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

enCore Energy Corp. – ‘40-F’ for 12/31/23 – ‘EX-101.DEF’

On:  Thursday, 3/28/24, at 3:38pm ET   ·   For:  12/31/23   ·   Accession #:  1213900-24-27149   ·   File #:  1-41489

Previous ‘40-F’:  ‘40-F/A’ on 6/7/23 for 12/31/22   ·   Latest ‘40-F’:  This Filing

Find Words in Filings emoji
 
  in    Show  and   Hints

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

 3/28/24  enCore Energy Corp.               40-F       12/31/23  114:11M                                    EdgarAgents LLC/FA

Annual Report by a Canadian Issuer   —   Form 40-F   —   SEA’34

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 40-F        Annual Report by a Canadian Issuer                  HTML     88K 
 2: EX-97       Incentive Compensation Recovery Policy              HTML     48K 
 3: EX-99.1     Annual Information Form for the Year Ended          HTML    774K 
                December 31, 2023                                                
12: EX-99.10    Consent of Carl Warren, P.E., P.G                   HTML     30K 
13: EX-99.11    Consent of Douglas L. Beahm, P.E, P.G               HTML     31K 
14: EX-99.12    Consent of Steve Cutler, P.G                        HTML     31K 
15: EX-99.13    Consent of Ray Moores, P.E                          HTML     30K 
16: EX-99.14    Consent of Matthew Yovich                           HTML     30K 
17: EX-99.15    Consent of John Seeley, Ph.D., P.G., C.P.G          HTML     30K 
 4: EX-99.2     Management's Discussion and Analysis for the Year   HTML    480K 
                Ended December 31, 2023                                          
 5: EX-99.3     Consolidated Financial Statements for the Year      HTML   1.09M 
                Ended December 31, 2023                                          
 6: EX-99.4     Miscellaneous Exhibit                               HTML     35K 
 7: EX-99.5     Miscellaneous Exhibit                               HTML     34K 
 8: EX-99.6     Miscellaneous Exhibit                               HTML     30K 
 9: EX-99.7     Miscellaneous Exhibit                               HTML     30K 
10: EX-99.8     Consent of Davidson & Company LLP                   HTML     30K 
11: EX-99.9     Consent of W. Paul Goranson, P.E                    HTML     30K 
23: R1          Document And Entity Information                     HTML     97K 
24: R2          Consolidated Statements of Financial Position       HTML    114K 
25: R3          Consolidated Statements of Loss and Comprehensive   HTML     96K 
                Loss                                                             
26: R4          Consolidated Statements of Cash Flows               HTML    134K 
27: R5          Consolidated Statements of Changes in               HTML     91K 
                Shareholders? Equity                                             
28: R6          Nature of Operations and Going Concern              HTML     35K 
29: R7          Material Accounting Policy Information              HTML     98K 
30: R8          Uranium Contracts                                   HTML     43K 
31: R9          Marketable Securities                               HTML     46K 
32: R10         Intangible Assets                                   HTML     47K 
33: R11         Property, Plant, and Equipment                      HTML     51K 
34: R12         Right-of-Use Assets and Lease Liability             HTML     52K 
35: R13         Asset Acquisition                                   HTML     41K 
36: R14         Mineral Properties                                  HTML     94K 
37: R15         Mining Properties                                   HTML     38K 
38: R16         Asset Retirement Obligations                        HTML     50K 
39: R17         Share Capital                                       HTML     95K 
40: R18         Related Party Transactions and Balances             HTML     48K 
41: R19         Management of Capital                               HTML     34K 
42: R20         Financial Instruments                               HTML     47K 
43: R21         Segmented Information                               HTML     52K 
44: R22         Supplemental cash flows                             HTML     39K 
45: R23         Current and Deferred Income Tax                     HTML     56K 
46: R24         Events After the Reporting Period                   HTML     42K 
47: R25         Accounting Policies, by Policy (Policies)           HTML    154K 
