomerLiabilityAdjustments_af761c4d-6700-481a-81a9-ca67c056f7e2" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_32c83c1d-ebf1-4e6b-af20-6a7cf0695cc6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisaggregationOfRevenueTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_79ffda83-4fae-443a-9546-d4be09ee5e09" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_32c83c1d-ebf1-4e6b-af20-6a7cf0695cc6" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_28e57764-dc1a-487c-8783-64c92ffdee45" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductOrServiceAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_32c83c1d-ebf1-4e6b-af20-6a7cf0695cc6" xlink:to="loc_srt_ProductOrServiceAxis_28e57764-dc1a-487c-8783-64c92ffdee45" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_28e57764-dc1a-487c-8783-64c92ffdee45_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductsAndServicesDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_28e57764-dc1a-487c-8783-64c92ffdee45" xlink:to="loc_srt_ProductsAndServicesDomain_28e57764-dc1a-487c-8783-64c92ffdee45_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_40d9a749-28cb-4bdf-996e-c09f97352ad8" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductsAndServicesDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_28e57764-dc1a-487c-8783-64c92ffdee45" xlink:to="loc_srt_ProductsAndServicesDomain_40d9a749-28cb-4bdf-996e-c09f97352ad8" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_SubscriptionRevenuesMember_0becfb6b-e330-4a13-8065-9f76917cabcb" xlink:href="clvt-20220630.xsd#clvt_SubscriptionRevenuesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_40d9a749-28cb-4bdf-996e-c09f97352ad8" xlink:to="loc_clvt_SubscriptionRevenuesMember_0becfb6b-e330-4a13-8065-9f76917cabcb" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_TransactionRevenuesMember_bc417d23-8c65-461d-b8df-d502582dfb00" xlink:href="clvt-20220630.xsd#clvt_TransactionRevenuesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_40d9a749-28cb-4bdf-996e-c09f97352ad8" xlink:to="loc_clvt_TransactionRevenuesMember_bc417d23-8c65-461d-b8df-d502582dfb00" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ReOccurringRevenuesMember_84ff3b9b-c13a-441f-b45a-35cae98addb8" xlink:href="clvt-20220630.xsd#clvt_ReOccurringRevenuesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_40d9a749-28cb-4bdf-996e-c09f97352ad8" xlink:to="loc_clvt_ReOccurringRevenuesMember_84ff3b9b-c13a-441f-b45a-35cae98addb8" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_33464160-4a8b-4b50-95db-237727bf76e2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BalanceSheetLocationAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_32c83c1d-ebf1-4e6b-af20-6a7cf0695cc6" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_33464160-4a8b-4b50-95db-237727bf76e2" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_33464160-4a8b-4b50-95db-237727bf76e2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BalanceSheetLocationDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_33464160-4a8b-4b50-95db-237727bf76e2" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_33464160-4a8b-4b50-95db-237727bf76e2_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_f66516fe-19be-4781-94d3-798aee82b43c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BalanceSheetLocationDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_33464160-4a8b-4b50-95db-237727bf76e2" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_f66516fe-19be-4781-94d3-798aee82b43c" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_PrepaidExpensesMember_7376d142-d080-4fbc-8fbc-d377119d9d43" xlink:href="clvt-20220630.xsd#clvt_PrepaidExpensesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_f66516fe-19be-4781-94d3-798aee82b43c" xlink:to="loc_clvt_PrepaidExpensesMember_7376d142-d080-4fbc-8fbc-d377119d9d43" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncurrentAssetsMember_da9b526d-72e4-4077-a984-551d158d4d76" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherNoncurrentAssetsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_f66516fe-19be-4781-94d3-798aee82b43c" xlink:to="loc_us-gaap_OtherNoncurrentAssetsMember_da9b526d-72e4-4077-a984-551d158d4d76" xlink:type="arc" order="1"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/RevenueTransactionPriceAllocatedtotheRemainingPerformanceObligationDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#RevenueTransactionPriceAllocatedtotheRemainingPerformanceObligationDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/RevenueTransactionPriceAllocatedtotheRemainingPerformanceObligationDetails" xlink:type="extended" id="i159e6129f5b8479894bbd7a03a2c2e16_RevenueTransactionPriceAllocatedtotheRemainingPerformanceObligationDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_632d293d-5c89-4ba9-9760-5001dc587c9a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_e2f5fab4-8c37-4a99-aaaa-3625c2cde01d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligation"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_632d293d-5c89-4ba9-9760-5001dc587c9a" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_e2f5fab4-8c37-4a99-aaaa-3625c2cde01d" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationPercentage_d96fbe06-a6ee-42bd-ad5f-4bc338b51b82" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationPercentage"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_632d293d-5c89-4ba9-9760-5001dc587c9a" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationPercentage_d96fbe06-a6ee-42bd-ad5f-4bc338b51b82" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_RevenueRemainingPerformanceObligationGreaterThanOneYearPercentage_36e1d1bf-eef4-4d60-9093-5cc5cff3f7a4" xlink:href="clvt-20220630.xsd#clvt_RevenueRemainingPerformanceObligationGreaterThanOneYearPercentage"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_632d293d-5c89-4ba9-9760-5001dc587c9a" xlink:to="loc_clvt_RevenueRemainingPerformanceObligationGreaterThanOneYearPercentage_36e1d1bf-eef4-4d60-9093-5cc5cff3f7a4" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_c6db12b0-1fb9-47e9-9ccb-3dcd14e0300d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_632d293d-5c89-4ba9-9760-5001dc587c9a" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_c6db12b0-1fb9-47e9-9ccb-3dcd14e0300d" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_91f7572d-ec9b-4e0b-ac11-d594890ea867" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_632d293d-5c89-4ba9-9760-5001dc587c9a" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_91f7572d-ec9b-4e0b-ac11-d594890ea867" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_4c551b55-311a-4b0a-b3e0-383c762cb6f1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_91f7572d-ec9b-4e0b-ac11-d594890ea867" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_4c551b55-311a-4b0a-b3e0-383c762cb6f1" xlink:type="arc" order="1"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/RevenueTransactionPriceAllocatedtotheRemainingPerformanceObligationDetails_1" xlink:type="simple" xlink:href="clvt-20220630.xsd#RevenueTransactionPriceAllocatedtotheRemainingPerformanceObligationDetails_1"/>
<link:definitionLink xlink:role="http://clarivate.com/role/RevenueTransactionPriceAllocatedtotheRemainingPerformanceObligationDetails_1" xlink:type="extended" id="id42eb04d4bb0457e8a6056f41d61cd4e_RevenueTransactionPriceAllocatedtotheRemainingPerformanceObligationDetails_1">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_632d293d-5c89-4ba9-9760-5001dc587c9a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_e2f5fab4-8c37-4a99-aaaa-3625c2cde01d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligation"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_632d293d-5c89-4ba9-9760-5001dc587c9a" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_e2f5fab4-8c37-4a99-aaaa-3625c2cde01d" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationPercentage_d96fbe06-a6ee-42bd-ad5f-4bc338b51b82" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationPercentage"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_632d293d-5c89-4ba9-9760-5001dc587c9a" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationPercentage_d96fbe06-a6ee-42bd-ad5f-4bc338b51b82" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_RevenueRemainingPerformanceObligationGreaterThanOneYearPercentage_36e1d1bf-eef4-4d60-9093-5cc5cff3f7a4" xlink:href="clvt-20220630.xsd#clvt_RevenueRemainingPerformanceObligationGreaterThanOneYearPercentage"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_632d293d-5c89-4ba9-9760-5001dc587c9a" xlink:to="loc_clvt_RevenueRemainingPerformanceObligationGreaterThanOneYearPercentage_36e1d1bf-eef4-4d60-9093-5cc5cff3f7a4" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_c6db12b0-1fb9-47e9-9ccb-3dcd14e0300d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_632d293d-5c89-4ba9-9760-5001dc587c9a" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_c6db12b0-1fb9-47e9-9ccb-3dcd14e0300d" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_91f7572d-ec9b-4e0b-ac11-d594890ea867" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_632d293d-5c89-4ba9-9760-5001dc587c9a" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_91f7572d-ec9b-4e0b-ac11-d594890ea867" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/ShareholdersEquityDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#ShareholdersEquityDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/ShareholdersEquityDetails" xlink:type="extended" id="if17fab9abc4d4579af364091335779fc_ShareholdersEquityDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_2bb218d4-e759-4c74-b0e3-c6715738ca0b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_2bb218d4-e759-4c74-b0e3-c6715738ca0b" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_CommonStockSharesSubscription_5383478c-9f9b-459b-9bb2-a9fb27220a2d" xlink:href="clvt-20220630.xsd#clvt_CommonStockSharesSubscription"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_clvt_CommonStockSharesSubscription_5383478c-9f9b-459b-9bb2-a9fb27220a2d" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber_16c38c06-cd27-4fea-a940-93504d0e4b97" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber_16c38c06-cd27-4fea-a940-93504d0e4b97" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityNoteStockSplitConversionRatio1_ff8ae131-0fea-4c62-a551-c10cd5f908a0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquityNoteStockSplitConversionRatio1"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_StockholdersEquityNoteStockSplitConversionRatio1_ff8ae131-0fea-4c62-a551-c10cd5f908a0" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesIssued_153560b1-07f9-4000-ac35-e4509628c2dc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockSharesIssued"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_CommonStockSharesIssued_153560b1-07f9-4000-ac35-e4509628c2dc" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_f74002f3-d275-46c6-b0b9-def7914712f6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_f74002f3-d275-46c6-b0b9-def7914712f6" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockShares_70a84008-661c-4e5a-a7f0-e96a8d91a227" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TreasuryStockShares"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_TreasuryStockShares_70a84008-661c-4e5a-a7f0-e96a8d91a227" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_CommonStockVotesPerShare_8a09789d-bddd-41b3-883f-6eff364db569" xlink:href="clvt-20220630.xsd#clvt_CommonStockVotesPerShare"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_clvt_CommonStockVotesPerShare_8a09789d-bddd-41b3-883f-6eff364db569" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_a442877a-c383-4f66-859d-af9be47dd6af" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_a442877a-c383-4f66-859d-af9be47dd6af" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight_c5c11823-fd1b-4923-83ff-555a0a71a165" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight_c5c11823-fd1b-4923-83ff-555a0a71a165" xlink:type="arc" order="9"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightOutstanding_4baeb001-8e43-47f5-b754-757761fc9008" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightOutstanding"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_ClassOfWarrantOrRightOutstanding_4baeb001-8e43-47f5-b754-757761fc9008" xlink:type="arc" order="10"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_7d21fa46-6dab-4ef7-accc-ab54e253be36" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_7d21fa46-6dab-4ef7-accc-ab54e253be36" xlink:type="arc" order="11"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ConsecutiveTradingDayPeriod_558bb177-bb75-4382-9b09-2348708ff0e0" xlink:href="clvt-20220630.xsd#clvt_ConsecutiveTradingDayPeriod"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_clvt_ConsecutiveTradingDayPeriod_558bb177-bb75-4382-9b09-2348708ff0e0" xlink:type="arc" order="12"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_e4dadafc-5337-4e8f-ac2d-2661102119d6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_e4dadafc-5337-4e8f-ac2d-2661102119d6" xlink:type="arc" order="13"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_187fef7c-22fc-412a-a62e-4a465278dd1c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_187fef7c-22fc-412a-a62e-4a465278dd1c" xlink:type="arc" order="14"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockDividendRatePercentage_4092639a-66f6-4697-9afb-16210933547f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockDividendRatePercentage"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_PreferredStockDividendRatePercentage_4092639a-66f6-4697-9afb-16210933547f" xlink:type="arc" order="15"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockLiquidationPreference_6aa32c78-2672-460e-9ac3-19bbb4a97548" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockLiquidationPreference"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_PreferredStockLiquidationPreference_6aa32c78-2672-460e-9ac3-19bbb4a97548" xlink:type="arc" order="16"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockDividendsPerShareDeclared_741ac39c-8b31-4029-b914-10c233bf88c7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockDividendsPerShareDeclared"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_PreferredStockDividendsPerShareDeclared_741ac39c-8b31-4029-b914-10c233bf88c7" xlink:type="arc" order="17"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsCash_df0ae001-4563-4e66-9989-c97d0fc3c9ab" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DividendsCash"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_DividendsCash_df0ae001-4563-4e66-9989-c97d0fc3c9ab" xlink:type="arc" order="18"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockDividendsShares_a217da00-6b3e-4966-965e-8fede1627b70" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockDividendsShares"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_CommonStockDividendsShares_a217da00-6b3e-4966-965e-8fede1627b70" xlink:type="arc" order="19"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueStockDividend_5330dc17-33f2-44dd-abd7-ea7b089d57f7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueStockDividend"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueStockDividend_5330dc17-33f2-44dd-abd7-ea7b089d57f7" xlink:type="arc" order="20"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsPayableCurrentAndNoncurrent_000792fb-1e60-444a-927d-bcf3dd74b7f0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DividendsPayableCurrentAndNoncurrent"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_DividendsPayableCurrentAndNoncurrent_000792fb-1e60-444a-927d-bcf3dd74b7f0" xlink:type="arc" order="21"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockConvertibleConversionRatio_0cbd3d09-4f36-45ea-a600-f013c8242cd7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockConvertibleConversionRatio"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_PreferredStockConvertibleConversionRatio_0cbd3d09-4f36-45ea-a600-f013c8242cd7" xlink:type="arc" order="22"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesAcquisitions_cbbe9b3c-5788-4598-90eb-bc531b73647a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesAcquisitions"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesAcquisitions_cbbe9b3c-5788-4598-90eb-bc531b73647a" xlink:type="arc" order="23"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned_96fba203-a4df-4656-b5f0-527857fd974d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned_96fba203-a4df-4656-b5f0-527857fd974d" xlink:type="arc" order="24"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_TreasuryStockSharesSold_266c8610-0068-417d-b8b3-19160ee5b470" xlink:href="clvt-20220630.xsd#clvt_TreasuryStockSharesSold"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_clvt_TreasuryStockSharesSold_266c8610-0068-417d-b8b3-19160ee5b470" xlink:type="arc" order="25"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_TreasuryStockReissuedAverageCostPerShare_632ad21f-5ae6-408f-bc14-06388a4328b4" xlink:href="clvt-20220630.xsd#clvt_TreasuryStockReissuedAverageCostPerShare"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_clvt_TreasuryStockReissuedAverageCostPerShare_632ad21f-5ae6-408f-bc14-06388a4328b4" xlink:type="arc" order="26"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockAcquiredAverageCostPerShare_e3668f06-f00b-4d29-8ea8-e55a60ba4335" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TreasuryStockAcquiredAverageCostPerShare"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_TreasuryStockAcquiredAverageCostPerShare_e3668f06-f00b-4d29-8ea8-e55a60ba4335" xlink:type="arc" order="27"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_TreasuryStockSoldAtLowerThanRepurchasePrice_b436eef0-4b7d-4ec9-b156-0922412068c1" xlink:href="clvt-20220630.xsd#clvt_TreasuryStockSoldAtLowerThanRepurchasePrice"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_clvt_TreasuryStockSoldAtLowerThanRepurchasePrice_b436eef0-4b7d-4ec9-b156-0922412068c1" xlink:type="arc" order="28"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchaseProgramAuthorizedAmount1_d582f74b-219d-4bc8-b76d-de9a834d0743" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockRepurchaseProgramAuthorizedAmount1"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_StockRepurchaseProgramAuthorizedAmount1_d582f74b-219d-4bc8-b76d-de9a834d0743" xlink:type="arc" order="29"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockSharesRetired_0312b8ac-2f99-4379-9033-b5c23777ff73" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TreasuryStockSharesRetired"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_TreasuryStockSharesRetired_0312b8ac-2f99-4379-9033-b5c23777ff73" xlink:type="arc" order="30"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_TreasuryStockRetiredAverageCostPerShare_33ec638d-a928-4455-96c4-0abfad702b8e" xlink:href="clvt-20220630.xsd#clvt_TreasuryStockRetiredAverageCostPerShare"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_clvt_TreasuryStockRetiredAverageCostPerShare_33ec638d-a928-4455-96c4-0abfad702b8e" xlink:type="arc" order="31"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockRetiredCostMethodAmount_72263062-d806-4316-a1fb-43e27be09d7d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TreasuryStockRetiredCostMethodAmount"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_TreasuryStockRetiredCostMethodAmount_72263062-d806-4316-a1fb-43e27be09d7d" xlink:type="arc" order="32"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_6b87e689-c6aa-4165-afd9-7a9a5893b563" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_6b87e689-c6aa-4165-afd9-7a9a5893b563" xlink:type="arc" order="33"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockSharesAcquired_a9bc9a4f-e3cf-4567-997e-d2344a30a876" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TreasuryStockSharesAcquired"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_TreasuryStockSharesAcquired_a9bc9a4f-e3cf-4567-997e-d2344a30a876" xlink:type="arc" order="34"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValue_9d2263a9-189f-41d5-80e6-6af8ce6b3212" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TreasuryStockValue"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_TreasuryStockValue_9d2263a9-189f-41d5-80e6-6af8ce6b3212" xlink:type="arc" order="35"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonValue_672a724f-a3bf-4d9a-a121-3fe92fa4cc4d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TreasuryStockCommonValue"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_TreasuryStockCommonValue_672a724f-a3bf-4d9a-a121-3fe92fa4cc4d" xlink:type="arc" order="36"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_5460e3ca-e3d8-434e-88ef-d2b5c4bdd750" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherAccruedLiabilitiesCurrent"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrent_5460e3ca-e3d8-434e-88ef-d2b5c4bdd750" xlink:type="arc" order="37"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_1fed4b89-f2f2-4d98-a4cc-396b2e1b59e7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockSharesOutstanding"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_1fed4b89-f2f2-4d98-a4cc-396b2e1b59e7" xlink:type="arc" order="38"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_TreasuryStockValueAcquiredCostMethodSettledInSubsequentPeriod_43f7500e-eafb-4355-b463-5380bc2d7078" xlink:href="clvt-20220630.xsd#clvt_TreasuryStockValueAcquiredCostMethodSettledInSubsequentPeriod"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_clvt_TreasuryStockValueAcquiredCostMethodSettledInSubsequentPeriod_43f7500e-eafb-4355-b463-5380bc2d7078" xlink:type="arc" order="39"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockReissuedAtLowerThanRepurchasePrice_1cb2e1d2-95f0-4215-bb6f-b6b94289cb69" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TreasuryStockReissuedAtLowerThanRepurchasePrice"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_TreasuryStockReissuedAtLowerThanRepurchasePrice_1cb2e1d2-95f0-4215-bb6f-b6b94289cb69" xlink:type="arc" order="40"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesTreasuryStockReissued_57dbee84-dac5-4a1b-a4a6-35adb6746a06" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesTreasuryStockReissued"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesTreasuryStockReissued_57dbee84-dac5-4a1b-a4a6-35adb6746a06" xlink:type="arc" order="41"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockVotingRights_a0b0f66a-7791-4e6d-b390-76e1416ac60d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockVotingRights"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_CommonStockVotingRights_a0b0f66a-7791-4e6d-b390-76e1416ac60d" xlink:type="arc" order="42"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_b527e8b3-7e73-4bec-80f7-01bb260881d5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_b527e8b3-7e73-4bec-80f7-01bb260881d5" xlink:type="arc" order="43"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_216862fb-c53a-4a42-b720-c432a587af88" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7ff98cd8-08bc-45ee-bfbf-f32b666dcead" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_216862fb-c53a-4a42-b720-c432a587af88" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis_40fcb29a-82ec-4e24-bc77-15b40a57e8ef" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinancialInstrumentAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_216862fb-c53a-4a42-b720-c432a587af88" xlink:to="loc_us-gaap_FinancialInstrumentAxis_40fcb29a-82ec-4e24-bc77-15b40a57e8ef" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_40fcb29a-82ec-4e24-bc77-15b40a57e8ef_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_40fcb29a-82ec-4e24-bc77-15b40a57e8ef" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_40fcb29a-82ec-4e24-bc77-15b40a57e8ef_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_322a0c6d-cd1f-45f6-ab9f-b20a94b5ab87" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_40fcb29a-82ec-4e24-bc77-15b40a57e8ef" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_322a0c6d-cd1f-45f6-ab9f-b20a94b5ab87" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_WarrantMember_b695d7b2-1155-417a-881e-dbaffc6b8ac0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WarrantMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_322a0c6d-cd1f-45f6-ab9f-b20a94b5ab87" xlink:to="loc_us-gaap_WarrantMember_b695d7b2-1155-417a-881e-dbaffc6b8ac0" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_SponsorAgreementMember_dd189373-5ae0-429f-bedd-76c389295f79" xlink:href="clvt-20220630.xsd#clvt_SponsorAgreementMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_322a0c6d-cd1f-45f6-ab9f-b20a94b5ab87" xlink:to="loc_clvt_SponsorAgreementMember_dd189373-5ae0-429f-bedd-76c389295f79" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_59fda237-6121-4077-8841-e4de220a4537" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_216862fb-c53a-4a42-b720-c432a587af88" xlink:to="loc_srt_RangeAxis_59fda237-6121-4077-8841-e4de220a4537" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_59fda237-6121-4077-8841-e4de220a4537_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_59fda237-6121-4077-8841-e4de220a4537" xlink:to="loc_srt_RangeMember_59fda237-6121-4077-8841-e4de220a4537_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_a73ae1f1-56df-4f63-8c06-070a22d1e3f2" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_59fda237-6121-4077-8841-e4de220a4537" xlink:to="loc_srt_RangeMember_a73ae1f1-56df-4f63-8c06-070a22d1e3f2" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_2fd9b7c8-ee56-4993-a328-88835d8fad89" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MinimumMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_a73ae1f1-56df-4f63-8c06-070a22d1e3f2" xlink:to="loc_srt_MinimumMember_2fd9b7c8-ee56-4993-a328-88835d8fad89" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_4bf99a10-ea54-4337-a828-96f3b6b16150" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_a73ae1f1-56df-4f63-8c06-070a22d1e3f2" xlink:to="loc_srt_MaximumMember_4bf99a10-ea54-4337-a828-96f3b6b16150" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_ceee722d-70ae-401b-84a1-607877a12b70" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_CounterpartyNameAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_216862fb-c53a-4a42-b720-c432a587af88" xlink:to="loc_srt_CounterpartyNameAxis_ceee722d-70ae-401b-84a1-607877a12b70" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_ceee722d-70ae-401b-84a1-607877a12b70_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_ceee722d-70ae-401b-84a1-607877a12b70" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_ceee722d-70ae-401b-84a1-607877a12b70_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_7968fd1d-2584-4372-8dd7-d8997c95ec3c" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_ceee722d-70ae-401b-84a1-607877a12b70" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_7968fd1d-2584-4372-8dd7-d8997c95ec3c" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ChurchillPublicShareholdersMember_ab5a300e-e607-4f47-8f63-7cc57dda7a45" xlink:href="clvt-20220630.xsd#clvt_ChurchillPublicShareholdersMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_7968fd1d-2584-4372-8dd7-d8997c95ec3c" xlink:to="loc_clvt_ChurchillPublicShareholdersMember_ab5a300e-e607-4f47-8f63-7cc57dda7a45" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_LeonardGreenAndPartnersLPMember_71213d49-c794-422f-929a-b311d1389332" xlink:href="clvt-20220630.xsd#clvt_LeonardGreenAndPartnersLPMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_7968fd1d-2584-4372-8dd7-d8997c95ec3c" xlink:to="loc_clvt_LeonardGreenAndPartnersLPMember_71213d49-c794-422f-929a-b311d1389332" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_2319beea-dfe0-4470-8007-a0f21809fe97" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementClassOfStockAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_216862fb-c53a-4a42-b720-c432a587af88" xlink:to="loc_us-gaap_StatementClassOfStockAxis_2319beea-dfe0-4470-8007-a0f21809fe97" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_2319beea-dfe0-4470-8007-a0f21809fe97_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_2319beea-dfe0-4470-8007-a0f21809fe97" xlink:to="loc_us-gaap_ClassOfStockDomain_2319beea-dfe0-4470-8007-a0f21809fe97_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_4497c2d3-37c1-45c5-befa-2159457fed9f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_2319beea-dfe0-4470-8007-a0f21809fe97" xlink:to="loc_us-gaap_ClassOfStockDomain_4497c2d3-37c1-45c5-befa-2159457fed9f" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_3c499e0c-d53c-4533-8c9a-2ee185fe6585" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonClassAMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_4497c2d3-37c1-45c5-befa-2159457fed9f" xlink:to="loc_us-gaap_CommonClassAMember_3c499e0c-d53c-4533-8c9a-2ee185fe6585" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassBMember_7bc5ede9-9f9f-4d7f-a66c-c8459fca0bf4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonClassBMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_4497c2d3-37c1-45c5-befa-2159457fed9f" xlink:to="loc_us-gaap_CommonClassBMember_7bc5ede9-9f9f-4d7f-a66c-c8459fca0bf4" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesAPreferredStockMember_e6206f01-5b3c-4312-bd52-d0d51bc1faed" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SeriesAPreferredStockMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_4497c2d3-37c1-45c5-befa-2159457fed9f" xlink:to="loc_us-gaap_SeriesAPreferredStockMember_e6206f01-5b3c-4312-bd52-d0d51bc1faed" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameAxis_2f1f694b-40ff-4983-9ce2-7af21e0bc784" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PlanNameAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_216862fb-c53a-4a42-b720-c432a587af88" xlink:to="loc_us-gaap_PlanNameAxis_2f1f694b-40ff-4983-9ce2-7af21e0bc784" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameDomain_2f1f694b-40ff-4983-9ce2-7af21e0bc784_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PlanNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PlanNameAxis_2f1f694b-40ff-4983-9ce2-7af21e0bc784" xlink:to="loc_us-gaap_PlanNameDomain_2f1f694b-40ff-4983-9ce2-7af21e0bc784_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameDomain_5cf12685-f8dd-437b-b000-ecffa62ded56" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PlanNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PlanNameAxis_2f1f694b-40ff-4983-9ce2-7af21e0bc784" xlink:to="loc_us-gaap_PlanNameDomain_5cf12685-f8dd-437b-b000-ecffa62ded56" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ManagementIncentivePlanMember_98548e34-84ec-4168-9139-1c89bca13544" xlink:href="clvt-20220630.xsd#clvt_ManagementIncentivePlanMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_5cf12685-f8dd-437b-b000-ecffa62ded56" xlink:to="loc_clvt_ManagementIncentivePlanMember_98548e34-84ec-4168-9139-1c89bca13544" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_74f890eb-4244-4eea-a78b-81b8278a3ebf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementEquityComponentsAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_216862fb-c53a-4a42-b720-c432a587af88" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_74f890eb-4244-4eea-a78b-81b8278a3ebf" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_74f890eb-4244-4eea-a78b-81b8278a3ebf_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityComponentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_74f890eb-4244-4eea-a78b-81b8278a3ebf" xlink:to="loc_us-gaap_EquityComponentDomain_74f890eb-4244-4eea-a78b-81b8278a3ebf_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_947c5f1e-7bff-4274-bee8-701734ee4559" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityComponentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_74f890eb-4244-4eea-a78b-81b8278a3ebf" xlink:to="loc_us-gaap_EquityComponentDomain_947c5f1e-7bff-4274-bee8-701734ee4559" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_WarrantMember_58d792c7-0891-4be1-885c-479e3b242c15" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WarrantMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_947c5f1e-7bff-4274-bee8-701734ee4559" xlink:to="loc_us-gaap_WarrantMember_58d792c7-0891-4be1-885c-479e3b242c15" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockMember_2b170ac5-9146-4578-a66d-6069e70ed612" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TreasuryStockMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_947c5f1e-7bff-4274-bee8-701734ee4559" xlink:to="loc_us-gaap_TreasuryStockMember_2b170ac5-9146-4578-a66d-6069e70ed612" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_d6d96a2a-afc6-428d-b381-e7dfa08e4772" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RetainedEarningsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_947c5f1e-7bff-4274-bee8-701734ee4559" xlink:to="loc_us-gaap_RetainedEarningsMember_d6d96a2a-afc6-428d-b381-e7dfa08e4772" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_a4e39d63-8ad9-4c2f-a3bc-ff60a63fbc34" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_947c5f1e-7bff-4274-bee8-701734ee4559" xlink:to="loc_us-gaap_CommonStockMember_a4e39d63-8ad9-4c2f-a3bc-ff60a63fbc34" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_9d3a9ff8-4e8d-43d7-ac0d-067f8e0e78c1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_216862fb-c53a-4a42-b720-c432a587af88" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_9d3a9ff8-4e8d-43d7-ac0d-067f8e0e78c1" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_9d3a9ff8-4e8d-43d7-ac0d-067f8e0e78c1_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_9d3a9ff8-4e8d-43d7-ac0d-067f8e0e78c1" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_9d3a9ff8-4e8d-43d7-ac0d-067f8e0e78c1_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_899fa103-bc2e-412f-8b2c-2620ccd1e9d9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_9d3a9ff8-4e8d-43d7-ac0d-067f8e0e78c1" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_899fa103-bc2e-412f-8b2c-2620ccd1e9d9" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_CPAGlobalMember_2bfc1ce6-b493-49c7-985c-2d23b1fd4fcc" xlink:href="clvt-20220630.xsd#clvt_CPAGlobalMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_899fa103-bc2e-412f-8b2c-2620ccd1e9d9" xlink:to="loc_clvt_CPAGlobalMember_2bfc1ce6-b493-49c7-985c-2d23b1fd4fcc" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DecisionResourcesGroupMember_4332365d-fd9d-435b-a1a7-2c70240aed02" xlink:href="clvt-20220630.xsd#clvt_DecisionResourcesGroupMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_899fa103-bc2e-412f-8b2c-2620ccd1e9d9" xlink:to="loc_clvt_DecisionResourcesGroupMember_4332365d-fd9d-435b-a1a7-2c70240aed02" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightAxis_b9ee08e6-b9e5-451f-9e2a-adcf9d0ab53d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_216862fb-c53a-4a42-b720-c432a587af88" xlink:to="loc_us-gaap_ClassOfWarrantOrRightAxis_b9ee08e6-b9e5-451f-9e2a-adcf9d0ab53d" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_b9ee08e6-b9e5-451f-9e2a-adcf9d0ab53d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_b9ee08e6-b9e5-451f-9e2a-adcf9d0ab53d" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_b9ee08e6-b9e5-451f-9e2a-adcf9d0ab53d_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_551c4829-32c1-4a32-a604-b93fa4d3c918" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_b9ee08e6-b9e5-451f-9e2a-adcf9d0ab53d" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_551c4829-32c1-4a32-a604-b93fa4d3c918" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_PublicWarrantMember_e08922d4-6221-4c28-b96f-8544b626ad66" xlink:href="clvt-20220630.xsd#clvt_PublicWarrantMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_551c4829-32c1-4a32-a604-b93fa4d3c918" xlink:to="loc_clvt_PublicWarrantMember_e08922d4-6221-4c28-b96f-8544b626ad66" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsidiarySaleOfStockAxis_eed640bd-0a57-486b-914a-a9b852247906" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsidiarySaleOfStockAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_216862fb-c53a-4a42-b720-c432a587af88" xlink:to="loc_us-gaap_SubsidiarySaleOfStockAxis_eed640bd-0a57-486b-914a-a9b852247906" xlink:type="arc" order="9"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain_eed640bd-0a57-486b-914a-a9b852247906_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SaleOfStockNameOfTransactionDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis_eed640bd-0a57-486b-914a-a9b852247906" xlink:to="loc_us-gaap_SaleOfStockNameOfTransactionDomain_eed640bd-0a57-486b-914a-a9b852247906_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain_05da78c0-6ea9-4eb9-9dfd-09a34a16f7e5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SaleOfStockNameOfTransactionDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis_eed640bd-0a57-486b-914a-a9b852247906" xlink:to="loc_us-gaap_SaleOfStockNameOfTransactionDomain_05da78c0-6ea9-4eb9-9dfd-09a34a16f7e5" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OverAllotmentOptionMember_4f990ddb-5bff-4d54-a1c8-d63c4a3dc6fc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OverAllotmentOptionMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SaleOfStockNameOfTransactionDomain_05da78c0-6ea9-4eb9-9dfd-09a34a16f7e5" xlink:to="loc_us-gaap_OverAllotmentOptionMember_4f990ddb-5bff-4d54-a1c8-d63c4a3dc6fc" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_ca335b6d-26ea-47a7-a505-7bbfbe2a4475" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_216862fb-c53a-4a42-b720-c432a587af88" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_ca335b6d-26ea-47a7-a505-7bbfbe2a4475" xlink:type="arc" order="10"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_ca335b6d-26ea-47a7-a505-7bbfbe2a4475_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_ca335b6d-26ea-47a7-a505-7bbfbe2a4475" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_ca335b6d-26ea-47a7-a505-7bbfbe2a4475_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_ff6b4b70-f899-45e1-8d4d-3c5097f27037" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_ca335b6d-26ea-47a7-a505-7bbfbe2a4475" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_ff6b4b70-f899-45e1-8d4d-3c5097f27037" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_ab19b0d4-a27d-4539-a04f-077664e1e5d9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_ff6b4b70-f899-45e1-8d4d-3c5097f27037" xlink:to="loc_us-gaap_SubsequentEventMember_ab19b0d4-a27d-4539-a04f-077664e1e5d9" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/SharebasedCompensationDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#SharebasedCompensationDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/SharebasedCompensationDetails" xlink:type="extended" id="i01b83a7fe8344751be5239d5627a2fcd_SharebasedCompensationDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_6e7d1e3d-fc5a-4645-a341-634c82e0c819" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_b6db2b93-37ce-4962-a51b-ff5e5fba2151" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_6e7d1e3d-fc5a-4645-a341-634c82e0c819" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_b6db2b93-37ce-4962-a51b-ff5e5fba2151" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_23c15e1d-e055-4f14-9e7c-03668105a8d1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_6e7d1e3d-fc5a-4645-a341-634c82e0c819" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_23c15e1d-e055-4f14-9e7c-03668105a8d1" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_5991791b-f115-4727-9858-1f2554f734ff" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_6e7d1e3d-fc5a-4645-a341-634c82e0c819" xlink:to="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_5991791b-f115-4727-9858-1f2554f734ff" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_a29aa737-cb01-40db-905f-8390acd37a8d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementLocationAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_5991791b-f115-4727-9858-1f2554f734ff" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_a29aa737-cb01-40db-905f-8390acd37a8d" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_a29aa737-cb01-40db-905f-8390acd37a8d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementLocationDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_a29aa737-cb01-40db-905f-8390acd37a8d" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_a29aa737-cb01-40db-905f-8390acd37a8d_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_56a528f8-a6ef-47f3-83f5-3ff6ba827ae2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementLocationDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_a29aa737-cb01-40db-905f-8390acd37a8d" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_56a528f8-a6ef-47f3-83f5-3ff6ba827ae2" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfSalesMember_d1d53cdd-4d7b-418c-a43f-5063f525c23d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CostOfSalesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_56a528f8-a6ef-47f3-83f5-3ff6ba827ae2" xlink:to="loc_us-gaap_CostOfSalesMember_d1d53cdd-4d7b-418c-a43f-5063f525c23d" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_1dd9aee9-1e32-43a8-a6da-8e33bf94d813" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpensesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_56a528f8-a6ef-47f3-83f5-3ff6ba827ae2" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_1dd9aee9-1e32-43a8-a6da-8e33bf94d813" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_d5a8c616-ae9d-48bd-86c8-6c97c8bb1e4e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AwardTypeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_5991791b-f115-4727-9858-1f2554f734ff" xlink:to="loc_us-gaap_AwardTypeAxis_d5a8c616-ae9d-48bd-86c8-6c97c8bb1e4e" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_d5a8c616-ae9d-48bd-86c8-6c97c8bb1e4e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_d5a8c616-ae9d-48bd-86c8-6c97c8bb1e4e" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_d5a8c616-ae9d-48bd-86c8-6c97c8bb1e4e_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_c0867fc1-9d7c-4c7a-9a87-2403488aa117" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_d5a8c616-ae9d-48bd-86c8-6c97c8bb1e4e" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_c0867fc1-9d7c-4c7a-9a87-2403488aa117" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_a19dc460-e89b-4dab-a305-3711c6ab7fa7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_c0867fc1-9d7c-4c7a-9a87-2403488aa117" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_a19dc460-e89b-4dab-a305-3711c6ab7fa7" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PerformanceSharesMember_7207fed8-21a3-4a9f-a7b2-dc55f3be88ef" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PerformanceSharesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_c0867fc1-9d7c-4c7a-9a87-2403488aa117" xlink:to="loc_us-gaap_PerformanceSharesMember_7207fed8-21a3-4a9f-a7b2-dc55f3be88ef" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PhantomShareUnitsPSUsMember_ca32128b-c0db-4720-a597-e381a92fd3f0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PhantomShareUnitsPSUsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_c0867fc1-9d7c-4c7a-9a87-2403488aa117" xlink:to="loc_us-gaap_PhantomShareUnitsPSUsMember_ca32128b-c0db-4720-a597-e381a92fd3f0" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_6560e2bd-ab11-4fb4-86f5-4ab8dcf05f4e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EmployeeStockOptionMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_c0867fc1-9d7c-4c7a-9a87-2403488aa117" xlink:to="loc_us-gaap_EmployeeStockOptionMember_6560e2bd-ab11-4fb4-86f5-4ab8dcf05f4e" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameAxis_f0f714a7-fb87-4b9a-97b8-125e9e36063d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PlanNameAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_5991791b-f115-4727-9858-1f2554f734ff" xlink:to="loc_us-gaap_PlanNameAxis_f0f714a7-fb87-4b9a-97b8-125e9e36063d" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameDomain_f0f714a7-fb87-4b9a-97b8-125e9e36063d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PlanNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PlanNameAxis_f0f714a7-fb87-4b9a-97b8-125e9e36063d" xlink:to="loc_us-gaap_PlanNameDomain_f0f714a7-fb87-4b9a-97b8-125e9e36063d_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameDomain_7bc1b38f-e7ad-4f5e-b9f3-53c21e2c8449" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PlanNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PlanNameAxis_f0f714a7-fb87-4b9a-97b8-125e9e36063d" xlink:to="loc_us-gaap_PlanNameDomain_7bc1b38f-e7ad-4f5e-b9f3-53c21e2c8449" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_IncentiveAwardPlan2019Member_f160d5be-af1b-4b17-8a62-2e5cc437565a" xlink:href="clvt-20220630.xsd#clvt_IncentiveAwardPlan2019Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_7bc1b38f-e7ad-4f5e-b9f3-53c21e2c8449" xlink:to="loc_clvt_IncentiveAwardPlan2019Member_f160d5be-af1b-4b17-8a62-2e5cc437565a" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_1eb95cb2-aab3-464f-9e58-d49a2842cbe2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_e27a1780-92a5-4a60-998c-4ecf141a66d8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_1eb95cb2-aab3-464f-9e58-d49a2842cbe2" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_e27a1780-92a5-4a60-998c-4ecf141a66d8" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_a310dfb4-7d5d-4ef3-93c6-9226a9ba6c6e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_e27a1780-92a5-4a60-998c-4ecf141a66d8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_a310dfb4-7d5d-4ef3-93c6-9226a9ba6c6e" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_4a47ca5e-0873-4300-955e-87b85d6c409d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_e27a1780-92a5-4a60-998c-4ecf141a66d8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_4a47ca5e-0873-4300-955e-87b85d6c409d" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_fc3b16ca-165a-419d-81df-3c447e276756" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_e27a1780-92a5-4a60-998c-4ecf141a66d8" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_fc3b16ca-165a-419d-81df-3c447e276756" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_9471ba83-78d1-48ca-a543-e41acc88ef59" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_e27a1780-92a5-4a60-998c-4ecf141a66d8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_9471ba83-78d1-48ca-a543-e41acc88ef59" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_41b70994-19b3-47d4-9af4-a9671b1dc712" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_e1d85951-1308-4876-901b-861f9d8fddb1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_1eb95cb2-aab3-464f-9e58-d49a2842cbe2" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_e1d85951-1308-4876-901b-861f9d8fddb1" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_2df791ae-ed85-46bb-bacd-6182c5dfd386" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_e1d85951-1308-4876-901b-861f9d8fddb1" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_2df791ae-ed85-46bb-bacd-6182c5dfd386" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_306a484a-b882-412d-8b6c-33c10745dce8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_e1d85951-1308-4876-901b-861f9d8fddb1" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_306a484a-b882-412d-8b6c-33c10745dce8" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_59df2ccb-c566-4032-ba42-dc50f5b7abac" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_e1d85951-1308-4876-901b-861f9d8fddb1" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_59df2ccb-c566-4032-ba42-dc50f5b7abac" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_414fbad9-1c7e-46d6-a383-2d2f6018e7cf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_e1d85951-1308-4876-901b-861f9d8fddb1" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_414fbad9-1c7e-46d6-a383-2d2f6018e7cf" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_984ad1d3-7ad7-4b39-bf3b-c1a79af0ccb1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_aded80a8-aa2f-4b73-8e02-903740179f2a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_1eb95cb2-aab3-464f-9e58-d49a2842cbe2" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_aded80a8-aa2f-4b73-8e02-903740179f2a" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_92528ed3-f000-440e-a1b4-8dc357e2945b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_1eb95cb2-aab3-464f-9e58-d49a2842cbe2" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_92528ed3-f000-440e-a1b4-8dc357e2945b" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_1fb2222d-9c4d-4ed4-8b64-a629d51ea823" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_1eb95cb2-aab3-464f-9e58-d49a2842cbe2" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_1fb2222d-9c4d-4ed4-8b64-a629d51ea823" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_5e53c6d7-9091-496e-86e2-fff183973efd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_1eb95cb2-aab3-464f-9e58-d49a2842cbe2" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_5e53c6d7-9091-496e-86e2-fff183973efd" xlink:type="arc" order="2" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_9d1481c8-3cb5-487e-8809-4ba7043303a5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AwardTypeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_5e53c6d7-9091-496e-86e2-fff183973efd" xlink:to="loc_us-gaap_AwardTypeAxis_9d1481c8-3cb5-487e-8809-4ba7043303a5" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_9d1481c8-3cb5-487e-8809-4ba7043303a5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_08bf449e-cf56-43f7-b854-0cdf094e4c64" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_4ea62974-1050-48a2-9059-d64350727266" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PerformanceSharesMember_9c9a3010-a282-4a0b-929b-2dc824942516" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PerformanceSharesMember"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_e480b9f5-1a92-4999-af99-3ede7139a0ee" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EmployeeStockOptionMember"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/IncomeTaxesIncometaxbenefitexpenseonincomelossbyjurisdictionDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#IncomeTaxesIncometaxbenefitexpenseonincomelossbyjurisdictionDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/IncomeTaxesIncometaxbenefitexpenseonincomelossbyjurisdictionDetails" xlink:type="extended" id="i2e4c47c5b834494caa7cc933e9de32ab_IncomeTaxesIncometaxbenefitexpenseonincomelossbyjurisdictionDetails">
<link:loc xlink:type="locator" xlink:label="loc_clvt_IncomeTaxDisclosureLineItems_5e3d981b-d187-41dc-a395-5355b47a34ee" xlink:href="clvt-20220630.xsd#clvt_IncomeTaxDisclosureLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentFederalStateAndLocalTaxExpenseBenefitAbstract_46a57592-320b-4b09-978b-a9b63d63438d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CurrentFederalStateAndLocalTaxExpenseBenefitAbstract"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_IncomeTaxDisclosureLineItems_5e3d981b-d187-41dc-a395-5355b47a34ee" xlink:to="loc_us-gaap_CurrentFederalStateAndLocalTaxExpenseBenefitAbstract_46a57592-320b-4b09-978b-a9b63d63438d" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentFederalTaxExpenseBenefit_1d7d7994-d20f-4ead-9423-ab4f7491e423" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CurrentFederalTaxExpenseBenefit"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CurrentFederalStateAndLocalTaxExpenseBenefitAbstract_46a57592-320b-4b09-978b-a9b63d63438d" xlink:to="loc_us-gaap_CurrentFederalTaxExpenseBenefit_1d7d7994-d20f-4ead-9423-ab4f7491e423" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentForeignTaxExpenseBenefit_51517129-faf8-487c-bd8e-833836fa8245" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CurrentForeignTaxExpenseBenefit"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CurrentFederalStateAndLocalTaxExpenseBenefitAbstract_46a57592-320b-4b09-978b-a9b63d63438d" xlink:to="loc_us-gaap_CurrentForeignTaxExpenseBenefit_51517129-faf8-487c-bd8e-833836fa8245" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_CurrentOtherIncomeTaxExpenseBenefit_389b86f9-03da-4825-86fb-386ea0164c6d" xlink:href="clvt-20220630.xsd#clvt_CurrentOtherIncomeTaxExpenseBenefit"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CurrentFederalStateAndLocalTaxExpenseBenefitAbstract_46a57592-320b-4b09-978b-a9b63d63438d" xlink:to="loc_clvt_CurrentOtherIncomeTaxExpenseBenefit_389b86f9-03da-4825-86fb-386ea0164c6d" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_f6a365b7-a878-43a6-b674-2d5e885b5182" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CurrentFederalStateAndLocalTaxExpenseBenefitAbstract_46a57592-320b-4b09-978b-a9b63d63438d" xlink:to="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_f6a365b7-a878-43a6-b674-2d5e885b5182" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFederalStateAndLocalTaxExpenseBenefitAbstract_87d73feb-2581-45f1-beed-24b64df20a9c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredFederalStateAndLocalTaxExpenseBenefitAbstract"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_IncomeTaxDisclosureLineItems_5e3d981b-d187-41dc-a395-5355b47a34ee" xlink:to="loc_us-gaap_DeferredFederalStateAndLocalTaxExpenseBenefitAbstract_87d73feb-2581-45f1-beed-24b64df20a9c" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_5aae9166-247d-4571-8be5-c370e8283b63" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredFederalStateAndLocalTaxExpenseBenefitAbstract_87d73feb-2581-45f1-beed-24b64df20a9c" xlink:to="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_5aae9166-247d-4571-8be5-c370e8283b63" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_d307d8c2-79c2-4555-93f0-fc4dfb750dfb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredForeignIncomeTaxExpenseBenefit"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredFederalStateAndLocalTaxExpenseBenefitAbstract_87d73feb-2581-45f1-beed-24b64df20a9c" xlink:to="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_d307d8c2-79c2-4555-93f0-fc4dfb750dfb" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredOtherTaxExpenseBenefit_a03489c0-af0c-455d-a514-a0f7cc2329e5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredOtherTaxExpenseBenefit"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredFederalStateAndLocalTaxExpenseBenefitAbstract_87d73feb-2581-45f1-beed-24b64df20a9c" xlink:to="loc_us-gaap_DeferredOtherTaxExpenseBenefit_a03489c0-af0c-455d-a514-a0f7cc2329e5" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_bdc34969-c57a-4c12-a4f8-ed2467f2287f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredFederalStateAndLocalTaxExpenseBenefitAbstract_87d73feb-2581-45f1-beed-24b64df20a9c" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_bdc34969-c57a-4c12-a4f8-ed2467f2287f" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExaminationPenaltiesExpense_e92b92bd-f2f1-448b-be58-0d3116fd2a45" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxExaminationPenaltiesExpense"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredFederalStateAndLocalTaxExpenseBenefitAbstract_87d73feb-2581-45f1-beed-24b64df20a9c" xlink:to="loc_us-gaap_IncomeTaxExaminationPenaltiesExpense_e92b92bd-f2f1-448b-be58-0d3116fd2a45" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_456ac161-ac47-4104-8f72-00dcb155ee2d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_IncomeTaxDisclosureLineItems_5e3d981b-d187-41dc-a395-5355b47a34ee" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_456ac161-ac47-4104-8f72-00dcb155ee2d" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_EmployeePhantomShareReceivableNonCurrentLiabilitiesFairValueDisclosure_3a706ed8-e3ba-4223-8d95-9266c4553301" xlink:href="clvt-20220630.xsd#clvt_EmployeePhantomShareReceivableNonCurrentLiabilitiesFairValueDisclosure"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_IncomeTaxDisclosureLineItems_5e3d981b-d187-41dc-a395-5355b47a34ee" xlink:to="loc_clvt_EmployeePhantomShareReceivableNonCurrentLiabilitiesFairValueDisclosure_3a706ed8-e3ba-4223-8d95-9266c4553301" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_IncomeTaxDisclosureTable_a0cf45aa-14c1-4331-8d01-589d44dc9037" xlink:href="clvt-20220630.xsd#clvt_IncomeTaxDisclosureTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_clvt_IncomeTaxDisclosureLineItems_5e3d981b-d187-41dc-a395-5355b47a34ee" xlink:to="loc_clvt_IncomeTaxDisclosureTable_a0cf45aa-14c1-4331-8d01-589d44dc9037" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityAxis_c68f2320-8847-41f5-ae7d-19f7b1cbd8c8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxAuthorityAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_clvt_IncomeTaxDisclosureTable_a0cf45aa-14c1-4331-8d01-589d44dc9037" xlink:to="loc_us-gaap_IncomeTaxAuthorityAxis_c68f2320-8847-41f5-ae7d-19f7b1cbd8c8" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_c68f2320-8847-41f5-ae7d-19f7b1cbd8c8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_c68f2320-8847-41f5-ae7d-19f7b1cbd8c8" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_c68f2320-8847-41f5-ae7d-19f7b1cbd8c8_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_b0dcb2b6-b7b0-47db-848c-3d037108af7c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_c68f2320-8847-41f5-ae7d-19f7b1cbd8c8" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_b0dcb2b6-b7b0-47db-848c-3d037108af7c" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_USFederalMember_98e630b0-3970-4f71-8eaf-5dbcad6a74df" xlink:href="clvt-20220630.xsd#clvt_USFederalMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_b0dcb2b6-b7b0-47db-848c-3d037108af7c" xlink:to="loc_clvt_USFederalMember_98e630b0-3970-4f71-8eaf-5dbcad6a74df" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_USStateMember_0ebd2dbd-6d80-49f2-9066-3b176be12b0a" xlink:href="clvt-20220630.xsd#clvt_USStateMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_b0dcb2b6-b7b0-47db-848c-3d037108af7c" xlink:to="loc_clvt_USStateMember_0ebd2dbd-6d80-49f2-9066-3b176be12b0a" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_e7033f14-cfc8-4f57-b544-1dc8fec5b214" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_clvt_IncomeTaxDisclosureTable_a0cf45aa-14c1-4331-8d01-589d44dc9037" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_e7033f14-cfc8-4f57-b544-1dc8fec5b214" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_e7033f14-cfc8-4f57-b544-1dc8fec5b214_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_e7033f14-cfc8-4f57-b544-1dc8fec5b214" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_e7033f14-cfc8-4f57-b544-1dc8fec5b214_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_519a3854-f171-482f-8f8d-ea95ccfcdd3c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_e7033f14-cfc8-4f57-b544-1dc8fec5b214" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_519a3854-f171-482f-8f8d-ea95ccfcdd3c" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_1d1290da-41c1-4e3b-b7be-2ce1d82a5b87" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInputsLevel2Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_519a3854-f171-482f-8f8d-ea95ccfcdd3c" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_1d1290da-41c1-4e3b-b7be-2ce1d82a5b87" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_3edb0a09-75bc-4aac-a38f-04154da02388" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_clvt_IncomeTaxDisclosureTable_a0cf45aa-14c1-4331-8d01-589d44dc9037" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_3edb0a09-75bc-4aac-a38f-04154da02388" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_3edb0a09-75bc-4aac-a38f-04154da02388_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_3edb0a09-75bc-4aac-a38f-04154da02388" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_3edb0a09-75bc-4aac-a38f-04154da02388_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_3d00c82e-2572-4449-913c-5689ffc7844c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_3edb0a09-75bc-4aac-a38f-04154da02388" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_3d00c82e-2572-4449-913c-5689ffc7844c" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_41379049-d9d6-4765-8c85-dd4b90be541f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_3d00c82e-2572-4449-913c-5689ffc7844c" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_41379049-d9d6-4765-8c85-dd4b90be541f" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/IncometaxesDeferredtaxassetsandliabilitiesDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#IncometaxesDeferredtaxassetsandliabilitiesDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/IncometaxesDeferredtaxassetsandliabilitiesDetails" xlink:type="extended" id="ief70f65e7d004eb9ae5b9680cff932c1_IncometaxesDeferredtaxassetsandliabilitiesDetails">
<link:loc xlink:type="locator" xlink:label="loc_clvt_IncomeTaxDisclosureLineItems_c08674a8-17f8-4f11-8ee5-96b8bed592bd" xlink:href="clvt-20220630.xsd#clvt_IncomeTaxDisclosureLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate_874e4472-80fb-4b70-8f5c-2c118f55ce0b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_IncomeTaxDisclosureLineItems_c08674a8-17f8-4f11-8ee5-96b8bed592bd" xlink:to="loc_us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate_874e4472-80fb-4b70-8f5c-2c118f55ce0b" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_e87c50c8-3806-44f5-a2d4-caef8794995c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_IncomeTaxDisclosureLineItems_c08674a8-17f8-4f11-8ee5-96b8bed592bd" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_e87c50c8-3806-44f5-a2d4-caef8794995c" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_ecdc35bd-39a5-4154-8cb0-6ea853f38aab" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_IncomeTaxDisclosureLineItems_c08674a8-17f8-4f11-8ee5-96b8bed592bd" xlink:to="loc_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_ecdc35bd-39a5-4154-8cb0-6ea853f38aab" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLossCarryforwards_19d2b3a9-06f2-4917-a836-90d025f3fb4d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLossCarryforwards"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_IncomeTaxDisclosureLineItems_c08674a8-17f8-4f11-8ee5-96b8bed592bd" xlink:to="loc_us-gaap_OperatingLossCarryforwards_19d2b3a9-06f2-4917-a836-90d025f3fb4d" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TaxCutsAndJobsActOf2017IncomeTaxExpenseBenefit_a5cfd73c-d963-4753-a28f-64a6192a5a6e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TaxCutsAndJobsActOf2017IncomeTaxExpenseBenefit"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_IncomeTaxDisclosureLineItems_c08674a8-17f8-4f11-8ee5-96b8bed592bd" xlink:to="loc_us-gaap_TaxCutsAndJobsActOf2017IncomeTaxExpenseBenefit_a5cfd73c-d963-4753-a28f-64a6192a5a6e" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings_dbbf40df-05de-43ee-ab7f-f9b016154755" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_IncomeTaxDisclosureLineItems_c08674a8-17f8-4f11-8ee5-96b8bed592bd" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings_dbbf40df-05de-43ee-ab7f-f9b016154755" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_IncomeTaxDisclosureTable_1fcfa4c3-dd13-4974-b553-9b37b42ec364" xlink:href="clvt-20220630.xsd#clvt_IncomeTaxDisclosureTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_clvt_IncomeTaxDisclosureLineItems_c08674a8-17f8-4f11-8ee5-96b8bed592bd" xlink:to="loc_clvt_IncomeTaxDisclosureTable_1fcfa4c3-dd13-4974-b553-9b37b42ec364" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityNameAxis_dca4baf8-cf6e-43ce-a563-c26b2f744980" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxAuthorityNameAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_clvt_IncomeTaxDisclosureTable_1fcfa4c3-dd13-4974-b553-9b37b42ec364" xlink:to="loc_us-gaap_IncomeTaxAuthorityNameAxis_dca4baf8-cf6e-43ce-a563-c26b2f744980" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityNameDomain_dca4baf8-cf6e-43ce-a563-c26b2f744980_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxAuthorityNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeTaxAuthorityNameAxis_dca4baf8-cf6e-43ce-a563-c26b2f744980" xlink:to="loc_us-gaap_IncomeTaxAuthorityNameDomain_dca4baf8-cf6e-43ce-a563-c26b2f744980_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityNameDomain_9150c456-c373-4af8-a884-4a3280e3f586" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxAuthorityNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeTaxAuthorityNameAxis_dca4baf8-cf6e-43ce-a563-c26b2f744980" xlink:to="loc_us-gaap_IncomeTaxAuthorityNameDomain_9150c456-c373-4af8-a884-4a3280e3f586" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InternalRevenueServiceIRSMember_871d141a-c3bc-4050-aa85-da7d19b1e212" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InternalRevenueServiceIRSMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityNameDomain_9150c456-c373-4af8-a884-4a3280e3f586" xlink:to="loc_us-gaap_InternalRevenueServiceIRSMember_871d141a-c3bc-4050-aa85-da7d19b1e212" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdministrationOfTheTreasuryBelgiumMember_ff0f53cc-3341-4713-b0eb-296a14f57a5b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AdministrationOfTheTreasuryBelgiumMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityNameDomain_9150c456-c373-4af8-a884-4a3280e3f586" xlink:to="loc_us-gaap_AdministrationOfTheTreasuryBelgiumMember_ff0f53cc-3341-4713-b0eb-296a14f57a5b" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_HerMajestysRevenueAndCustomsHMRCMember_7f7d3770-d20c-473d-9daa-75f8aa955405" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_HerMajestysRevenueAndCustomsHMRCMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityNameDomain_9150c456-c373-4af8-a884-4a3280e3f586" xlink:to="loc_us-gaap_HerMajestysRevenueAndCustomsHMRCMember_7f7d3770-d20c-473d-9daa-75f8aa955405" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NationalTaxAgencyJapanMember_e88dd5d3-b2f9-4d12-b9a8-790eafb7f691" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NationalTaxAgencyJapanMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityNameDomain_9150c456-c373-4af8-a884-4a3280e3f586" xlink:to="loc_us-gaap_NationalTaxAgencyJapanMember_e88dd5d3-b2f9-4d12-b9a8-790eafb7f691" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_AllOtherForeignJurisdictionsMember_e3c66410-1622-425a-988e-b12c5d120249" xlink:href="clvt-20220630.xsd#clvt_AllOtherForeignJurisdictionsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityNameDomain_9150c456-c373-4af8-a884-4a3280e3f586" xlink:to="loc_clvt_AllOtherForeignJurisdictionsMember_e3c66410-1622-425a-988e-b12c5d120249" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_USStateMember_83c57261-9d36-46bf-a616-672baa3d7866" xlink:href="clvt-20220630.xsd#clvt_USStateMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityNameDomain_9150c456-c373-4af8-a884-4a3280e3f586" xlink:to="loc_clvt_USStateMember_83c57261-9d36-46bf-a616-672baa3d7866" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_646e0f38-9e5d-49a8-a16f-e1ea98864275" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_clvt_IncomeTaxDisclosureTable_1fcfa4c3-dd13-4974-b553-9b37b42ec364" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_646e0f38-9e5d-49a8-a16f-e1ea98864275" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_646e0f38-9e5d-49a8-a16f-e1ea98864275_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_646e0f38-9e5d-49a8-a16f-e1ea98864275" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_646e0f38-9e5d-49a8-a16f-e1ea98864275_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_ca7f11c1-bf28-4f07-a476-ccdbba68df25" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_646e0f38-9e5d-49a8-a16f-e1ea98864275" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_ca7f11c1-bf28-4f07-a476-ccdbba68df25" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ProQuestMember_6457e504-c52d-4e1f-83b0-72cca55a6ae2" xlink:href="clvt-20220630.xsd#clvt_ProQuestMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_ca7f11c1-bf28-4f07-a476-ccdbba68df25" xlink:to="loc_clvt_ProQuestMember_6457e504-c52d-4e1f-83b0-72cca55a6ae2" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/IncomeTaxesUncertainTaxPositionsDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#IncomeTaxesUncertainTaxPositionsDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/IncomeTaxesUncertainTaxPositionsDetails" xlink:type="extended" id="id32478b011e448be96d75c21df1e0fdc_IncomeTaxesUncertainTaxPositionsDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxContingencyLineItems_31a8b1f5-69a2-4c1c-a94a-c6e43c4e5eaa" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxContingencyLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromAcquisition_ff0a340b-91a6-473a-b4a3-4acc0151e0fa" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromAcquisition"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_31a8b1f5-69a2-4c1c-a94a-c6e43c4e5eaa" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromAcquisition_ff0a340b-91a6-473a-b4a3-4acc0151e0fa" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxContingencyTable_84a90912-5514-44df-9188-e99178ef0966" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxContingencyTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_31a8b1f5-69a2-4c1c-a94a-c6e43c4e5eaa" xlink:to="loc_us-gaap_IncomeTaxContingencyTable_84a90912-5514-44df-9188-e99178ef0966" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReasonablyPossibleSignificantChangeInUnrecognizedTaxBenefitsByItemAxis_d52b7afa-ba3c-4fef-bd65-69cd511463c7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ReasonablyPossibleSignificantChangeInUnrecognizedTaxBenefitsByItemAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeTaxContingencyTable_84a90912-5514-44df-9188-e99178ef0966" xlink:to="loc_us-gaap_ReasonablyPossibleSignificantChangeInUnrecognizedTaxBenefitsByItemAxis_d52b7afa-ba3c-4fef-bd65-69cd511463c7" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleNatureOfUncertaintyDomain_d52b7afa-ba3c-4fef-bd65-69cd511463c7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleNatureOfUncertaintyDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ReasonablyPossibleSignificantChangeInUnrecognizedTaxBenefitsByItemAxis_d52b7afa-ba3c-4fef-bd65-69cd511463c7" xlink:to="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleNatureOfUncertaintyDomain_d52b7afa-ba3c-4fef-bd65-69cd511463c7_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleNatureOfUncertaintyDomain_4162e12b-5d94-4fcb-ac97-6c42321454d3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleNatureOfUncertaintyDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ReasonablyPossibleSignificantChangeInUnrecognizedTaxBenefitsByItemAxis_d52b7afa-ba3c-4fef-bd65-69cd511463c7" xlink:to="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleNatureOfUncertaintyDomain_4162e12b-5d94-4fcb-ac97-6c42321454d3" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_TaxUncertaintyInIsraelMember_30e302d0-db0b-439f-ae83-3b24d6bfcba8" xlink:href="clvt-20220630.xsd#clvt_TaxUncertaintyInIsraelMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleNatureOfUncertaintyDomain_4162e12b-5d94-4fcb-ac97-6c42321454d3" xlink:to="loc_clvt_TaxUncertaintyInIsraelMember_30e302d0-db0b-439f-ae83-3b24d6bfcba8" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/EarningsperShareNarrativeDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#EarningsperShareNarrativeDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/EarningsperShareNarrativeDetails" xlink:type="extended" id="i08dce231472e4828832f1a2289990d55_EarningsperShareNarrativeDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_fa763645-2bee-4721-a553-3ccbb65e2685" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_9c54c738-3b7a-43b3-a3b8-88752c60e359" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_fa763645-2bee-4721-a553-3ccbb65e2685" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_9c54c738-3b7a-43b3-a3b8-88752c60e359" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_713e9297-7f9c-4dd1-9c68-6a33dd4971da" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_fa763645-2bee-4721-a553-3ccbb65e2685" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_713e9297-7f9c-4dd1-9c68-6a33dd4971da" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_dba442e4-f282-482a-9062-c174ea836ce3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_fa763645-2bee-4721-a553-3ccbb65e2685" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_dba442e4-f282-482a-9062-c174ea836ce3" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_1e3e1fe7-dcb2-491a-9e37-060a314561af" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_fa763645-2bee-4721-a553-3ccbb65e2685" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_1e3e1fe7-dcb2-491a-9e37-060a314561af" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameAxis_283e1259-0d95-47d3-9ed3-0be7346f302e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PlanNameAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_1e3e1fe7-dcb2-491a-9e37-060a314561af" xlink:to="loc_us-gaap_PlanNameAxis_283e1259-0d95-47d3-9ed3-0be7346f302e" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameDomain_283e1259-0d95-47d3-9ed3-0be7346f302e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PlanNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PlanNameAxis_283e1259-0d95-47d3-9ed3-0be7346f302e" xlink:to="loc_us-gaap_PlanNameDomain_283e1259-0d95-47d3-9ed3-0be7346f302e_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameDomain_e9e80fee-7da0-4c47-abad-4d5bf1e5c635" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PlanNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PlanNameAxis_283e1259-0d95-47d3-9ed3-0be7346f302e" xlink:to="loc_us-gaap_PlanNameDomain_e9e80fee-7da0-4c47-abad-4d5bf1e5c635" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_A2019IncentiveAwardPlanMember_2e257a8a-576e-45ee-a1dd-2306b6bf2194" xlink:href="clvt-20220630.xsd#clvt_A2019IncentiveAwardPlanMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_e9e80fee-7da0-4c47-abad-4d5bf1e5c635" xlink:to="loc_clvt_A2019IncentiveAwardPlanMember_2e257a8a-576e-45ee-a1dd-2306b6bf2194" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_PrivateWarrantsMember_30cdb7ae-169e-4cab-9ef7-1de8abefba0e" xlink:href="clvt-20220630.xsd#clvt_PrivateWarrantsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_e9e80fee-7da0-4c47-abad-4d5bf1e5c635" xlink:to="loc_clvt_PrivateWarrantsMember_30cdb7ae-169e-4cab-9ef7-1de8abefba0e" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_PrivatePlacementWarrantMember_2e6ab955-3f69-4729-869b-904d72732fcf" xlink:href="clvt-20220630.xsd#clvt_PrivatePlacementWarrantMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_e9e80fee-7da0-4c47-abad-4d5bf1e5c635" xlink:to="loc_clvt_PrivatePlacementWarrantMember_2e6ab955-3f69-4729-869b-904d72732fcf" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_3be8e991-e162-4cb4-8399-fa0326875acf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AwardTypeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_1e3e1fe7-dcb2-491a-9e37-060a314561af" xlink:to="loc_us-gaap_AwardTypeAxis_3be8e991-e162-4cb4-8399-fa0326875acf" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3be8e991-e162-4cb4-8399-fa0326875acf_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_3be8e991-e162-4cb4-8399-fa0326875acf" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3be8e991-e162-4cb4-8399-fa0326875acf_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_f076df7c-ddba-4300-8b58-be2a9b81afc5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_3be8e991-e162-4cb4-8399-fa0326875acf" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_f076df7c-ddba-4300-8b58-be2a9b81afc5" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_PrivatePlacementWarrantMember_1a61b89e-6e43-4421-87c0-139337264b0f" xlink:href="clvt-20220630.xsd#clvt_PrivatePlacementWarrantMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_f076df7c-ddba-4300-8b58-be2a9b81afc5" xlink:to="loc_clvt_PrivatePlacementWarrantMember_1a61b89e-6e43-4421-87c0-139337264b0f" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_f2496bc5-843c-4a26-9473-3f9d83082ae9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_f076df7c-ddba-4300-8b58-be2a9b81afc5" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_f2496bc5-843c-4a26-9473-3f9d83082ae9" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PerformanceSharesMember_8ca713d1-e181-452e-bac8-95b2912ed743" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PerformanceSharesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_f076df7c-ddba-4300-8b58-be2a9b81afc5" xlink:to="loc_us-gaap_PerformanceSharesMember_8ca713d1-e181-452e-bac8-95b2912ed743" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_c835fd25-ebfc-41fa-aea7-696e57c5996d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementClassOfStockAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_1e3e1fe7-dcb2-491a-9e37-060a314561af" xlink:to="loc_us-gaap_StatementClassOfStockAxis_c835fd25-ebfc-41fa-aea7-696e57c5996d" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_c835fd25-ebfc-41fa-aea7-696e57c5996d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_c835fd25-ebfc-41fa-aea7-696e57c5996d" xlink:to="loc_us-gaap_ClassOfStockDomain_c835fd25-ebfc-41fa-aea7-696e57c5996d_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_c855d389-006e-4000-a2bb-4e22cf190761" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_c835fd25-ebfc-41fa-aea7-696e57c5996d" xlink:to="loc_us-gaap_ClassOfStockDomain_c855d389-006e-4000-a2bb-4e22cf190761" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesAPreferredStockMember_49e60752-b886-4647-b9cb-8108e5adba9a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SeriesAPreferredStockMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_c855d389-006e-4000-a2bb-4e22cf190761" xlink:to="loc_us-gaap_SeriesAPreferredStockMember_49e60752-b886-4647-b9cb-8108e5adba9a" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_ad19d32d-2d48-42da-b28f-60d5b5466740" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_1e3e1fe7-dcb2-491a-9e37-060a314561af" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_ad19d32d-2d48-42da-b28f-60d5b5466740" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_ad19d32d-2d48-42da-b28f-60d5b5466740_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_ad19d32d-2d48-42da-b28f-60d5b5466740" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_ad19d32d-2d48-42da-b28f-60d5b5466740_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_e7ceced1-108b-4430-a09c-0d758481604c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_ad19d32d-2d48-42da-b28f-60d5b5466740" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_e7ceced1-108b-4430-a09c-0d758481604c" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_WarrantAndShareBasedPaymentArrangementMember_3ea7795a-2954-49f1-a047-b4cda4fe1919" xlink:href="clvt-20220630.xsd#clvt_WarrantAndShareBasedPaymentArrangementMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_e7ceced1-108b-4430-a09c-0d758481604c" xlink:to="loc_clvt_WarrantAndShareBasedPaymentArrangementMember_3ea7795a-2954-49f1-a047-b4cda4fe1919" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesAPreferredStockMember_712237b5-38fd-4a59-9483-cb74e31a0944" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SeriesAPreferredStockMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_e7ceced1-108b-4430-a09c-0d758481604c" xlink:to="loc_us-gaap_SeriesAPreferredStockMember_712237b5-38fd-4a59-9483-cb74e31a0944" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_dd04f175-d5d3-4bee-b072-ae8ce276400b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementEquityComponentsAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_1e3e1fe7-dcb2-491a-9e37-060a314561af" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_dd04f175-d5d3-4bee-b072-ae8ce276400b" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_dd04f175-d5d3-4bee-b072-ae8ce276400b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityComponentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_dd04f175-d5d3-4bee-b072-ae8ce276400b" xlink:to="loc_us-gaap_EquityComponentDomain_dd04f175-d5d3-4bee-b072-ae8ce276400b_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_eee90588-84b0-4870-bae3-25bb89746d14" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityComponentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_dd04f175-d5d3-4bee-b072-ae8ce276400b" xlink:to="loc_us-gaap_EquityComponentDomain_eee90588-84b0-4870-bae3-25bb89746d14" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_e70b9213-ec38-4649-9e6e-ef19f3abcbb7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_eee90588-84b0-4870-bae3-25bb89746d14" xlink:to="loc_us-gaap_CommonStockMember_e70b9213-ec38-4649-9e6e-ef19f3abcbb7" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/ProductandGeographicSalesInformationNarrativeDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#ProductandGeographicSalesInformationNarrativeDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/ProductandGeographicSalesInformationNarrativeDetails" xlink:type="extended" id="i279f603cd2ad43c1bf46e4057c9755ca_ProductandGeographicSalesInformationNarrativeDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_23550b61-0a47-4e85-9ee8-ff0c47fc5a18" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfOperatingSegments_a3a50250-9d92-4db9-8843-e6dc5e4bd2e0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NumberOfOperatingSegments"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_23550b61-0a47-4e85-9ee8-ff0c47fc5a18" xlink:to="loc_us-gaap_NumberOfOperatingSegments_a3a50250-9d92-4db9-8843-e6dc5e4bd2e0" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfReportableSegments_ec8d5272-4718-4533-a533-ef7e66e816b9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NumberOfReportableSegments"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_23550b61-0a47-4e85-9ee8-ff0c47fc5a18" xlink:to="loc_us-gaap_NumberOfReportableSegments_ec8d5272-4718-4533-a533-ef7e66e816b9" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseImpairmentLoss_86872837-d2ea-42c7-8b47-0684185469e4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseImpairmentLoss"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_23550b61-0a47-4e85-9ee8-ff0c47fc5a18" xlink:to="loc_us-gaap_OperatingLeaseImpairmentLoss_86872837-d2ea-42c7-8b47-0684185469e4" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_0a067881-51e5-45bc-8fe9-77f6b2177e12" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConcentrationRiskPercentage1"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_23550b61-0a47-4e85-9ee8-ff0c47fc5a18" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_0a067881-51e5-45bc-8fe9-77f6b2177e12" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_4438f840-190f-4620-93f4-0bf96e84f3ab" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisaggregationOfRevenueTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_23550b61-0a47-4e85-9ee8-ff0c47fc5a18" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_4438f840-190f-4620-93f4-0bf96e84f3ab" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_b20ac963-a9ef-4c30-a2f7-9e06a248f4a4" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_4438f840-190f-4620-93f4-0bf96e84f3ab" xlink:to="loc_srt_RangeAxis_b20ac963-a9ef-4c30-a2f7-9e06a248f4a4" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_b20ac963-a9ef-4c30-a2f7-9e06a248f4a4_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_b20ac963-a9ef-4c30-a2f7-9e06a248f4a4" xlink:to="loc_srt_RangeMember_b20ac963-a9ef-4c30-a2f7-9e06a248f4a4_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_8ac319a0-9839-4975-896c-90acac88a2c3" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_b20ac963-a9ef-4c30-a2f7-9e06a248f4a4" xlink:to="loc_srt_RangeMember_8ac319a0-9839-4975-896c-90acac88a2c3" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_e685887c-205d-471a-b4e0-dd58f484e2e0" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_8ac319a0-9839-4975-896c-90acac88a2c3" xlink:to="loc_srt_MaximumMember_e685887c-205d-471a-b4e0-dd58f484e2e0" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_959d0f64-efef-4612-a59e-9039cecbdb01" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_4438f840-190f-4620-93f4-0bf96e84f3ab" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_959d0f64-efef-4612-a59e-9039cecbdb01" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_959d0f64-efef-4612-a59e-9039cecbdb01_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_959d0f64-efef-4612-a59e-9039cecbdb01" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_959d0f64-efef-4612-a59e-9039cecbdb01_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_5006f042-d133-4bb8-a7fe-b98ad58d3e71" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_959d0f64-efef-4612-a59e-9039cecbdb01" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_5006f042-d133-4bb8-a7fe-b98ad58d3e71" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerMember_03cb26d4-7159-4ecc-a2a0-020dc0e16b0d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_5006f042-d133-4bb8-a7fe-b98ad58d3e71" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerMember_03cb26d4-7159-4ecc-a2a0-020dc0e16b0d" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_0ce71036-c9b0-4d40-92e0-5de91264af81" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConcentrationRiskByTypeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_4438f840-190f-4620-93f4-0bf96e84f3ab" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_0ce71036-c9b0-4d40-92e0-5de91264af81" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_0ce71036-c9b0-4d40-92e0-5de91264af81_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_0ce71036-c9b0-4d40-92e0-5de91264af81" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_0ce71036-c9b0-4d40-92e0-5de91264af81_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_047da0ac-62c3-45ef-af76-f44fd28191a1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_0ce71036-c9b0-4d40-92e0-5de91264af81" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_047da0ac-62c3-45ef-af76-f44fd28191a1" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerConcentrationRiskMember_6a8240af-6cad-48fb-bc41-544393abf7a1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CustomerConcentrationRiskMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_047da0ac-62c3-45ef-af76-f44fd28191a1" xlink:to="loc_us-gaap_CustomerConcentrationRiskMember_6a8240af-6cad-48fb-bc41-544393abf7a1" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_9c406d2c-b365-4b88-8341-db4a1c00d368" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_StatementGeographicalAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_4438f840-190f-4620-93f4-0bf96e84f3ab" xlink:to="loc_srt_StatementGeographicalAxis_9c406d2c-b365-4b88-8341-db4a1c00d368" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_9c406d2c-b365-4b88-8341-db4a1c00d368_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_SegmentGeographicalDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_9c406d2c-b365-4b88-8341-db4a1c00d368" xlink:to="loc_srt_SegmentGeographicalDomain_9c406d2c-b365-4b88-8341-db4a1c00d368_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_0445c4af-a153-4d93-aa5a-c7e865101c6c" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_SegmentGeographicalDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_9c406d2c-b365-4b88-8341-db4a1c00d368" xlink:to="loc_srt_SegmentGeographicalDomain_0445c4af-a153-4d93-aa5a-c7e865101c6c" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_country_US_b91402e1-4abc-486f-a96b-0658ca6e95e1" xlink:href="https://xbrl.sec.gov/country/2021/country-2021.xsd#country_US"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_0445c4af-a153-4d93-aa5a-c7e865101c6c" xlink:to="loc_country_US_b91402e1-4abc-486f-a96b-0658ca6e95e1" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MajorCustomersAxis_0fa07b14-3a28-409d-8e3f-34b110bcf7d3" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MajorCustomersAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_4438f840-190f-4620-93f4-0bf96e84f3ab" xlink:to="loc_srt_MajorCustomersAxis_0fa07b14-3a28-409d-8e3f-34b110bcf7d3" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_0fa07b14-3a28-409d-8e3f-34b110bcf7d3_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_NameOfMajorCustomerDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_MajorCustomersAxis_0fa07b14-3a28-409d-8e3f-34b110bcf7d3" xlink:to="loc_srt_NameOfMajorCustomerDomain_0fa07b14-3a28-409d-8e3f-34b110bcf7d3_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_2fc13b06-0197-45a7-a429-1f223938cbe7" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_NameOfMajorCustomerDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_MajorCustomersAxis_0fa07b14-3a28-409d-8e3f-34b110bcf7d3" xlink:to="loc_srt_NameOfMajorCustomerDomain_2fc13b06-0197-45a7-a429-1f223938cbe7" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_TenLargestCustomersMember_7fcb021a-83b3-47e6-8651-bf682f50a2e9" xlink:href="clvt-20220630.xsd#clvt_TenLargestCustomersMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_2fc13b06-0197-45a7-a429-1f223938cbe7" xlink:to="loc_clvt_TenLargestCustomersMember_7fcb021a-83b3-47e6-8651-bf682f50a2e9" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/ProductandGeographicSalesInformationRevenuebySegmentDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#ProductandGeographicSalesInformationRevenuebySegmentDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/ProductandGeographicSalesInformationRevenuebySegmentDetails" xlink:type="extended" id="i371e99650ae74c32b8434323c6059ac0_ProductandGeographicSalesInformationRevenuebySegmentDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_5ff4bf91-dd4d-4783-a1a7-0b14db88b12e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_13368177-9a77-4c8e-a1ba-0824e72287c3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_5ff4bf91-dd4d-4783-a1a7-0b14db88b12e" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_13368177-9a77-4c8e-a1ba-0824e72287c3" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_0bc6d3cb-00fd-4022-bb06-5b39fdd6b8a3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisaggregationOfRevenueTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_5ff4bf91-dd4d-4783-a1a7-0b14db88b12e" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_0bc6d3cb-00fd-4022-bb06-5b39fdd6b8a3" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_ccc21445-8e66-423b-98d6-355e9a8a9e1a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_0bc6d3cb-00fd-4022-bb06-5b39fdd6b8a3" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_ccc21445-8e66-423b-98d6-355e9a8a9e1a" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_ccc21445-8e66-423b-98d6-355e9a8a9e1a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_ccc21445