48: R26         Material Accounting Policy Information (Tables)     HTML     52K 
49: R27         Uranium Contracts (Tables)                          HTML     41K 
50: R28         Marketable Securities (Tables)                      HTML     40K 
51: R29         Intangible Assets (Tables)                          HTML     44K 
52: R30         Property, Plant, and Equipment (Tables)             HTML     50K 
53: R31         Right-of-Use Assets and Lease Liability (Tables)    HTML     49K 
54: R32         Asset Acquisition (Tables)                          HTML     41K 
55: R33         Mineral Properties (Tables)                         HTML     76K 
56: R34         Mining Properties (Tables)                          HTML     37K 
57: R35         Asset Retirement Obligations (Tables)               HTML     50K 
58: R36         Share Capital (Tables)                              HTML     88K 
59: R37         Related Party Transactions and Balances (Tables)    HTML     48K 
60: R38         Financial Instruments (Tables)                      HTML     35K 
61: R39         Segmented Information (Tables)                      HTML     51K 
62: R40         Supplemental cash flows (Tables)                    HTML     38K 
63: R41         Current and Deferred Income Tax (Tables)            HTML     58K 
64: R42         Material Accounting Policy Information (Details)    HTML     34K 
65: R43         Material Accounting Policy Information (Details) -  HTML    108K 
                Schedule of Significant Subsidiaries                             
66: R44         Material Accounting Policy Information (Details) -  HTML     49K 
                Schedule of Useful Lives of Property, Plant and                  
                Equipement                                                       
67: R45         Material Accounting Policy Information (Details) -  HTML     35K 
                Schedule of Useful Lives of Intangible Assets                    
68: R46         Uranium Contracts (Details)                         HTML     51K 
69: R47         Uranium Contracts (Details) - Schedule of the Fair  HTML     43K 
                Value of the Physical Uranium Investment                         
70: R48         Uranium Contracts (Details) - Schedule of Uranium   HTML     40K 
                Sales Contracts                                                  
71: R49         Marketable Securities (Details)                     HTML     68K 
72: R50         Marketable Securities (Details) - Schedule of       HTML     48K 
                Marketable Securities                                            
73: R51         Intangible Assets (Details)                         HTML     41K 
74: R52         Intangible Assets (Details) - Schedule of Change    HTML     54K 
                in the Intangible Assets                                         
75: R53         Property, Plant, and Equipment (Details) -          HTML     62K 
                Schedule of Fission Neutron (?PFN?) Technology and               
                Equipment                                                        
76: R54         Right-of-Use Assets and Lease Liability (Details)   HTML     42K 
77: R55         Right-of-Use Assets and Lease Liability (Details)   HTML     55K 
                - Schedule of Change in the Lease Liability                      
78: R56         Right-of-Use Assets and Lease Liability (Details)   HTML     43K 
                - Schedule of Undiscounted Future Lease Payments                 
79: R57         Asset Acquisition (Details)                         HTML     45K 
80: R58         Asset Acquisition (Details) - Schedule of Asset     HTML     53K 
                Acquisition                                                      
81: R59         Asset Acquisition (Details) - Schedule of Weighted  HTML     44K 
                Average Assumptions Used in the Black-Scholes                    
                Option Pricing Model                                             
82: R60         Mineral Properties (Details)                        HTML    105K 
83: R61         Mineral Properties (Details) - Schedule of Mineral  HTML    134K 
                Properties                                                       
84: R62         Mining Properties (Details)                         HTML     31K 
85: R63         Mining Properties (Details) - Schedule of Mining    HTML     39K 
                Property?s Balance                                               
86: R64         Asset Retirement Obligations (Details)              HTML     36K 