-8e66-423b-98d6-355e9a8a9e1a" xlink:to="loc_us-gaap_SegmentDomain_ccc21445-8e66-423b-98d6-355e9a8a9e1a_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_4a8df477-280b-4f50-a5a7-9783de9c494d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_ccc21445-8e66-423b-98d6-355e9a8a9e1a" xlink:to="loc_us-gaap_SegmentDomain_4a8df477-280b-4f50-a5a7-9783de9c494d" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ScienceGroupMember_48461bcd-40ca-4e99-a173-45b339f5eaa5" xlink:href="clvt-20220630.xsd#clvt_ScienceGroupMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_4a8df477-280b-4f50-a5a7-9783de9c494d" xlink:to="loc_clvt_ScienceGroupMember_48461bcd-40ca-4e99-a173-45b339f5eaa5" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_IntellectualPropertyGroupMember_2be244be-704e-4a91-ab37-808431c09b5f" xlink:href="clvt-20220630.xsd#clvt_IntellectualPropertyGroupMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_4a8df477-280b-4f50-a5a7-9783de9c494d" xlink:to="loc_clvt_IntellectualPropertyGroupMember_2be244be-704e-4a91-ab37-808431c09b5f" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_8e23c956-7471-4212-ab07-1aaf00a8f58c" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductOrServiceAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_0bc6d3cb-00fd-4022-bb06-5b39fdd6b8a3" xlink:to="loc_srt_ProductOrServiceAxis_8e23c956-7471-4212-ab07-1aaf00a8f58c" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_8e23c956-7471-4212-ab07-1aaf00a8f58c_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductsAndServicesDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_8e23c956-7471-4212-ab07-1aaf00a8f58c" xlink:to="loc_srt_ProductsAndServicesDomain_8e23c956-7471-4212-ab07-1aaf00a8f58c_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_8b8aa7db-e8d9-4271-b4c9-4cae27e924e2" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductsAndServicesDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_8e23c956-7471-4212-ab07-1aaf00a8f58c" xlink:to="loc_srt_ProductsAndServicesDomain_8b8aa7db-e8d9-4271-b4c9-4cae27e924e2" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_IpManagementProductLineMember_8e599e14-ee81-4bb5-8fca-4fa869bf64b9" xlink:href="clvt-20220630.xsd#clvt_IpManagementProductLineMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_8b8aa7db-e8d9-4271-b4c9-4cae27e924e2" xlink:to="loc_clvt_IpManagementProductLineMember_8e599e14-ee81-4bb5-8fca-4fa869bf64b9" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/ProductandGeographicSalesInformationAdjustedEBITDAbySegmentDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#ProductandGeographicSalesInformationAdjustedEBITDAbySegmentDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/ProductandGeographicSalesInformationAdjustedEBITDAbySegmentDetails" xlink:type="extended" id="ie464c6847e12422cbc968ba608d24781_ProductandGeographicSalesInformationAdjustedEBITDAbySegmentDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_1b3f59a3-4612-43ae-99ca-dab295e171fe" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentReportingInformationLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_AdjustedEBITDA_375de06d-20f0-440a-a5bf-d7b9d6d6829d" xlink:href="clvt-20220630.xsd#clvt_AdjustedEBITDA"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_1b3f59a3-4612-43ae-99ca-dab295e171fe" xlink:to="loc_clvt_AdjustedEBITDA_375de06d-20f0-440a-a5bf-d7b9d6d6829d" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_c92e812e-5d28-49a2-a89a-76352949f117" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_1b3f59a3-4612-43ae-99ca-dab295e171fe" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_c92e812e-5d28-49a2-a89a-76352949f117" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_36821a15-b00a-4aa0-acba-ffdf7fd97df2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_1b3f59a3-4612-43ae-99ca-dab295e171fe" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_36821a15-b00a-4aa0-acba-ffdf7fd97df2" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_d9bd68a1-c28a-4156-aafb-0cbca54571c4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestExpense"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_1b3f59a3-4612-43ae-99ca-dab295e171fe" xlink:to="loc_us-gaap_InterestExpense_d9bd68a1-c28a-4156-aafb-0cbca54571c4" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_TransitionServicesAgreementCosts_78f4e18f-ef0b-425d-92f5-b5a1451b460d" xlink:href="clvt-20220630.xsd#clvt_TransitionServicesAgreementCosts"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_1b3f59a3-4612-43ae-99ca-dab295e171fe" xlink:to="loc_clvt_TransitionServicesAgreementCosts_78f4e18f-ef0b-425d-92f5-b5a1451b460d" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationIntegrationRelatedCosts_dcf6f019-f225-4f34-a1cf-892782c60d24" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationIntegrationRelatedCosts"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_1b3f59a3-4612-43ae-99ca-dab295e171fe" xlink:to="loc_us-gaap_BusinessCombinationIntegrationRelatedCosts_dcf6f019-f225-4f34-a1cf-892782c60d24" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAdjustmentOfWarrants_f0fa9699-fa5f-450d-bf5f-451435effa4b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAdjustmentOfWarrants"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_1b3f59a3-4612-43ae-99ca-dab295e171fe" xlink:to="loc_us-gaap_FairValueAdjustmentOfWarrants_f0fa9699-fa5f-450d-bf5f-451435effa4b" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DeferredRevenuesAdjustment_d006a813-50d4-46f0-b93d-a165ea26436b" xlink:href="clvt-20220630.xsd#clvt_DeferredRevenuesAdjustment"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_1b3f59a3-4612-43ae-99ca-dab295e171fe" xlink:to="loc_clvt_DeferredRevenuesAdjustment_d006a813-50d4-46f0-b93d-a165ea26436b" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_30e1db01-8249-49ec-a4e0-3c8500d6c462" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationAcquisitionRelatedCosts"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_1b3f59a3-4612-43ae-99ca-dab295e171fe" xlink:to="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_30e1db01-8249-49ec-a4e0-3c8500d6c462" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_35012e22-cbfa-466f-bda7-3431200cc9fe" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_1b3f59a3-4612-43ae-99ca-dab295e171fe" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_35012e22-cbfa-466f-bda7-3431200cc9fe" xlink:type="arc" order="9"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets1_fbb9cdbc-ea0f-49c7-9e95-2d362acddcfb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets1"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_1b3f59a3-4612-43ae-99ca-dab295e171fe" xlink:to="loc_us-gaap_GainLossOnDispositionOfAssets1_fbb9cdbc-ea0f-49c7-9e95-2d362acddcfb" xlink:type="arc" order="10"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_WriteDownOfTaxIndemnityAsset_923e6fbb-9654-444b-84c8-650100eb1354" xlink:href="clvt-20220630.xsd#clvt_WriteDownOfTaxIndemnityAsset"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_1b3f59a3-4612-43ae-99ca-dab295e171fe" xlink:to="loc_clvt_WriteDownOfTaxIndemnityAsset_923e6fbb-9654-444b-84c8-650100eb1354" xlink:type="arc" order="11"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_AdjustedOperatingMargin_3dd497da-5005-42b4-b6bd-5416665b9fa1" xlink:href="clvt-20220630.xsd#clvt_AdjustedOperatingMargin"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_1b3f59a3-4612-43ae-99ca-dab295e171fe" xlink:to="loc_clvt_AdjustedOperatingMargin_3dd497da-5005-42b4-b6bd-5416665b9fa1" xlink:type="arc" order="12"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LitigationSettlementExpense_3624cba4-0b2b-419f-bdab-9b709e482f7d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LitigationSettlementExpense"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_1b3f59a3-4612-43ae-99ca-dab295e171fe" xlink:to="loc_us-gaap_LitigationSettlementExpense_3624cba4-0b2b-419f-bdab-9b709e482f7d" xlink:type="arc" order="13"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf_84eda867-173f-495c-8d50-f6035fba13af" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_1b3f59a3-4612-43ae-99ca-dab295e171fe" xlink:to="loc_us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf_84eda867-173f-495c-8d50-f6035fba13af" xlink:type="arc" order="14"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringSettlementAndImpairmentProvisions_8ae41af2-10b9-4a79-a502-3eecd66834ec" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestructuringSettlementAndImpairmentProvisions"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_1b3f59a3-4612-43ae-99ca-dab295e171fe" xlink:to="loc_us-gaap_RestructuringSettlementAndImpairmentProvisions_8ae41af2-10b9-4a79-a502-3eecd66834ec" xlink:type="arc" order="15"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_OtherReconcilingItemsEBITDAToNetIncomeLossAttributableToParent_af9e9d95-eb8a-4cbe-8556-34fe3ad65681" xlink:href="clvt-20220630.xsd#clvt_OtherReconcilingItemsEBITDAToNetIncomeLossAttributableToParent"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_1b3f59a3-4612-43ae-99ca-dab295e171fe" xlink:to="loc_clvt_OtherReconcilingItemsEBITDAToNetIncomeLossAttributableToParent_af9e9d95-eb8a-4cbe-8556-34fe3ad65681" xlink:type="arc" order="16"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_116800e9-6a9f-4635-bb9a-8539be15e235" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetIncomeLoss"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_1b3f59a3-4612-43ae-99ca-dab295e171fe" xlink:to="loc_us-gaap_NetIncomeLoss_116800e9-6a9f-4635-bb9a-8539be15e235" xlink:type="arc" order="17"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockDividendsIncomeStatementImpact_429a4afc-25b3-4fa1-9098-c4fdf7eebfe5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockDividendsIncomeStatementImpact"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_1b3f59a3-4612-43ae-99ca-dab295e171fe" xlink:to="loc_us-gaap_PreferredStockDividendsIncomeStatementImpact_429a4afc-25b3-4fa1-9098-c4fdf7eebfe5" xlink:type="arc" order="18"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_748f2a18-be51-4463-9b01-64ec4a5e5528" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_1b3f59a3-4612-43ae-99ca-dab295e171fe" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_748f2a18-be51-4463-9b01-64ec4a5e5528" xlink:type="arc" order="19"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_8ca98467-409c-44f8-8dd2-f3f7433cd833" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_1b3f59a3-4612-43ae-99ca-dab295e171fe" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_8ca98467-409c-44f8-8dd2-f3f7433cd833" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_2f2b33b2-91e9-4949-915d-bfcdfd0a75a0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_8ca98467-409c-44f8-8dd2-f3f7433cd833" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_2f2b33b2-91e9-4949-915d-bfcdfd0a75a0" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_2f2b33b2-91e9-4949-915d-bfcdfd0a75a0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_2f2b33b2-91e9-4949-915d-bfcdfd0a75a0" xlink:to="loc_us-gaap_SegmentDomain_2f2b33b2-91e9-4949-915d-bfcdfd0a75a0_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_f1529703-9bc7-462f-8acd-ed9ab2c1e17e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_2f2b33b2-91e9-4949-915d-bfcdfd0a75a0" xlink:to="loc_us-gaap_SegmentDomain_f1529703-9bc7-462f-8acd-ed9ab2c1e17e" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ScienceGroupMember_cb3bdff5-b0dd-4eff-bf2c-25ec03e94c65" xlink:href="clvt-20220630.xsd#clvt_ScienceGroupMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_f1529703-9bc7-462f-8acd-ed9ab2c1e17e" xlink:to="loc_clvt_ScienceGroupMember_cb3bdff5-b0dd-4eff-bf2c-25ec03e94c65" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_IntellectualPropertyGroupMember_bff6f2b0-8f49-41ec-b312-a6030dac1381" xlink:href="clvt-20220630.xsd#clvt_IntellectualPropertyGroupMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_f1529703-9bc7-462f-8acd-ed9ab2c1e17e" xlink:to="loc_clvt_IntellectualPropertyGroupMember_bff6f2b0-8f49-41ec-b312-a6030dac1381" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_289a4ef5-5988-4660-b8d1-4b8c4780e79d" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductOrServiceAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_8ca98467-409c-44f8-8dd2-f3f7433cd833" xlink:to="loc_srt_ProductOrServiceAxis_289a4ef5-5988-4660-b8d1-4b8c4780e79d" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_289a4ef5-5988-4660-b8d1-4b8c4780e79d_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductsAndServicesDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_289a4ef5-5988-4660-b8d1-4b8c4780e79d" xlink:to="loc_srt_ProductsAndServicesDomain_289a4ef5-5988-4660-b8d1-4b8c4780e79d_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_dedc1eda-c728-4a84-834e-05ffeefc3c2c" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductsAndServicesDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_289a4ef5-5988-4660-b8d1-4b8c4780e79d" xlink:to="loc_srt_ProductsAndServicesDomain_dedc1eda-c728-4a84-834e-05ffeefc3c2c" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_IpManagementProductLineMember_93ad6031-fc4b-4463-ae4e-7b0cc92a1aff" xlink:href="clvt-20220630.xsd#clvt_IpManagementProductLineMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_dedc1eda-c728-4a84-834e-05ffeefc3c2c" xlink:to="loc_clvt_IpManagementProductLineMember_93ad6031-fc4b-4463-ae4e-7b0cc92a1aff" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/ProductandGeographicSalesInformationRevenuebyGeographyDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#ProductandGeographicSalesInformationRevenuebyGeographyDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/ProductandGeographicSalesInformationRevenuebyGeographyDetails" xlink:type="extended" id="icb98d908e77c49709d5171543efc033d_ProductandGeographicSalesInformationRevenuebyGeographyDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_0b5b9983-f206-4f7f-9dda-395703142f25" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentReportingInformationLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_d4777955-a54f-45ab-8577-dbb36c098b90" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_0b5b9983-f206-4f7f-9dda-395703142f25" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_d4777955-a54f-45ab-8577-dbb36c098b90" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DeferredRevenuesAdjustment_991c1c3c-11b3-44ed-8c14-5202ad10d468" xlink:href="clvt-20220630.xsd#clvt_DeferredRevenuesAdjustment"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_0b5b9983-f206-4f7f-9dda-395703142f25" xlink:to="loc_clvt_DeferredRevenuesAdjustment_991c1c3c-11b3-44ed-8c14-5202ad10d468" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_3ee59718-6d10-4bd7-8a7b-44da5be0d9ff" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_0b5b9983-f206-4f7f-9dda-395703142f25" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_3ee59718-6d10-4bd7-8a7b-44da5be0d9ff" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_71326f4e-2408-4a62-9e13-ce1487375677" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_StatementGeographicalAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_3ee59718-6d10-4bd7-8a7b-44da5be0d9ff" xlink:to="loc_srt_StatementGeographicalAxis_71326f4e-2408-4a62-9e13-ce1487375677" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_71326f4e-2408-4a62-9e13-ce1487375677_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_SegmentGeographicalDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_71326f4e-2408-4a62-9e13-ce1487375677" xlink:to="loc_srt_SegmentGeographicalDomain_71326f4e-2408-4a62-9e13-ce1487375677_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_9ff3ed59-d124-40e9-aba9-8f5017ffcb24" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_SegmentGeographicalDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_71326f4e-2408-4a62-9e13-ce1487375677" xlink:to="loc_srt_SegmentGeographicalDomain_9ff3ed59-d124-40e9-aba9-8f5017ffcb24" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_NorthAmericaMember_92104d1e-5c0a-42ee-bc05-0a001960a8ff" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_NorthAmericaMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_9ff3ed59-d124-40e9-aba9-8f5017ffcb24" xlink:to="loc_srt_NorthAmericaMember_92104d1e-5c0a-42ee-bc05-0a001960a8ff" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EMEAMember_3577693c-2d5d-4cdb-8bbd-6a5659bf3885" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EMEAMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_9ff3ed59-d124-40e9-aba9-8f5017ffcb24" xlink:to="loc_us-gaap_EMEAMember_3577693c-2d5d-4cdb-8bbd-6a5659bf3885" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_AsiaPacificMember_83f1228e-5ff0-483f-bfec-1f8a026dd17b" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_AsiaPacificMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_9ff3ed59-d124-40e9-aba9-8f5017ffcb24" xlink:to="loc_srt_AsiaPacificMember_83f1228e-5ff0-483f-bfec-1f8a026dd17b" xlink:type="arc" order="2"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/ProductandGeographicSalesInformationAssetsbyGeographyDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#ProductandGeographicSalesInformationAssetsbyGeographyDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/ProductandGeographicSalesInformationAssetsbyGeographyDetails" xlink:type="extended" id="ib0ea737f9e21474c96c67bc0442c6154_ProductandGeographicSalesInformationAssetsbyGeographyDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_4804905b-fa16-4b19-bf73-70f20b5de13f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_NonCurrentAssetsOtherThanFinancialInstrumentsAndDeferredTaxAssets_030cf60c-e18e-4fa0-8625-8d1fd711d794" xlink:href="clvt-20220630.xsd#clvt_NonCurrentAssetsOtherThanFinancialInstrumentsAndDeferredTaxAssets"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_4804905b-fa16-4b19-bf73-70f20b5de13f" xlink:to="loc_clvt_NonCurrentAssetsOtherThanFinancialInstrumentsAndDeferredTaxAssets_030cf60c-e18e-4fa0-8625-8d1fd711d794" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_9e6033c5-828b-460e-b511-9aad21ec7656" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_4804905b-fa16-4b19-bf73-70f20b5de13f" xlink:to="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_9e6033c5-828b-460e-b511-9aad21ec7656" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_b4e475e7-2d83-47f2-8d9d-d670df47ba1e" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_StatementGeographicalAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_9e6033c5-828b-460e-b511-9aad21ec7656" xlink:to="loc_srt_StatementGeographicalAxis_b4e475e7-2d83-47f2-8d9d-d670df47ba1e" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_b4e475e7-2d83-47f2-8d9d-d670df47ba1e_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_SegmentGeographicalDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_b4e475e7-2d83-47f2-8d9d-d670df47ba1e" xlink:to="loc_srt_SegmentGeographicalDomain_b4e475e7-2d83-47f2-8d9d-d670df47ba1e_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_9ee7ab89-880a-464a-b753-34a81d09595a" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_SegmentGeographicalDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_b4e475e7-2d83-47f2-8d9d-d670df47ba1e" xlink:to="loc_srt_SegmentGeographicalDomain_9ee7ab89-880a-464a-b753-34a81d09595a" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_NorthAmericaMember_373302cc-6a41-4000-b724-d5900d7ad876" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_NorthAmericaMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_9ee7ab89-880a-464a-b753-34a81d09595a" xlink:to="loc_srt_NorthAmericaMember_373302cc-6a41-4000-b724-d5900d7ad876" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EMEAMember_dd37126c-e900-4e46-8ce5-5070b832c3b7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EMEAMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_9ee7ab89-880a-464a-b753-34a81d09595a" xlink:to="loc_us-gaap_EMEAMember_dd37126c-e900-4e46-8ce5-5070b832c3b7" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_AsiaPacificMember_6c8f4e7d-4f12-49cd-9ec0-f5c75353c506" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_AsiaPacificMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_9ee7ab89-880a-464a-b753-34a81d09595a" xlink:to="loc_srt_AsiaPacificMember_6c8f4e7d-4f12-49cd-9ec0-f5c75353c506" xlink:type="arc" order="2"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/ProductandGeographicSalesInformationRevenuebyProductGroupDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#ProductandGeographicSalesInformationRevenuebyProductGroupDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/ProductandGeographicSalesInformationRevenuebyProductGroupDetails" xlink:type="extended" id="i3e953cb211294152b9612c3732c3e2d2_ProductandGeographicSalesInformationRevenuebyProductGroupDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_c82c21e8-5ffc-441a-a6e3-3e2dbfcf0d0a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentReportingInformationLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_93b74fde-f8b7-410f-815c-20be6ab9b4e7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_c82c21e8-5ffc-441a-a6e3-3e2dbfcf0d0a" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_93b74fde-f8b7-410f-815c-20be6ab9b4e7" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DeferredRevenuesAdjustment_acebab18-54fa-478a-afe2-d9d04ac62700" xlink:href="clvt-20220630.xsd#clvt_DeferredRevenuesAdjustment"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_c82c21e8-5ffc-441a-a6e3-3e2dbfcf0d0a" xlink:to="loc_clvt_DeferredRevenuesAdjustment_acebab18-54fa-478a-afe2-d9d04ac62700" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_83a3e3f4-b5f1-4be5-a382-f4361554e736" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_c82c21e8-5ffc-441a-a6e3-3e2dbfcf0d0a" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_83a3e3f4-b5f1-4be5-a382-f4361554e736" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_672227d0-eab1-4670-b2a5-877f7a65738f" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductOrServiceAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_83a3e3f4-b5f1-4be5-a382-f4361554e736" xlink:to="loc_srt_ProductOrServiceAxis_672227d0-eab1-4670-b2a5-877f7a65738f" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_672227d0-eab1-4670-b2a5-877f7a65738f_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductsAndServicesDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_672227d0-eab1-4670-b2a5-877f7a65738f" xlink:to="loc_srt_ProductsAndServicesDomain_672227d0-eab1-4670-b2a5-877f7a65738f_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_127c1c08-0b81-4f58-8af6-ecdb7ac09a26" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductsAndServicesDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_672227d0-eab1-4670-b2a5-877f7a65738f" xlink:to="loc_srt_ProductsAndServicesDomain_127c1c08-0b81-4f58-8af6-ecdb7ac09a26" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_WebOfScienceProductLineMember_66e45426-2b9b-4fea-bcca-319afb7f76ac" xlink:href="clvt-20220630.xsd#clvt_WebOfScienceProductLineMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_127c1c08-0b81-4f58-8af6-ecdb7ac09a26" xlink:to="loc_clvt_WebOfScienceProductLineMember_66e45426-2b9b-4fea-bcca-319afb7f76ac" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_LifeSciencesProductLineMember_8ef8ecba-3cf7-4de3-acc4-f88b15175d2b" xlink:href="clvt-20220630.xsd#clvt_LifeSciencesProductLineMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_127c1c08-0b81-4f58-8af6-ecdb7ac09a26" xlink:to="loc_clvt_LifeSciencesProductLineMember_8ef8ecba-3cf7-4de3-acc4-f88b15175d2b" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ScienceGroupMember_84332027-4169-44d7-a0ac-be28b51b3088" xlink:href="clvt-20220630.xsd#clvt_ScienceGroupMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_LifeSciencesProductLineMember_8ef8ecba-3cf7-4de3-acc4-f88b15175d2b" xlink:to="loc_clvt_ScienceGroupMember_84332027-4169-44d7-a0ac-be28b51b3088" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DerwentProductLineMember_c4e8f422-5d59-4a6a-a21f-94f9f1af1474" xlink:href="clvt-20220630.xsd#clvt_DerwentProductLineMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_127c1c08-0b81-4f58-8af6-ecdb7ac09a26" xlink:to="loc_clvt_DerwentProductLineMember_c4e8f422-5d59-4a6a-a21f-94f9f1af1474" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_MarkmonitorProductLineMember_841cf890-0814-46c8-8379-63eaf274e2b1" xlink:href="clvt-20220630.xsd#clvt_MarkmonitorProductLineMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_127c1c08-0b81-4f58-8af6-ecdb7ac09a26" xlink:to="loc_clvt_MarkmonitorProductLineMember_841cf890-0814-46c8-8379-63eaf274e2b1" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_CompumarkProductLineMember_6a939c89-ef36-4d68-bb64-f46d92a3a90a" xlink:href="clvt-20220630.xsd#clvt_CompumarkProductLineMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_127c1c08-0b81-4f58-8af6-ecdb7ac09a26" xlink:to="loc_clvt_CompumarkProductLineMember_6a939c89-ef36-4d68-bb64-f46d92a3a90a" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_IntellectualPropertyGroupMember_29aba244-8882-4e11-aa33-044646afd29c" xlink:href="clvt-20220630.xsd#clvt_IntellectualPropertyGroupMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_clvt_CompumarkProductLineMember_6a939c89-ef36-4d68-bb64-f46d92a3a90a" xlink:to="loc_clvt_IntellectualPropertyGroupMember_29aba244-8882-4e11-aa33-044646afd29c" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_IpManagementProductLineMember_388739c7-f0b9-47a0-bf7a-f38cd74dce0b" xlink:href="clvt-20220630.xsd#clvt_IpManagementProductLineMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_127c1c08-0b81-4f58-8af6-ecdb7ac09a26" xlink:to="loc_clvt_IpManagementProductLineMember_388739c7-f0b9-47a0-bf7a-f38cd74dce0b" xlink:type="arc" order="5"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/CommitmentsandContingenciesContingenciesDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#CommitmentsandContingenciesContingenciesDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/CommitmentsandContingenciesContingenciesDetails" xlink:type="extended" id="ica2bb771bea940d991b28d31c1adb853_CommitmentsandContingenciesContingenciesDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesLineItems_f53dc7b8-09f5-4d39-bca3-e161e1456663" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LossContingenciesLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyAccrualCarryingValueCurrent_1a22e7b4-708b-4f12-b53f-647d0196cfeb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LossContingencyAccrualCarryingValueCurrent"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_f53dc7b8-09f5-4d39-bca3-e161e1456663" xlink:to="loc_us-gaap_LossContingencyAccrualCarryingValueCurrent_1a22e7b4-708b-4f12-b53f-647d0196cfeb" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyReceivable_f14d9e3a-df6e-4fa9-bb2b-c103bec1a746" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LossContingencyReceivable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_f53dc7b8-09f5-4d39-bca3-e161e1456663" xlink:to="loc_us-gaap_LossContingencyReceivable_f14d9e3a-df6e-4fa9-bb2b-c103bec1a746" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyReceivableProceeds_b424c4d5-3fa7-4907-952d-54e126c4525a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LossContingencyReceivableProceeds"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_f53dc7b8-09f5-4d39-bca3-e161e1456663" xlink:to="loc_us-gaap_LossContingencyReceivableProceeds_b424c4d5-3fa7-4907-952d-54e126c4525a" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationLiability_f3f6ce41-35a8-4aab-96c6-901b8a13f44a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationContingentConsiderationLiability"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_f53dc7b8-09f5-4d39-bca3-e161e1456663" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationLiability_f3f6ce41-35a8-4aab-96c6-901b8a13f44a" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentForContingentConsiderationLiabilityFinancingActivities_0cf7b291-4149-466f-9090-149660a9185f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentForContingentConsiderationLiabilityFinancingActivities"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_f53dc7b8-09f5-4d39-bca3-e161e1456663" xlink:to="loc_us-gaap_PaymentForContingentConsiderationLiabilityFinancingActivities_0cf7b291-4149-466f-9090-149660a9185f" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_BusinessCombinationContingentConsiderationLiabilityFairValueDisclosure_4151fc8c-dd6b-4320-9dd9-6bef2581c454" xlink:href="clvt-20220630.xsd#clvt_BusinessCombinationContingentConsiderationLiabilityFairValueDisclosure"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_f53dc7b8-09f5-4d39-bca3-e161e1456663" xlink:to="loc_clvt_BusinessCombinationContingentConsiderationLiabilityFairValueDisclosure_4151fc8c-dd6b-4320-9dd9-6bef2581c454" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_WriteOffOfAccumulatedForeignCurrencyImpacts_5969ea91-01b7-4a1a-9066-c28d6f0e4c47" xlink:href="clvt-20220630.xsd#clvt_WriteOffOfAccumulatedForeignCurrencyImpacts"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_f53dc7b8-09f5-4d39-bca3-e161e1456663" xlink:to="loc_clvt_WriteOffOfAccumulatedForeignCurrencyImpacts_5969ea91-01b7-4a1a-9066-c28d6f0e4c47" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_95b6accb-8066-40ff-b637-9f12f0067853" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_f53dc7b8-09f5-4d39-bca3-e161e1456663" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_95b6accb-8066-40ff-b637-9f12f0067853" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisPaymentEarnOutLiability_161e4da3-408d-402e-9011-bde845cfe429" xlink:href="clvt-20220630.xsd#clvt_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisPaymentEarnOutLiability"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_f53dc7b8-09f5-4d39-bca3-e161e1456663" xlink:to="loc_clvt_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisPaymentEarnOutLiability_161e4da3-408d-402e-9011-bde845cfe429" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_dfc8730f-0c81-446d-98b9-94e9827cb9f7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_f53dc7b8-09f5-4d39-bca3-e161e1456663" xlink:to="loc_us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_dfc8730f-0c81-446d-98b9-94e9827cb9f7" xlink:type="arc" order="9"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned_fec849ec-b914-4c47-a62a-b926995bc860" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_f53dc7b8-09f5-4d39-bca3-e161e1456663" xlink:to="loc_us-gaap_BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned_fec849ec-b914-4c47-a62a-b926995bc860" xlink:type="arc" order="10"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RecordedUnconditionalPurchaseObligation_6bb3e68a-c6e9-46b0-a08c-ef84b20cb065" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RecordedUnconditionalPurchaseObligation"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_f53dc7b8-09f5-4d39-bca3-e161e1456663" xlink:to="loc_us-gaap_RecordedUnconditionalPurchaseObligation_6bb3e68a-c6e9-46b0-a08c-ef84b20cb065" xlink:type="arc" order="11"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferred1_2aa30639-2659-4122-932e-968379cbb0c9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferred1"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_f53dc7b8-09f5-4d39-bca3-e161e1456663" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferred1_2aa30639-2659-4122-932e-968379cbb0c9" xlink:type="arc" order="12"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationSharesIssued1_67c036f3-f196-4e7e-b2a6-37db2a184636" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationSharesIssued1"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_f53dc7b8-09f5-4d39-bca3-e161e1456663" xlink:to="loc_us-gaap_NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationSharesIssued1_67c036f3-f196-4e7e-b2a6-37db2a184636" xlink:type="arc" order="13"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LitigationReserveCurrent_65d19a72-b69d-4d02-8f19-e8f1e17085f6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LitigationReserveCurrent"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_f53dc7b8-09f5-4d39-bca3-e161e1456663" xlink:to="loc_us-gaap_LitigationReserveCurrent_65d19a72-b69d-4d02-8f19-e8f1e17085f6" xlink:type="arc" order="14"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyEstimateOfPossibleLoss_8844c423-72d0-49a6-9d4f-6bcc77ec7f96" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LossContingencyEstimateOfPossibleLoss"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_f53dc7b8-09f5-4d39-bca3-e161e1456663" xlink:to="loc_us-gaap_LossContingencyEstimateOfPossibleLoss_8844c423-72d0-49a6-9d4f-6bcc77ec7f96" xlink:type="arc" order="15"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnderwritingCommitments_d3458bc8-ae17-4a16-8630-cba6de31faf4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnderwritingCommitments"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_f53dc7b8-09f5-4d39-bca3-e161e1456663" xlink:to="loc_us-gaap_UnderwritingCommitments_d3458bc8-ae17-4a16-8630-cba6de31faf4" xlink:type="arc" order="16"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtRelatedCommitmentFeesAndDebtIssuanceCosts_cfd704b4-d302-4518-a1a9-5e093e820a30" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtRelatedCommitmentFeesAndDebtIssuanceCosts"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_f53dc7b8-09f5-4d39-bca3-e161e1456663" xlink:to="loc_us-gaap_DebtRelatedCommitmentFeesAndDebtIssuanceCosts_cfd704b4-d302-4518-a1a9-5e093e820a30" xlink:type="arc" order="17"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_77ae7975-c047-4aed-96a8-994eb9dcf4bc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_f53dc7b8-09f5-4d39-bca3-e161e1456663" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_77ae7975-c047-4aed-96a8-994eb9dcf4bc" xlink:type="arc" order="18"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ContingentLiabilityTransactionRelatedFee_3365976b-c10c-4413-8f0f-b35e1c5055cc" xlink:href="clvt-20220630.xsd#clvt_ContingentLiabilityTransactionRelatedFee"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_f53dc7b8-09f5-4d39-bca3-e161e1456663" xlink:to="loc_clvt_ContingentLiabilityTransactionRelatedFee_3365976b-c10c-4413-8f0f-b35e1c5055cc" xlink:type="arc" order="19"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ContingentLiabilityDiscountOnDebtForTheUnderwritersFee_c70f5244-0a4b-45ab-87b2-81a1efbb9e4d" xlink:href="clvt-20220630.xsd#clvt_ContingentLiabilityDiscountOnDebtForTheUnderwritersFee"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_f53dc7b8-09f5-4d39-bca3-e161e1456663" xlink:to="loc_clvt_ContingentLiabilityDiscountOnDebtForTheUnderwritersFee_c70f5244-0a4b-45ab-87b2-81a1efbb9e4d" xlink:type="arc" order="20"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements_3dce2fbb-cf55-44f7-b9cc-fbb9dca15912" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_f53dc7b8-09f5-4d39-bca3-e161e1456663" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements_3dce2fbb-cf55-44f7-b9cc-fbb9dca15912" xlink:type="arc" order="21"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesTable_b0325369-8b3a-409c-9e69-135e109dc7c4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LossContingenciesTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LossContingenciesLineItems_f53dc7b8-09f5-4d39-bca3-e161e1456663" xlink:to="loc_us-gaap_LossContingenciesTable_b0325369-8b3a-409c-9e69-135e109dc7c4" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_41626366-23c9-40a3-8f16-6d6d6e7b84a8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BalanceSheetLocationAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_b0325369-8b3a-409c-9e69-135e109dc7c4" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_41626366-23c9-40a3-8f16-6d6d6e7b84a8" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_41626366-23c9-40a3-8f16-6d6d6e7b84a8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BalanceSheetLocationDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_41626366-23c9-40a3-8f16-6d6d6e7b84a8" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_41626366-23c9-40a3-8f16-6d6d6e7b84a8_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_f099201d-9e72-4f2e-a01c-b618092dfcc3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BalanceSheetLocationDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_41626366-23c9-40a3-8f16-6d6d6e7b84a8" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_f099201d-9e72-4f2e-a01c-b618092dfcc3" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCurrentAssetsMember_4c3aead4-a906-46d5-bcfc-6103050ca85a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherCurrentAssetsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_f099201d-9e72-4f2e-a01c-b618092dfcc3" xlink:to="loc_us-gaap_OtherCurrentAssetsMember_4c3aead4-a906-46d5-bcfc-6103050ca85a" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncurrentAssetsMember_3b2a9581-20c6-4e92-a1e5-1d6834c0f59b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherNoncurrentAssetsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_f099201d-9e72-4f2e-a01c-b618092dfcc3" xlink:to="loc_us-gaap_OtherNoncurrentAssetsMember_3b2a9581-20c6-4e92-a1e5-1d6834c0f59b" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_AccruedExpensesAndOtherCurrentLiabilitiesMember_ec4a56c4-1719-4997-b0b4-b7ad1a8f2bd5" xlink:href="clvt-20220630.xsd#clvt_AccruedExpensesAndOtherCurrentLiabilitiesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_f099201d-9e72-4f2e-a01c-b618092dfcc3" xlink:to="loc_clvt_AccruedExpensesAndOtherCurrentLiabilitiesMember_ec4a56c4-1719-4997-b0b4-b7ad1a8f2bd5" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncurrentLiabilitiesMember_79c20f5a-abe0-4c5f-83a1-e288d0a747a0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherNoncurrentLiabilitiesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_f099201d-9e72-4f2e-a01c-b618092dfcc3" xlink:to="loc_us-gaap_OtherNoncurrentLiabilitiesMember_79c20f5a-abe0-4c5f-83a1-e288d0a747a0" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_c21b6d18-9d3c-4a07-ad9c-52d126df8d48" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_b0325369-8b3a-409c-9e69-135e109dc7c4" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_c21b6d18-9d3c-4a07-ad9c-52d126df8d48" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_c21b6d18-9d3c-4a07-ad9c-52d126df8d48_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_c21b6d18-9d3c-4a07-ad9c-52d126df8d48" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_c21b6d18-9d3c-4a07-ad9c-52d126df8d48_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_adf70097-e5ef-444c-94b0-cafb302352ad" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_c21b6d18-9d3c-4a07-ad9c-52d126df8d48" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_adf70097-e5ef-444c-94b0-cafb302352ad" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_PublonsLimitedMember_4ccf14a0-89a4-4629-8f54-0079760fd878" xlink:href="clvt-20220630.xsd#clvt_PublonsLimitedMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_adf70097-e5ef-444c-94b0-cafb302352ad" xlink:to="loc_clvt_PublonsLimitedMember_4ccf14a0-89a4-4629-8f54-0079760fd878" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_KopernioMember_9413f48a-023f-4f4a-8a01-42bfe5f112ca" xlink:href="clvt-20220630.xsd#clvt_KopernioMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_adf70097-e5ef-444c-94b0-cafb302352ad" xlink:to="loc_clvt_KopernioMember_9413f48a-023f-4f4a-8a01-42bfe5f112ca" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_TrademarkvisionUsaLlcMember_ab752232-3d2a-4a01-bc23-e884ffa61230" xlink:href="clvt-20220630.xsd#clvt_TrademarkvisionUsaLlcMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_adf70097-e5ef-444c-94b0-cafb302352ad" xlink:to="loc_clvt_TrademarkvisionUsaLlcMember_ab752232-3d2a-4a01-bc23-e884ffa61230" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DRGMember_e6e709fe-8bae-4a2f-bf54-7253f17a5afb" xlink:href="clvt-20220630.xsd#clvt_DRGMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_adf70097-e5ef-444c-94b0-cafb302352ad" xlink:to="loc_clvt_DRGMember_e6e709fe-8bae-4a2f-bf54-7253f17a5afb" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DecisionResourcesGroupMember_44120c53-d77c-412d-a7b4-bfa4e90b73f8" xlink:href="clvt-20220630.xsd#clvt_DecisionResourcesGroupMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_adf70097-e5ef-444c-94b0-cafb302352ad" xlink:to="loc_clvt_DecisionResourcesGroupMember_44120c53-d77c-412d-a7b4-bfa4e90b73f8" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_CPAGlobalMember_5c8b75e3-e7a4-42d8-9db0-179afacd5fb5" xlink:href="clvt-20220630.xsd#clvt_CPAGlobalMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_adf70097-e5ef-444c-94b0-cafb302352ad" xlink:to="loc_clvt_CPAGlobalMember_5c8b75e3-e7a4-42d8-9db0-179afacd5fb5" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ProQuestMember_34285230-38e5-4b3d-87c3-6281832b678e" xlink:href="clvt-20220630.xsd#clvt_ProQuestMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_adf70097-e5ef-444c-94b0-cafb302352ad" xlink:to="loc_clvt_ProQuestMember_34285230-38e5-4b3d-87c3-6281832b678e" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_2c2342f7-95e8-4602-ad28-fe8990ab2ddc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_b0325369-8b3a-409c-9e69-135e109dc7c4" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_2c2342f7-95e8-4602-ad28-fe8990ab2ddc" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_2c2342f7-95e8-4602-ad28-fe8990ab2ddc_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_2c2342f7-95e8-4602-ad28-fe8990ab2ddc" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_2c2342f7-95e8-4602-ad28-fe8990ab2ddc_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_fa37b3c9-afc8-41f3-aeae-ddc4ae701be6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_2c2342f7-95e8-4602-ad28-fe8990ab2ddc" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_fa37b3c9-afc8-41f3-aeae-ddc4ae701be6" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_7456a883-323c-40b9-84dc-df94183fe3b3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInputsLevel3Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_fa37b3c9-afc8-41f3-aeae-ddc4ae701be6" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_7456a883-323c-40b9-84dc-df94183fe3b3" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_3924780b-a082-4b42-bd51-4ec607e6482c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_b0325369-8b3a-409c-9e69-135e109dc7c4" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_3924780b-a082-4b42-bd51-4ec607e6482c" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_3924780b-a082-4b42-bd51-4ec607e6482c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_3924780b-a082-4b42-bd51-4ec607e6482c" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_3924780b-a082-4b42-bd51-4ec607e6482c_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_4aa85058-1755-473b-a34d-a6cf5b5f243a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_3924780b-a082-4b42-bd51-4ec607e6482c" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_4aa85058-1755-473b-a34d-a6cf5b5f243a" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_1c461e07-84a6-416c-99fc-4838e050647d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_4aa85058-1755-473b-a34d-a6cf5b5f243a" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_1c461e07-84a6-416c-99fc-4838e050647d" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_2daa71c0-8462-45af-a7fb-70e51284b3b8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_b0325369-8b3a-409c-9e69-135e109dc7c4" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_2daa71c0-8462-45af-a7fb-70e51284b3b8" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_2daa71c0-8462-45af-a7fb-70e51284b3b8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_2daa71c0-8462-45af-a7fb-70e51284b3b8" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_2daa71c0-8462-45af-a7fb-70e51284b3b8_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_e83217cc-2b35-4032-ae2c-93826ea46135" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_2daa71c0-8462-45af-a7fb-70e51284b3b8" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_e83217cc-2b35-4032-ae2c-93826ea46135" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_d89725a3-d8a2-4847-bb04-cb9bd7058e53" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_e83217cc-2b35-4032-ae2c-93826ea46135" xlink:to="loc_us-gaap_SubsequentEventMember_d89725a3-d8a2-4847-bb04-cb9bd7058e53" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_StatementScenarioAxis_e8215509-9414-4401-9bf2-99a02ac6110c" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_StatementScenarioAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_b0325369-8b3a-409c-9e69-135e109dc7c4" xlink:to="loc_srt_StatementScenarioAxis_e8215509-9414-4401-9bf2-99a02ac6110c" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioUnspecifiedDomain_e8215509-9414-4401-9bf2-99a02ac6110c_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ScenarioUnspecifiedDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementScenarioAxis_e8215509-9414-4401-9bf2-99a02ac6110c" xlink:to="loc_srt_ScenarioUnspecifiedDomain_e8215509-9414-4401-9bf2-99a02ac6110c_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioUnspecifiedDomain_a49a0e19-d157-416f-a64c-8732ef3778a1" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ScenarioUnspecifiedDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementScenarioAxis_e8215509-9414-4401-9bf2-99a02ac6110c" xlink:to="loc_srt_ScenarioUnspecifiedDomain_a49a0e19-d157-416f-a64c-8732ef3778a1" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioForecastMember_89134fbc-11cb-4275-8c74-eb3427ff6ef1" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ScenarioForecastMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ScenarioUnspecifiedDomain_a49a0e19-d157-416f-a64c-8732ef3778a1" xlink:to="loc_srt_ScenarioForecastMember_89134fbc-11cb-4275-8c74-eb3427ff6ef1" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/CommitmentsandContingenciesMandatoryConvertiblePreferredShareDividendsDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#CommitmentsandContingenciesMandatoryConvertiblePreferredShareDividendsDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/CommitmentsandContingenciesMandatoryConvertiblePreferredShareDividendsDetails" xlink:type="extended" id="i67026632ddca426fba13abecf9490449_CommitmentsandContingenciesMandatoryConvertiblePreferredShareDividendsDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsPayableLineItems_9a3ed1b9-da0e-45ec-ad57-49eecaa5a533" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DividendsPayableLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockDividendsPerShareDeclared_f9d0407e-57b1-4af2-9119-25d213ca766a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockDividendsPerShareDeclared"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DividendsPayableLineItems_9a3ed1b9-da0e-45ec-ad57-49eecaa5a533" xlink:to="loc_us-gaap_PreferredStockDividendsPerShareDeclared_f9d0407e-57b1-4af2-9119-25d213ca766a" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendPayableDateToBePaidDayMonthAndYear_c797fed3-6933-4260-aa5c-39c68ece18b6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DividendPayableDateToBePaidDayMonthAndYear"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DividendsPayableLineItems_9a3ed1b9-da0e-45ec-ad57-49eecaa5a533" xlink:to="loc_us-gaap_DividendPayableDateToBePaidDayMonthAndYear_c797fed3-6933-4260-aa5c-39c68ece18b6" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsPayableDateDeclaredDayMonthAndYear_21bb0015-ad88-499a-ae6d-20adac080de9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DividendsPayableDateDeclaredDayMonthAndYear"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DividendsPayableLineItems_9a3ed1b9-da0e-45ec-ad57-49eecaa5a533" xlink:to="loc_us-gaap_DividendsPayableDateDeclaredDayMonthAndYear_21bb0015-ad88-499a-ae6d-20adac080de9" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsPayableTable_4ed6e1bc-74cb-49ae-b851-e26ad881bef8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DividendsPayableTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DividendsPayableLineItems_9a3ed1b9-da0e-45ec-ad57-49eecaa5a533" xlink:to="loc_us-gaap_DividendsPayableTable_4ed6e1bc-74cb-49ae-b851-e26ad881bef8" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_51cb080f-df3b-4a2c-899d-aa8061c35cd6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementClassOfStockAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DividendsPayableTable_4ed6e1bc-74cb-49ae-b851-e26ad881bef8" xlink:to="loc_us-gaap_StatementClassOfStockAxis_51cb080f-df3b-4a2c-899d-aa8061c35cd6" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_51cb080f-df3b-4a2c-899d-aa8061c35cd6_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_51cb080f-df3b-4a2c-899d-aa8061c35cd6" xlink:to="loc_us-gaap_ClassOfStockDomain_51cb080f-df3b-4a2c-899d-aa8061c35cd6_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_7aab51ee-37e7-4259-b5ab-6d4ac9555c77" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_51cb080f-df3b-4a2c-899d-aa8061c35cd6" xlink:to="loc_us-gaap_ClassOfStockDomain_7aab51ee-37e7-4259-b5ab-6d4ac9555c77" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesAPreferredStockMember_cb62c5de-f680-4790-b37a-abb83e0f7820" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SeriesAPreferredStockMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_7aab51ee-37e7-4259-b5ab-6d4ac9555c77" xlink:to="loc_us-gaap_SeriesAPreferredStockMember_cb62c5de-f680-4790-b37a-abb83e0f7820" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_12cbedb1-847a-41e4-9b79-a23e4389277e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DividendsPayableTable_4ed6e1bc-74cb-49ae-b851-e26ad881bef8" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_12cbedb1-847a-41e4-9b79-a23e4389277e" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_12cbedb1-847a-41e4-9b79-a23e4389277e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_12cbedb1-847a-41e4-9b79-a23e4389277e" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_12cbedb1-847a-41e4-9b79-a23e4389277e_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_b23fd048-953f-4728-be50-257d8363ed94" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_12cbedb1-847a-41e4-9b79-a23e4389277e" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_b23fd048-953f-4728-be50-257d8363ed94" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_bc212279-f030-4e2b-8537-d886c6eca52b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_b23fd048-953f-4728-be50-257d8363ed94" xlink:to="loc_us-gaap_SubsequentEventMember_bc212279-f030-4e2b-8537-d886c6eca52b" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/RelatedPartyandFormerParentTransactionsDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#RelatedPartyandFormerParentTransactionsDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/RelatedPartyandFormerParentTransactionsDetails" xlink:type="extended" id="i349ccbc2c6634a5cadd3ff0def362a94_RelatedPartyandFormerParentTransactionsDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_b91f205d-7a2e-49dc-bb8f-a4591406e153" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_eef803b5-53fe-42a2-860b-679cdfc0f172" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_b91f205d-7a2e-49dc-bb8f-a4591406e153" xlink:to="loc_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_eef803b5-53fe-42a2-860b-679cdfc0f172" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_d030d375-0202-4c95-bacb-df377121203d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_b91f205d-7a2e-49dc-bb8f-a4591406e153" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_d030d375-0202-4c95-bacb-df377121203d" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseRelatedParty_cc884e49-b9ca-4ede-b4b1-2fcb82923721" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestExpenseRelatedParty"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_b91f205d-7a2e-49dc-bb8f-a4591406e153" xlink:to="loc_us-gaap_InterestExpenseRelatedParty_cc884e49-b9ca-4ede-b4b1-2fcb82923721" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DueToRelatedPartiesCurrentAndNoncurrent_f39f8b31-d91f-4f67-8ada-8d0537375417" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DueToRelatedPartiesCurrentAndNoncurrent"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_b91f205d-7a2e-49dc-bb8f-a4591406e153" xlink:to="loc_us-gaap_DueToRelatedPartiesCurrentAndNoncurrent_f39f8b31-d91f-4f67-8ada-8d0537375417" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionAmountsOfTransaction_2632ba1e-29ba-4e4e-9e2b-90f2ec8e8db8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionAmountsOfTransaction"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_b91f205d-7a2e-49dc-bb8f-a4591406e153" xlink:to="loc_us-gaap_RelatedPartyTransactionAmountsOfTransaction_2632ba1e-29ba-4e4e-9e2b-90f2ec8e8db8" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ManagementFeeExpense_3547c285-5aa4-458e-9adc-f375f01104b7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ManagementFeeExpense"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_b91f205d-7a2e-49dc-bb8f-a4591406e153" xlink:to="loc_us-gaap_ManagementFeeExpense_3547c285-5aa4-458e-9adc-f375f01104b7" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_PaymentsMadeToRelatedPartiesForSupplies_a6ed56ad-3dc4-42c7-9309-6fdd33612429" xlink:href="clvt-20220630.xsd#clvt_PaymentsMadeToRelatedPartiesForSupplies"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_b91f205d-7a2e-49dc-bb8f-a4591406e153" xlink:to="loc_clvt_PaymentsMadeToRelatedPartiesForSupplies_a6ed56ad-3dc4-42c7-9309-6fdd33612429" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromRelatedParties_12d9c145-1cf9-43f6-af68-f9a2fd21b608" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromRelatedParties"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_b91f205d-7a2e-49dc-bb8f-a4591406e153" xlink:to="loc_us-gaap_RevenueFromRelatedParties_12d9c145-1cf9-43f6-af68-f9a2fd21b608" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DueFromRelatedParties_17eb2606-eee9-43d1-afe8-2da75d740f58" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DueFromRelatedParties"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_b91f205d-7a2e-49dc-bb8f-a4591406e153" xlink:to="loc_us-gaap_DueFromRelatedParties_17eb2606-eee9-43d1-afe8-2da75d740f58" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_PaymentsToRelatedPartyCustomer_1371362d-e8ec-4a82-9315-bf567ff77ca6" xlink:href="clvt-20220630.xsd#clvt_PaymentsToRelatedPartyCustomer"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_b91f205d-7a2e-49dc-bb8f-a4591406e153" xlink:to="loc_clvt_PaymentsToRelatedPartyCustomer_1371362d-e8ec-4a82-9315-bf567ff77ca6" xlink:type="arc" order="9"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_StockIssuedDuringPeriodShares_ecceb40d-3dee-4adf-b344-5ec107af6e14" xlink:href="clvt-20220630.xsd#clvt_StockIssuedDuringPeriodShares"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_b91f205d-7a2e-49dc-bb8f-a4591406e153" xlink:to="loc_clvt_StockIssuedDuringPeriodShares_ecceb40d-3dee-4adf-b344-5ec107af6e14" xlink:type="arc" order="10"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_a17c2554-3461-4cb9-a852-b8496b1fd931" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_b91f205d-7a2e-49dc-bb8f-a4591406e153" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_a17c2554-3461-4cb9-a852-b8496b1fd931" xlink:type="arc" order="11"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_da1ea2e2-565f-4bf5-ad39-9738cfbd6269" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodShares"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_b91f205d-7a2e-49dc-bb8f-a4591406e153" xlink:to="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_da1ea2e2-565f-4bf5-ad39-9738cfbd6269" xlink:type="arc" order="12"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_0aef8157-b829-4778-82eb-e648c691509d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinanceLeaseRightOfUseAssetAmortization"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_b91f205d-7a2e-49dc-bb8f-a4591406e153" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_0aef8157-b829-4778-82eb-e648c691509d" xlink:type="arc" order="13"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseInterestExpense_d17996dd-cfea-4b0a-95f5-b4d9fb134e26" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinanceLeaseInterestExpense"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_b91f205d-7a2e-49dc-bb8f-a4591406e153" xlink:to="loc_us-gaap_FinanceLeaseInterestExpense_d17996dd-cfea-4b0a-95f5-b4d9fb134e26" xlink:type="arc" order="14"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAsset_1951434d-4be8-4b25-834d-cafcd8ab65c0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinanceLeaseRightOfUseAsset"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_b91f205d-7a2e-49dc-bb8f-a4591406e153" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAsset_1951434d-4be8-4b25-834d-cafcd8ab65c0" xlink:type="arc" order="15"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_cd10a792-51d3-462c-9acd-4d55656e6749" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinanceLeaseLiability"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_b91f205d-7a2e-49dc-bb8f-a4591406e153" xlink:to="loc_us-gaap_FinanceLeaseLiability_cd10a792-51d3-462c-9acd-4d55656e6749" xlink:type="arc" order="16"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_2ff1b594-794f-49ee-973c-373d852ef4d9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_b91f205d-7a2e-49dc-bb8f-a4591406e153" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_2ff1b594-794f-49ee-973c-373d852ef4d9" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_4fbe473c-e772-40d7-a059-ad4121249930" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_2ff1b594-794f-49ee-973c-373d852ef4d9" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_4fbe473c-e772-40d7-a059-ad4121249930" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_4fbe473c-e772-40d7-a059-ad4121249930_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_4fbe473c-e772-40d7-a059-ad4121249930" xlink:to="loc_us-gaap_RelatedPartyDomain_4fbe473c-e772-40d7-a059-ad4121249930_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_399f64be-50ba-4841-a823-2e02ac1b6b71" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_4fbe473c-e772-40d7-a059-ad4121249930" xlink:to="loc_us-gaap_RelatedPartyDomain_399f64be-50ba-4841-a823-2e02ac1b6b71" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_OnexPartnersAdvisorLpMember_4b7a87a0-5b96-4fa0-9462-9af2ae160e31" xlink:href="clvt-20220630.xsd#clvt_OnexPartnersAdvisorLpMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_399f64be-50ba-4841-a823-2e02ac1b6b71" xlink:to="loc_clvt_OnexPartnersAdvisorLpMember_4b7a87a0-5b96-4fa0-9462-9af2ae160e31" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_BaringMember_06e4be91-d4b9-4e38-9641-c05c9e43faef" xlink:href="clvt-20220630.xsd#clvt_BaringMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_399f64be-50ba-4841-a823-2e02ac1b6b71" xlink:to="loc_clvt_BaringMember_06e4be91-d4b9-4e38-9641-c05c9e43faef" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ControlledAffiliateOfBaringMember_5d6e5057-e8fc-4caa-847a-89b98e12bf76" xlink:href="clvt-20220630.xsd#clvt_ControlledAffiliateOfBaringMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_399f64be-50ba-4841-a823-2e02ac1b6b71" xlink:to="loc_clvt_ControlledAffiliateOfBaringMember_5d6e5057-e8fc-4caa-847a-89b98e12bf76" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ChiefExecutiveOfficerMember_94f95596-5027-4556-96e9-0b91c28ab493" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ChiefExecutiveOfficerMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_399f64be-50ba-4841-a823-2e02ac1b6b71" xlink:to="loc_srt_ChiefExecutiveOfficerMember_94f95596-5027-4556-96e9-0b91c28ab493" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_MemberOfKeyManagementMember_5a6654bc-a587-4fad-b23a-bcfd794a6cb6" xlink:href="clvt-20220630.xsd#clvt_MemberOfKeyManagementMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_399f64be-50ba-4841-a823-2e02ac1b6b71" xlink:to="loc_clvt_MemberOfKeyManagementMember_5a6654bc-a587-4fad-b23a-bcfd794a6cb6" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_VendorOneMember_a13810ec-b4d3-4ff3-a034-67533a41a19d" xlink:href="clvt-20220630.xsd#clvt_VendorOneMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_399f64be-50ba-4841-a823-2e02ac1b6b71" xlink:to="loc_clvt_VendorOneMember_a13810ec-b4d3-4ff3-a034-67533a41a19d" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_VendorTwoMember_8e47700a-3ee2-426a-9af9-9af802b9ad76" xlink:href="clvt-20220630.xsd#clvt_VendorTwoMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_399f64be-50ba-4841-a823-2e02ac1b6b71" xlink:to="loc_clvt_VendorTwoMember_8e47700a-3ee2-426a-9af9-9af802b9ad76" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_VendorThreeMember_6983f157-f029-4e81-9e20-ba77887cb8ae" xlink:href="clvt-20220630.xsd#clvt_VendorThreeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_399f64be-50ba-4841-a823-2e02ac1b6b71" xlink:to="loc_clvt_VendorThreeMember_6983f157-f029-4e81-9e20-ba77887cb8ae" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_McKinseyCompanyMember_ca5181b8-fa18-4a74-86d2-68388a2d9448" xlink:href="clvt-20220630.xsd#clvt_McKinseyCompanyMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_399f64be-50ba-4841-a823-2e02ac1b6b71" xlink:to="loc_clvt_McKinseyCompanyMember_ca5181b8-fa18-4a74-86d2-68388a2d9448" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ControlledAffiliateOfOnexMember_d649f4c2-1f67-41e7-932e-a4397e362ce6" xlink:href="clvt-20220630.xsd#clvt_ControlledAffiliateOfOnexMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_399f64be-50ba-4841-a823-2e02ac1b6b71" xlink:to="loc_clvt_ControlledAffiliateOfOnexMember_d649f4c2-1f67-41e7-932e-a4397e362ce6" xlink:type="arc" order="9"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImmediateFamilyMemberOfManagementOrPrincipalOwnerMember_2506e52b-8eed-45cb-b6c7-dabd06496f88" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ImmediateFamilyMemberOfManagementOrPrincipalOwnerMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_399f64be-50ba-4841-a823-2e02ac1b6b71" xlink:to="loc_us-gaap_ImmediateFamilyMemberOfManagementOrPrincipalOwnerMember_2506e52b-8eed-45cb-b6c7-dabd06496f88" xlink:type="arc" order="10"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_AffiliatedEntityMember_d589ce9d-b5ab-4752-b988-ddb932618e64" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_AffiliatedEntityMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_399f64be-50ba-4841-a823-2e02ac1b6b71" xlink:to="loc_srt_AffiliatedEntityMember_d589ce9d-b5ab-4752-b988-ddb932618e64" xlink:type="arc" order="11"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_DirectorMember_abca4436-2569-4081-9e76-c4e1754c75b7" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_DirectorMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_399f64be-50ba-4841-a823-2e02ac1b6b71" xlink:to="loc_srt_DirectorMember_abca4436-2569-4081-9e76-c4e1754c75b7" xlink:type="arc" order="12"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MajorCustomersAxis_d555169a-be57-433b-89da-6c92b4914d4d" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MajorCustomersAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_2ff1b594-794f-49ee-973c-373d852ef4d9" xlink:to="loc_srt_MajorCustomersAxis_d555169a-be57-433b-89da-6c92b4914d4d" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_d555169a-be57-433b-89da-6c92b4914d4d_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_NameOfMajorCustomerDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_MajorCustomersAxis_d555169a-be57-433b-89da-6c92b4914d4d" xlink:to="loc_srt_NameOfMajorCustomerDomain_d555169a-be57-433b-89da-6c92b4914d4d_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_13886ff2-2796-4037-9147-b3e21be5617a" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_NameOfMajorCustomerDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_MajorCustomersAxis_d555169a-be57-433b-89da-6c92b4914d4d" xlink:to="loc_srt_NameOfMajorCustomerDomain_13886ff2-2796-4037-9147-b3e21be5617a" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_CustomerOneMember_5279e054-1f44-4c72-a377-52b2beef9c1f" xlink:href="clvt-20220630.xsd#clvt_CustomerOneMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_13886ff2-2796-4037-9147-b3e21be5617a" xlink:to="loc_clvt_CustomerOneMember_5279e054-1f44-4c72-a377-52b2beef9c1f" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_CustomerTwoMember_cf6773c9-e009-4331-817c-0037e14309bb" xlink:href="clvt-20220630.xsd#clvt_CustomerTwoMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_13886ff2-2796-4037-9147-b3e21be5617a" xlink:to="loc_clvt_CustomerTwoMember_cf6773c9-e009-4331-817c-0037e14309bb" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_CustomerThreeMember_1b9f7ce7-9395-4986-b76f-f7c02fa35749" xlink:href="clvt-20220630.xsd#clvt_CustomerThreeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_13886ff2-2796-4037-9147-b3e21be5617a" xlink:to="loc_clvt_CustomerThreeMember_1b9f7ce7-9395-4986-b76f-f7c02fa35749" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_BaringVendorMember_57a2d163-69d3-402a-bd4f-d80329084fae" xlink:href="clvt-20220630.xsd#clvt_BaringVendorMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_13886ff2-2796-4037-9147-b3e21be5617a" xlink:to="loc_clvt_BaringVendorMember_57a2d163-69d3-402a-bd4f-d80329084fae" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_OnexVendorMember_c1872789-28d5-4a13-a569-77c45f189144" xlink:href="clvt-20220630.xsd#clvt_OnexVendorMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_13886ff2-2796-4037-9147-b3e21be5617a" xlink:to="loc_clvt_OnexVendorMember_c1872789-28d5-4a13-a569-77c45f189144" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_OnexCustomerMember_63409cdd-2a4a-40d2-9a8b-96ab500047aa" xlink:href="clvt-20220630.xsd#clvt_OnexCustomerMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_13886ff2-2796-4037-9147-b3e21be5617a" xlink:to="loc_clvt_OnexCustomerMember_63409cdd-2a4a-40d2-9a8b-96ab500047aa" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_OnexMember_ca045d02-17fb-4203-a933-ae008162ae1a" xlink:href="clvt-20220630.xsd#clvt_OnexMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_13886ff2-2796-4037-9147-b3e21be5617a" xlink:to="loc_clvt_OnexMember_ca045d02-17fb-4203-a933-ae008162ae1a" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis_ee369333-b750-4cdb-a218-c3d1a260619b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_2ff1b594-794f-49ee-973c-373d852ef4d9" xlink:to="loc_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis_ee369333-b750-4cdb-a218-c3d1a260619b" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain_ee369333-b750-4cdb-a218-c3d1a260619b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis_ee369333-b750-4cdb-a218-c3d1a260619b" xlink:to="loc_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain_ee369333-b750-4cdb-a218-c3d1a260619b_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain_65787cfb-efef-4d47-8694-2cf2361b2684" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis_ee369333-b750-4cdb-a218-c3d1a260619b" xlink:to="loc_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain_65787cfb-efef-4d47-8694-2cf2361b2684" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_OnexVendorMember_99972a94-1ff4-44d9-9ad8-5ba22b78f361" xlink:href="clvt-20220630.xsd#clvt_OnexVendorMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain_65787cfb-efef-4d47-8694-2cf2361b2684" xlink:to="loc_clvt_OnexVendorMember_99972a94-1ff4-44d9-9ad8-5ba22b78f361" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_BaringVendorMember_588a6b92-4267-4ba2-9830-af0bd54fce7a" xlink:href="clvt-20220630.xsd#clvt_BaringVendorMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain_65787cfb-efef-4d47-8694-2cf2361b2684" xlink:to="loc_clvt_BaringVendorMember_588a6b92-4267-4ba2-9830-af0bd54fce7a" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_VendorOneMember_b992