87: R65         Asset Retirement Obligations (Details) - Schedule   HTML     47K 
                of Asset Retirement Obligations Balance                          
88: R66         Asset Retirement Obligations (Details) - Schedule   HTML     39K 
                of Asset Retirement Obligations Continuity                       
89: R67         Share Capital (Details)                             HTML    134K 
90: R68         Share Capital (Details) - Schedule of Weighted      HTML     45K 
                Average Assumptions Used in the Black-Scholes                    
                Option Pricing Model                                             
91: R69         Share Capital (Details) - Schedule of Company?s     HTML     53K 
                Stock Options Outstanding                                        
92: R70         Share Capital (Details) - Schedule of Stock         HTML     52K 
                Options Outstanding                                              
93: R71         Share Capital (Details) - Schedule of Weighted      HTML     41K 
                Average Assumptions Used in Calculating the Fair                 
                Values                                                           
94: R72         Share Capital (Details) - Schedule of the Status    HTML     48K 
                of the Company?s Warrants                                        
95: R73         Share Capital (Details) - Schedule of Share         HTML     42K 
                Purchase Warrants Outstanding                                    
96: R74         Share Capital (Details) - Schedule of               HTML     56K 
                Reconciliation of the Convertible Debenture                      
                Components                                                       
97: R75         Related Party Transactions and Balances (Details)   HTML     41K 
98: R76         Related Party Transactions and Balances (Details)   HTML     45K 
                - Schedule of Amounts Paid to Key Management                     
99: R77         Related Party Transactions and Balances (Details)   HTML     39K 
                - Schedule of Owing to Related Parties                           
100: R78         Financial Instruments (Details)                     HTML     37K  
101: R79         Financial Instruments (Details) - Schedule of       HTML     38K  
                Foreign Currency Exposures                                       
102: R80         Segmented Information (Details) - Schedule of       HTML     65K  
                Long-Term Assets by Geographic Segment                           
103: R81         Supplemental cash flows (Details) - Schedule of     HTML     49K  
                Incurred Non-Cash Financing and Investing                        
                Activities                                                       
104: R82         Current and Deferred Income Tax (Details)           HTML     37K  
105: R83         Current and Deferred Income Tax (Details) -         HTML     51K  
                Schedule of Income Tax Expense (Recovery)                        
106: R84         Current and Deferred Income Tax (Details) -         HTML     56K  
                Schedule of Income Tax Provision                                 
107: R85         Current and Deferred Income Tax (Details) -         HTML     45K  
                Schedule of Deferred Tax Liabilities                             
108: R86         Current and Deferred Income Tax (Details) -         HTML     37K  
                Schedule of Unrecognized Deferred Tax Assets                     
109: R87         Events After the Reporting Period (Details)         HTML    102K  
111: XML         IDEA XML File -- Filing Summary                      XML    200K  
114: XML         XBRL Instance -- ea0202333-40f_encore_htm            XML   2.15M  
110: EXCEL       IDEA Workbook of Financial Report Info              XLSX    205K  
19: EX-101.CAL  XBRL Calculations -- cve-20231231_cal                XML    159K 
20: EX-101.DEF  XBRL Definitions -- cve-20231231_def                 XML   1.11M 
21: EX-101.LAB  XBRL Labels -- cve-20231231_lab                      XML   2.33M 
22: EX-101.PRE  XBRL Presentations -- cve-20231231_pre               XML   1.11M 
18: EX-101.SCH  XBRL Schema -- cve-20231231                          XSD    453K 
112: JSON        XBRL Instance as JSON Data -- MetaLinks              463±   659K  
113: ZIP         XBRL Zipped Folder -- 0001213900-24-027149-xbrl      Zip    692K  