b86b-28ff-42bd-88ba-a5c257dc212c" xlink:href="clvt-20220630.xsd#clvt_VendorOneMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain_65787cfb-efef-4d47-8694-2cf2361b2684" xlink:to="loc_clvt_VendorOneMember_b992b86b-28ff-42bd-88ba-a5c257dc212c" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_VendorTwoMember_8f379a52-a256-45d8-b300-e34e5833365c" xlink:href="clvt-20220630.xsd#clvt_VendorTwoMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain_65787cfb-efef-4d47-8694-2cf2361b2684" xlink:to="loc_clvt_VendorTwoMember_8f379a52-a256-45d8-b300-e34e5833365c" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_VendorThreeMember_9dae80bc-1a56-43ae-a3f4-acdbbbe8f5e3" xlink:href="clvt-20220630.xsd#clvt_VendorThreeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain_65787cfb-efef-4d47-8694-2cf2361b2684" xlink:to="loc_clvt_VendorThreeMember_9dae80bc-1a56-43ae-a3f4-acdbbbe8f5e3" xlink:type="arc" order="4"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/RestructuringDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#RestructuringDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/RestructuringDetails" xlink:type="extended" id="i649d98c8835e440b8d371a0760788991_RestructuringDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_0ae52750-614d-4295-aa6c-f5cf3d4c38ef" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestructuringCostAndReserveLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserveRollForward_fd007128-26d9-4bfe-96ad-acac09b7402d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestructuringReserveRollForward"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_0ae52750-614d-4295-aa6c-f5cf3d4c38ef" xlink:to="loc_us-gaap_RestructuringReserveRollForward_fd007128-26d9-4bfe-96ad-acac09b7402d" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserve_e8cb0bfa-4e09-4af2-acca-3786a1d0a86d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestructuringReserve"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_fd007128-26d9-4bfe-96ad-acac09b7402d" xlink:to="loc_us-gaap_RestructuringReserve_e8cb0bfa-4e09-4af2-acca-3786a1d0a86d" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_8df9cee2-3d7f-4535-8691-9cc28db6c4f3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestructuringCharges"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_fd007128-26d9-4bfe-96ad-acac09b7402d" xlink:to="loc_us-gaap_RestructuringCharges_8df9cee2-3d7f-4535-8691-9cc28db6c4f3" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRestructuring_03b1c220-a1a1-48db-94b1-5170eaf0de78" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsForRestructuring"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_fd007128-26d9-4bfe-96ad-acac09b7402d" xlink:to="loc_us-gaap_PaymentsForRestructuring_03b1c220-a1a1-48db-94b1-5170eaf0de78" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserveAccrualAdjustment1_7875301a-a901-4919-9b3f-5add876fc1aa" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestructuringReserveAccrualAdjustment1"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_fd007128-26d9-4bfe-96ad-acac09b7402d" xlink:to="loc_us-gaap_RestructuringReserveAccrualAdjustment1_7875301a-a901-4919-9b3f-5add876fc1aa" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_RestructuringReserveNoncashItemsAndOtherAdjustments_21250ff9-6b0c-4a5d-8c0e-e901f0435e11" xlink:href="clvt-20220630.xsd#clvt_RestructuringReserveNoncashItemsAndOtherAdjustments"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_fd007128-26d9-4bfe-96ad-acac09b7402d" xlink:to="loc_clvt_RestructuringReserveNoncashItemsAndOtherAdjustments_21250ff9-6b0c-4a5d-8c0e-e901f0435e11" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserve_0cab795d-9171-4e5e-a855-cb6f020f8b29" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestructuringReserve"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserveSettledWithoutCash2_1e41b09c-3543-4c05-8936-bd64d4f8d5fa" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestructuringReserveSettledWithoutCash2"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_0ae52750-614d-4295-aa6c-f5cf3d4c38ef" xlink:to="loc_us-gaap_RestructuringReserveSettledWithoutCash2_1e41b09c-3543-4c05-8936-bd64d4f8d5fa" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_SupplementalUnemploymentBenefitsSeverancePayDepositsEmployerContributionPercentOfEmployeesGrossPay_7c67a975-2a36-4497-a86a-1d3427a51e5e" xlink:href="clvt-20220630.xsd#clvt_SupplementalUnemploymentBenefitsSeverancePayDepositsEmployerContributionPercentOfEmployeesGrossPay"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_0ae52750-614d-4295-aa6c-f5cf3d4c38ef" xlink:to="loc_clvt_SupplementalUnemploymentBenefitsSeverancePayDepositsEmployerContributionPercentOfEmployeesGrossPay_7c67a975-2a36-4497-a86a-1d3427a51e5e" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_SupplementalUnemploymentBenefitsSeveranceLiabilityEmployerContributionPercentOfEmployeesGrossPay_72992f94-3597-4f6e-81db-3765a4945413" xlink:href="clvt-20220630.xsd#clvt_SupplementalUnemploymentBenefitsSeveranceLiabilityEmployerContributionPercentOfEmployeesGrossPay"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_0ae52750-614d-4295-aa6c-f5cf3d4c38ef" xlink:to="loc_clvt_SupplementalUnemploymentBenefitsSeveranceLiabilityEmployerContributionPercentOfEmployeesGrossPay_72992f94-3597-4f6e-81db-3765a4945413" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplementalUnemploymentBenefitsSeveranceBenefits_2ee354f7-fa17-42b8-ba2b-a95a0e6b0873" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SupplementalUnemploymentBenefitsSeveranceBenefits"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_0ae52750-614d-4295-aa6c-f5cf3d4c38ef" xlink:to="loc_us-gaap_SupplementalUnemploymentBenefitsSeveranceBenefits_2ee354f7-fa17-42b8-ba2b-a95a0e6b0873" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_RestructuringReserveAssetImpairmentCharge_2eddf263-2bd5-448f-aab6-dc62af9f84f2" xlink:href="clvt-20220630.xsd#clvt_RestructuringReserveAssetImpairmentCharge"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_0ae52750-614d-4295-aa6c-f5cf3d4c38ef" xlink:to="loc_clvt_RestructuringReserveAssetImpairmentCharge_2eddf263-2bd5-448f-aab6-dc62af9f84f2" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_NoncashImpairmentLeases_9f3661ef-0354-4b73-824e-7f723574f33d" xlink:href="clvt-20220630.xsd#clvt_NoncashImpairmentLeases"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_0ae52750-614d-4295-aa6c-f5cf3d4c38ef" xlink:to="loc_clvt_NoncashImpairmentLeases_9f3661ef-0354-4b73-824e-7f723574f33d" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseImpairmentLoss_541ce5e2-c23e-4b68-8d77-1fdc3f7c761d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseImpairmentLoss"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_0ae52750-614d-4295-aa6c-f5cf3d4c38ef" xlink:to="loc_us-gaap_OperatingLeaseImpairmentLoss_541ce5e2-c23e-4b68-8d77-1fdc3f7c761d" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnTerminationOfLease_42f8323e-e226-45e2-824f-4b03c82490d6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GainLossOnTerminationOfLease"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_0ae52750-614d-4295-aa6c-f5cf3d4c38ef" xlink:to="loc_us-gaap_GainLossOnTerminationOfLease_42f8323e-e226-45e2-824f-4b03c82490d6" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_562fa919-f339-4e52-a79a-4dab5fcbd713" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_0ae52750-614d-4295-aa6c-f5cf3d4c38ef" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_562fa919-f339-4e52-a79a-4dab5fcbd713" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveAxis_046d88e0-933c-4814-b012-3b286c6d7823" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestructuringCostAndReserveAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_562fa919-f339-4e52-a79a-4dab5fcbd713" xlink:to="loc_us-gaap_RestructuringCostAndReserveAxis_046d88e0-933c-4814-b012-3b286c6d7823" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_046d88e0-933c-4814-b012-3b286c6d7823_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TypeOfRestructuringDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_046d88e0-933c-4814-b012-3b286c6d7823" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_046d88e0-933c-4814-b012-3b286c6d7823_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_ec21e55c-6948-4859-a414-4b0312f49cf3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TypeOfRestructuringDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_046d88e0-933c-4814-b012-3b286c6d7823" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_ec21e55c-6948-4859-a414-4b0312f49cf3" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_SeveranceAndRelatedBenefitCostMember_0424c2f5-9a6f-4893-bb77-0226bd0245ac" xlink:href="clvt-20220630.xsd#clvt_SeveranceAndRelatedBenefitCostMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_ec21e55c-6948-4859-a414-4b0312f49cf3" xlink:to="loc_clvt_SeveranceAndRelatedBenefitCostMember_0424c2f5-9a6f-4893-bb77-0226bd0245ac" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ExitAndDisposalCostsMember_88d09119-e5d6-4512-a9f2-04d84abe9282" xlink:href="clvt-20220630.xsd#clvt_ExitAndDisposalCostsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_ec21e55c-6948-4859-a414-4b0312f49cf3" xlink:to="loc_clvt_ExitAndDisposalCostsMember_88d09119-e5d6-4512-a9f2-04d84abe9282" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ExitAndDisposalActivitiesMember_ce82829b-8f61-45e0-af4b-8445b448860d" xlink:href="clvt-20220630.xsd#clvt_ExitAndDisposalActivitiesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_ec21e55c-6948-4859-a414-4b0312f49cf3" xlink:to="loc_clvt_ExitAndDisposalActivitiesMember_ce82829b-8f61-45e0-af4b-8445b448860d" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_LeaseExistCostIncludingImpairmentMember_36731cee-9417-49e4-8522-6b458092e5d8" xlink:href="clvt-20220630.xsd#clvt_LeaseExistCostIncludingImpairmentMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_ec21e55c-6948-4859-a414-4b0312f49cf3" xlink:to="loc_clvt_LeaseExistCostIncludingImpairmentMember_36731cee-9417-49e4-8522-6b458092e5d8" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherRestructuringMember_3c72a591-9524-482f-88c2-90a1fd03a815" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherRestructuringMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_ec21e55c-6948-4859-a414-4b0312f49cf3" xlink:to="loc_us-gaap_OtherRestructuringMember_3c72a591-9524-482f-88c2-90a1fd03a815" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ImpairmentMember_ec93cd8a-0b95-4afd-a48e-ba185455e224" xlink:href="clvt-20220630.xsd#clvt_ImpairmentMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_ec21e55c-6948-4859-a414-4b0312f49cf3" xlink:to="loc_clvt_ImpairmentMember_ec93cd8a-0b95-4afd-a48e-ba185455e224" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_LeaseExitCostsMember_fccbf53f-818c-4aaa-9452-25b1bd0258fe" xlink:href="clvt-20220630.xsd#clvt_LeaseExitCostsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_ec21e55c-6948-4859-a414-4b0312f49cf3" xlink:to="loc_clvt_LeaseExitCostsMember_fccbf53f-818c-4aaa-9452-25b1bd0258fe" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ExitAndDisposalIncludingLeaseExitActivitiesMember_b7307687-c8a3-428e-b051-fa908f332e0a" xlink:href="clvt-20220630.xsd#clvt_ExitAndDisposalIncludingLeaseExitActivitiesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_ec21e55c-6948-4859-a414-4b0312f49cf3" xlink:to="loc_clvt_ExitAndDisposalIncludingLeaseExitActivitiesMember_b7307687-c8a3-428e-b051-fa908f332e0a" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_OtherCostsMember_7ce1fda5-e8fb-4148-bbc3-7fcd50769ec7" xlink:href="clvt-20220630.xsd#clvt_OtherCostsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_ec21e55c-6948-4859-a414-4b0312f49cf3" xlink:to="loc_clvt_OtherCostsMember_7ce1fda5-e8fb-4148-bbc3-7fcd50769ec7" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringPlanAxis_adf456c4-fdda-4902-930f-0620ab57d57c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestructuringPlanAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_562fa919-f339-4e52-a79a-4dab5fcbd713" xlink:to="loc_us-gaap_RestructuringPlanAxis_adf456c4-fdda-4902-930f-0620ab57d57c" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringPlanDomain_adf456c4-fdda-4902-930f-0620ab57d57c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestructuringPlanDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringPlanAxis_adf456c4-fdda-4902-930f-0620ab57d57c" xlink:to="loc_us-gaap_RestructuringPlanDomain_adf456c4-fdda-4902-930f-0620ab57d57c_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringPlanDomain_97548223-35ef-4dce-b972-1f72f00aff17" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestructuringPlanDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringPlanAxis_adf456c4-fdda-4902-930f-0620ab57d57c" xlink:to="loc_us-gaap_RestructuringPlanDomain_97548223-35ef-4dce-b972-1f72f00aff17" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_OperationSimplificationAndOptimizationProgramMember_159c8de1-aa97-47f7-86b6-40591ce90c22" xlink:href="clvt-20220630.xsd#clvt_OperationSimplificationAndOptimizationProgramMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringPlanDomain_97548223-35ef-4dce-b972-1f72f00aff17" xlink:to="loc_clvt_OperationSimplificationAndOptimizationProgramMember_159c8de1-aa97-47f7-86b6-40591ce90c22" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_DRGAcquisitionIntegrationProgramMember_ede727f4-e945-48cf-bdb9-2214f9dd78d2" xlink:href="clvt-20220630.xsd#clvt_DRGAcquisitionIntegrationProgramMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringPlanDomain_97548223-35ef-4dce-b972-1f72f00aff17" xlink:to="loc_clvt_DRGAcquisitionIntegrationProgramMember_ede727f4-e945-48cf-bdb9-2214f9dd78d2" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_CPAAcquisitionIntegrationProgramMember_fc61bf4f-7341-4bbc-be6f-ca3f5f0c4bc0" xlink:href="clvt-20220630.xsd#clvt_CPAAcquisitionIntegrationProgramMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringPlanDomain_97548223-35ef-4dce-b972-1f72f00aff17" xlink:to="loc_clvt_CPAAcquisitionIntegrationProgramMember_fc61bf4f-7341-4bbc-be6f-ca3f5f0c4bc0" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_OneClarivateProgramMember_486c3f5b-4b41-41fc-940a-edd5e475f488" xlink:href="clvt-20220630.xsd#clvt_OneClarivateProgramMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringPlanDomain_97548223-35ef-4dce-b972-1f72f00aff17" xlink:to="loc_clvt_OneClarivateProgramMember_486c3f5b-4b41-41fc-940a-edd5e475f488" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ProQuestAcquisitionIntegrationProgramMember_394abdf0-2fbb-4af3-9d7c-b9b3e4cac622" xlink:href="clvt-20220630.xsd#clvt_ProQuestAcquisitionIntegrationProgramMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringPlanDomain_97548223-35ef-4dce-b972-1f72f00aff17" xlink:to="loc_clvt_ProQuestAcquisitionIntegrationProgramMember_394abdf0-2fbb-4af3-9d7c-b9b3e4cac622" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_OtherRestructuringProgramsMember_3295fece-e09f-41af-a73c-a3ebf4149058" xlink:href="clvt-20220630.xsd#clvt_OtherRestructuringProgramsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringPlanDomain_97548223-35ef-4dce-b972-1f72f00aff17" xlink:to="loc_clvt_OtherRestructuringProgramsMember_3295fece-e09f-41af-a73c-a3ebf4149058" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_3860ff2d-369a-4e3b-a14e-02def6dc5311" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_562fa919-f339-4e52-a79a-4dab5fcbd713" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_3860ff2d-369a-4e3b-a14e-02def6dc5311" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_3860ff2d-369a-4e3b-a14e-02def6dc5311_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_3860ff2d-369a-4e3b-a14e-02def6dc5311" xlink:to="loc_us-gaap_SegmentDomain_3860ff2d-369a-4e3b-a14e-02def6dc5311_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_0f784e8c-70fe-4a00-9565-776fd66a798c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_3860ff2d-369a-4e3b-a14e-02def6dc5311" xlink:to="loc_us-gaap_SegmentDomain_0f784e8c-70fe-4a00-9565-776fd66a798c" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_ScienceGroupMember_39c866c4-dbef-42b4-b37a-34b073c8d1de" xlink:href="clvt-20220630.xsd#clvt_ScienceGroupMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_0f784e8c-70fe-4a00-9565-776fd66a798c" xlink:to="loc_clvt_ScienceGroupMember_39c866c4-dbef-42b4-b37a-34b073c8d1de" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_IntellectualPropertyGroupMember_bdd2ecc5-fc9e-411e-9615-fb105b0be355" xlink:href="clvt-20220630.xsd#clvt_IntellectualPropertyGroupMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_0f784e8c-70fe-4a00-9565-776fd66a798c" xlink:to="loc_clvt_IntellectualPropertyGroupMember_bdd2ecc5-fc9e-411e-9615-fb105b0be355" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_97313e97-1767-499b-bfec-3002a06bafce" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_StatementGeographicalAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_562fa919-f339-4e52-a79a-4dab5fcbd713" xlink:to="loc_srt_StatementGeographicalAxis_97313e97-1767-499b-bfec-3002a06bafce" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_97313e97-1767-499b-bfec-3002a06bafce_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_SegmentGeographicalDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_97313e97-1767-499b-bfec-3002a06bafce" xlink:to="loc_srt_SegmentGeographicalDomain_97313e97-1767-499b-bfec-3002a06bafce_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_e9c72ca1-94d9-4a99-9e4b-18dd68eac385" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_SegmentGeographicalDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_97313e97-1767-499b-bfec-3002a06bafce" xlink:to="loc_srt_SegmentGeographicalDomain_e9c72ca1-94d9-4a99-9e4b-18dd68eac385" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_country_IL_fc23f8ef-070f-4eae-be4e-fce9c985a284" xlink:href="https://xbrl.sec.gov/country/2021/country-2021.xsd#country_IL"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_e9c72ca1-94d9-4a99-9e4b-18dd68eac385" xlink:to="loc_country_IL_fc23f8ef-070f-4eae-be4e-fce9c985a284" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://clarivate.com/role/SubsequentEventsDetails" xlink:type="simple" xlink:href="clvt-20220630.xsd#SubsequentEventsDetails"/>
<link:definitionLink xlink:role="http://clarivate.com/role/SubsequentEventsDetails" xlink:type="extended" id="ibf52fc06b5e04d50b9c0dc3b5a698997_SubsequentEventsDetails">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventLineItems_0187b9b9-50bc-43b9-ba31-238e0017aca0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_clvt_NumberOfBoardMembers_d65b37f9-81ac-4a41-8e1a-a95f85b22fba" xlink:href="clvt-20220630.xsd#clvt_NumberOfBoardMembers"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_0187b9b9-50bc-43b9-ba31-238e0017aca0" xlink:to="loc_clvt_NumberOfBoardMembers_d65b37f9-81ac-4a41-8e1a-a95f85b22fba" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAmountOfHedgedItem_509a73e2-9049-40a2-ac96-0717ce175ddb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeAmountOfHedgedItem"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_0187b9b9-50bc-43b9-ba31-238e0017aca0" xlink:to="loc_us-gaap_DerivativeAmountOfHedgedItem_509a73e2-9049-40a2-ac96-0717ce175ddb" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTable_8ca58470-8be7-4ffb-9b83-2922ebdfba7c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SubsequentEventLineItems_0187b9b9-50bc-43b9-ba31-238e0017aca0" xlink:to="loc_us-gaap_SubsequentEventTable_8ca58470-8be7-4ffb-9b83-2922ebdfba7c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_8f6e91e4-6839-42ba-9c1a-7d9e4abe03e5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_8ca58470-8be7-4ffb-9b83-2922ebdfba7c" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_8f6e91e4-6839-42ba-9c1a-7d9e4abe03e5" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_8f6e91e4-6839-42ba-9c1a-7d9e4abe03e5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_8f6e91e4-6839-42ba-9c1a-7d9e4abe03e5" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_8f6e91e4-6839-42ba-9c1a-7d9e4abe03e5_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_aa57c40d-12cf-4834-9d49-de18ae604b8b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_8f6e91e4-6839-42ba-9c1a-7d9e4abe03e5" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_aa57c40d-12cf-4834-9d49-de18ae604b8b" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_c7b192aa-d5a2-4b84-8834-9d1a6a83b698" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_aa57c40d-12cf-4834-9d49-de18ae604b8b" xlink:to="loc_us-gaap_SubsequentEventMember_c7b192aa-d5a2-4b84-8834-9d1a6a83b698" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_77bbc34d-c257-4608-b664-6e4997dcb646" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_8ca58470-8be7-4ffb-9b83-2922ebdfba7c" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_77bbc34d-c257-4608-b664-6e4997dcb646" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_77bbc34d-c257-4608-b664-6e4997dcb646_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeContractTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_77bbc34d-c257-4608-b664-6e4997dcb646" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_77bbc34d-c257-4608-b664-6e4997dcb646_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_5d4424b5-73fc-4eaf-9091-38183c76c2a9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeContractTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_77bbc34d-c257-4608-b664-6e4997dcb646" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_5d4424b5-73fc-4eaf-9091-38183c76c2a9" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateSwapMember_15470ac6-9337-4f8f-afe9-0144a73ae219" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestRateSwapMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_5d4424b5-73fc-4eaf-9091-38183c76c2a9" xlink:to="loc_us-gaap_InterestRateSwapMember_15470ac6-9337-4f8f-afe9-0144a73ae219" xlink:type="arc" order="0"/>
</link:definitionLink>
</link:linkbase>


4 Subsequent Filings that Reference this Filing

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 2/27/24  Clarivate Plc                     10-K       12/31/23  121:13M
10/12/23  Clarivate Plc                     10-K/A     12/31/22  144:18M
 3/01/23  Clarivate Plc                     10-K       12/31/22  149:22M
12/01/22  Clarivate Plc                     S-3ASR     12/01/22    6:795K                                   Toppan Merrill/FA
Top
Filing Submission 0001764046-22-000142   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)

Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
AboutPrivacyRedactionsHelp — Sat., May 18, 2:15:18.2pm ET