‘EX-101.DEF’   —   XBRL Definitions — cve-20231231_def


This Exhibit is an XBRL File.


                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<!-- Generated by CompSci Transform (tm) - http://www.compsciresources.com -->
<!-- Created: Thu Mar 28 19:24:07 UTC 2024 -->
<linkbase xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:xbrldt="http://xbrl.org/2005/xbrldt">
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ConsolidatedBalanceSheet" roleURI="http://encoreuranium.com/role/ConsolidatedBalanceSheet"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ConsolidatedComprehensiveIncome" roleURI="http://encoreuranium.com/role/ConsolidatedComprehensiveIncome"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ConsolidatedCashFlow" roleURI="http://encoreuranium.com/role/ConsolidatedCashFlow"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ShareholdersEquityType2or3" roleURI="http://encoreuranium.com/role/ShareholdersEquityType2or3"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_NatureofOperationsandGoingConcern" roleURI="http://encoreuranium.com/role/NatureofOperationsandGoingConcern"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_MaterialAccountingPolicyInformation" roleURI="http://encoreuranium.com/role/MaterialAccountingPolicyInformation"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_UraniumContracts" roleURI="http://encoreuranium.com/role/UraniumContracts"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_MarketableSecurities" roleURI="http://encoreuranium.com/role/MarketableSecurities"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_IntangibleAssets" roleURI="http://encoreuranium.com/role/IntangibleAssets"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_PropertyPlantandEquipment" roleURI="http://encoreuranium.com/role/PropertyPlantandEquipment"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_RightofUseAssetsandLeaseLiability" roleURI="http://encoreuranium.com/role/RightofUseAssetsandLeaseLiability"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_AssetAcquisition" roleURI="http://encoreuranium.com/role/AssetAcquisition"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_MineralProperties" roleURI="http://encoreuranium.com/role/MineralProperties"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_MiningProperties" roleURI="http://encoreuranium.com/role/MiningProperties"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_AssetRetirementObligations" roleURI="http://encoreuranium.com/role/AssetRetirementObligations"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ShareCapital" roleURI="http://encoreuranium.com/role/ShareCapital"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_RelatedPartyTransactionsandBalances" roleURI="http://encoreuranium.com/role/RelatedPartyTransactionsandBalances"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ManagementofCapital" roleURI="http://encoreuranium.com/role/ManagementofCapital"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_FinancialInstruments" roleURI="http://encoreuranium.com/role/FinancialInstruments"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_SegmentedInformation" roleURI="http://encoreuranium.com/role/SegmentedInformation"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_Supplementalcashflows" roleURI="http://encoreuranium.com/role/Supplementalcashflows"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_CurrentandDeferredIncomeTax" roleURI="http://encoreuranium.com/role/CurrentandDeferredIncomeTax"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_EventsAftertheReportingPeriod" roleURI="http://encoreuranium.com/role/EventsAftertheReportingPeriod"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_AccountingPoliciesByPolicy" roleURI="http://encoreuranium.com/role/AccountingPoliciesByPolicy"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_MaterialAccountingPolicyInformationTables" roleURI="http://encoreuranium.com/role/MaterialAccountingPolicyInformationTables"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_UraniumContractsTables" roleURI="http://encoreuranium.com/role/UraniumContractsTables"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_MarketableSecuritiesTables" roleURI="http://encoreuranium.com/role/MarketableSecuritiesTables"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_IntangibleAssetsTables" roleURI="http://encoreuranium.com/role/IntangibleAssetsTables"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_PropertyPlantandEquipmentTables" roleURI="http://encoreuranium.com/role/PropertyPlantandEquipmentTables"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_RightofUseAssetsandLeaseLiabilityTables" roleURI="http://encoreuranium.com/role/RightofUseAssetsandLeaseLiabilityTables"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_AssetAcquisitionTables" roleURI="http://encoreuranium.com/role/AssetAcquisitionTables"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_MineralPropertiesTables" roleURI="http://encoreuranium.com/role/MineralPropertiesTables"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_MiningPropertiesTables" roleURI="http://encoreuranium.com/role/MiningPropertiesTables"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_AssetRetirementObligationsTables" roleURI="http://encoreuranium.com/role/AssetRetirementObligationsTables"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ShareCapitalTables" roleURI="http://encoreuranium.com/role/ShareCapitalTables"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_RelatedPartyTransactionsandBalancesTables" roleURI="http://encoreuranium.com/role/RelatedPartyTransactionsandBalancesTables"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_FinancialInstrumentsTables" roleURI="http://encoreuranium.com/role/FinancialInstrumentsTables"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_SegmentedInformationTables" roleURI="http://encoreuranium.com/role/SegmentedInformationTables"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_SupplementalcashflowsTables" roleURI="http://encoreuranium.com/role/SupplementalcashflowsTables"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_CurrentandDeferredIncomeTaxTables" roleURI="http://encoreuranium.com/role/CurrentandDeferredIncomeTaxTables"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ScheduleofSignificantSubsidiariesTable" roleURI="http://encoreuranium.com/role/ScheduleofSignificantSubsidiariesTable"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ScheduleofUsefulLivesofPropertyPlantandEquipementTable" roleURI="http://encoreuranium.com/role/ScheduleofUsefulLivesofPropertyPlantandEquipementTable"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ScheduleofUsefulLivesofIntangibleAssetsTable" roleURI="http://encoreuranium.com/role/ScheduleofUsefulLivesofIntangibleAssetsTable"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ScheduleoftheFairValueofthePhysicalUraniumInvestmentTable" roleURI="http://encoreuranium.com/role/ScheduleoftheFairValueofthePhysicalUraniumInvestmentTable"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ScheduleofUraniumSalesContractsTable" roleURI="http://encoreuranium.com/role/ScheduleofUraniumSalesContractsTable"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ScheduleofMarketableSecuritiesTable" roleURI="http://encoreuranium.com/role/ScheduleofMarketableSecuritiesTable"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ScheduleofChangeintheIntangibleAssetsTable" roleURI="http://encoreuranium.com/role/ScheduleofChangeintheIntangibleAssetsTable"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ScheduleofFissionNeutronPFNTechnologyandEquipmentTable" roleURI="http://encoreuranium.com/role/ScheduleofFissionNeutronPFNTechnologyandEquipmentTable"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ScheduleofChangeintheLeaseLiabilityTable" roleURI="http://encoreuranium.com/role/ScheduleofChangeintheLeaseLiabilityTable"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ScheduleofUndiscountedFutureLeasePaymentsTable" roleURI="http://encoreuranium.com/role/ScheduleofUndiscountedFutureLeasePaymentsTable"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ScheduleofAssetAcquisitionTable" roleURI="http://encoreuranium.com/role/ScheduleofAssetAcquisitionTable"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ScheduleofWeightedAverageAssumptionsUsedintheBlackScholesOptionPricingModelTable" roleURI="http://encoreuranium.com/role/ScheduleofWeightedAverageAssumptionsUsedintheBlackScholesOptionPricingModelTable"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ScheduleofMineralPropertiesTable" roleURI="http://encoreuranium.com/role/ScheduleofMineralPropertiesTable"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ScheduleofMiningPropertysBalanceTable" roleURI="http://encoreuranium.com/role/ScheduleofMiningPropertysBalanceTable"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ScheduleofAssetRetirementObligationsBalanceTable" roleURI="http://encoreuranium.com/role/ScheduleofAssetRetirementObligationsBalanceTable"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ScheduleofAssetRetirementObligationsContinuityTable" roleURI="http://encoreuranium.com/role/ScheduleofAssetRetirementObligationsContinuityTable"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ScheduleofWeightedAverageAssumptionsUsedintheBlackScholesOptionPricingModelTable0" roleURI="http://encoreuranium.com/role/ScheduleofWeightedAverageAssumptionsUsedintheBlackScholesOptionPricingModelTable0"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ScheduleofCompanysStockOptionsOutstandingTable" roleURI="http://encoreuranium.com/role/ScheduleofCompanysStockOptionsOutstandingTable"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ScheduleofStockOptionsOutstandingTable" roleURI="http://encoreuranium.com/role/ScheduleofStockOptionsOutstandingTable"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ScheduleofWeightedAverageAssumptionsUsedinCalculatingtheFairValuesTable" roleURI="http://encoreuranium.com/role/ScheduleofWeightedAverageAssumptionsUsedinCalculatingtheFairValuesTable"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ScheduleoftheStatusoftheCompanysWarrantsTable" roleURI="http://encoreuranium.com/role/ScheduleoftheStatusoftheCompanysWarrantsTable"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ScheduleofSharePurchaseWarrantsOutstandingTable" roleURI="http://encoreuranium.com/role/ScheduleofSharePurchaseWarrantsOutstandingTable"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ScheduleofReconciliationoftheConvertibleDebentureComponentsTable" roleURI="http://encoreuranium.com/role/ScheduleofReconciliationoftheConvertibleDebentureComponentsTable"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ScheduleofAmountsPaidtoKeyManagementTable" roleURI="http://encoreuranium.com/role/ScheduleofAmountsPaidtoKeyManagementTable"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ScheduleofOwingtoRelatedPartiesTable" roleURI="http://encoreuranium.com/role/ScheduleofOwingtoRelatedPartiesTable"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ScheduleofForeignCurrencyExposuresTable" roleURI="http://encoreuranium.com/role/ScheduleofForeignCurrencyExposuresTable"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ScheduleofLongTermAssetsbyGeographicSegmentTable" roleURI="http://encoreuranium.com/role/ScheduleofLongTermAssetsbyGeographicSegmentTable"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ScheduleofIncurredNonCashFinancingandInvestingActivitiesTable" roleURI="http://encoreuranium.com/role/ScheduleofIncurredNonCashFinancingandInvestingActivitiesTable"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ScheduleofIncomeTaxExpenseRecoveryTable" roleURI="http://encoreuranium.com/role/ScheduleofIncomeTaxExpenseRecoveryTable"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ScheduleofIncomeTaxProvisionTable" roleURI="http://encoreuranium.com/role/ScheduleofIncomeTaxProvisionTable"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ScheduleofDeferredTaxLiabilitiesTable" roleURI="http://encoreuranium.com/role/ScheduleofDeferredTaxLiabilitiesTable"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ScheduleofUnrecognizedDeferredTaxAssetsTable" roleURI="http://encoreuranium.com/role/ScheduleofUnrecognizedDeferredTaxAssetsTable"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_MaterialAccountingPolicyInformationDetails" roleURI="http://encoreuranium.com/role/MaterialAccountingPolicyInformationDetails"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_UraniumContractsDetails" roleURI="http://encoreuranium.com/role/UraniumContractsDetails"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_MarketableSecuritiesDetails" roleURI="http://encoreuranium.com/role/MarketableSecuritiesDetails"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_IntangibleAssetsDetails" roleURI="http://encoreuranium.com/role/IntangibleAssetsDetails"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_RightofUseAssetsandLeaseLiabilityDetails" roleURI="http://encoreuranium.com/role/RightofUseAssetsandLeaseLiabilityDetails"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_AssetAcquisitionDetails" roleURI="http://encoreuranium.com/role/AssetAcquisitionDetails"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_MineralPropertiesDetails" roleURI="http://encoreuranium.com/role/MineralPropertiesDetails"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_MiningPropertiesDetails" roleURI="http://encoreuranium.com/role/MiningPropertiesDetails"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_AssetRetirementObligationsDetails" roleURI="http://encoreuranium.com/role/AssetRetirementObligationsDetails"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_ShareCapitalDetails" roleURI="http://encoreuranium.com/role/ShareCapitalDetails"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_RelatedPartyTransactionsandBalancesDetails" roleURI="http://encoreuranium.com/role/RelatedPartyTransactionsandBalancesDetails"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_FinancialInstrumentsDetails" roleURI="http://encoreuranium.com/role/FinancialInstrumentsDetails"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_CurrentandDeferredIncomeTaxDetails" roleURI="http://encoreuranium.com/role/CurrentandDeferredIncomeTaxDetails"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#cve_r_EventsAftertheReportingPeriodDetails" roleURI="http://encoreuranium.com/role/EventsAftertheReportingPeriodDetails"/>
<roleRef xlink:type="simple" xlink:href="cve-20231231.xsd#DocumentAndEntityInformation" roleURI="http://encoreuranium.com/role/DocumentAndEntityInformation"/>
<arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default"/>
<arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain"/>
<arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension"/>
<arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member"/>
<arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" arcroleURI="http://xbrl.org/int/dim/arcrole/all"/>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ConsolidatedBalanceSheet">
<loc xlink:type="locator" xlink:label="ifrs-full_StatementOfFinancialPositionAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_StatementOfFinancialPositionAbstract"/>
<loc xlink:type="locator" xlink:label="ifrs-full_CurrentAssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CurrentAssetsAbstract"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfFinancialPositionAbstract" xlink:to="ifrs-full_CurrentAssetsAbstract" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_Cash" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_Cash"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_CurrentAssetsAbstract" xlink:to="ifrs-full_Cash" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_TradeAndOtherReceivables" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_TradeAndOtherReceivables"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_CurrentAssetsAbstract" xlink:to="ifrs-full_TradeAndOtherReceivables" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_MarketableSecuritiecurrent" xlink:href="cve-20231231.xsd#cve_MarketableSecuritiecurrent"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_CurrentAssetsAbstract" xlink:to="cve_MarketableSecuritiecurrent" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ShorttermDepositsNotClassifiedAsCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ShorttermDepositsNotClassifiedAsCashEquivalents"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_CurrentAssetsAbstract" xlink:to="ifrs-full_ShorttermDepositsNotClassifiedAsCashEquivalents" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_RawMaterials" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RawMaterials"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_CurrentAssetsAbstract" xlink:to="ifrs-full_RawMaterials" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_CurrentAssetsAbstract" xlink:to="ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners" order="5" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_CurrentAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CurrentAssets"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_CurrentAssetsAbstract" xlink:to="ifrs-full_CurrentAssets" order="6" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_NonCurrentAssetsAbstract" xlink:href="cve-20231231.xsd#cve_NonCurrentAssetsAbstract"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfFinancialPositionAbstract" xlink:to="cve_NonCurrentAssetsAbstract" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwill"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_NonCurrentAssetsAbstract" xlink:to="ifrs-full_IntangibleAssetsOtherThanGoodwill" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_PropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_PropertyPlantAndEquipment"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_NonCurrentAssetsAbstract" xlink:to="ifrs-full_PropertyPlantAndEquipment" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_MarketablesSecuritiesNoncurrent" xlink:href="cve-20231231.xsd#cve_MarketablesSecuritiesNoncurrent"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_NonCurrentAssetsAbstract" xlink:to="cve_MarketablesSecuritiesNoncurrent" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_MineralProperties" xlink:href="cve-20231231.xsd#cve_MineralProperties"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_NonCurrentAssetsAbstract" xlink:to="cve_MineralProperties" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_MiningProperties" xlink:href="cve-20231231.xsd#cve_MiningProperties"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_NonCurrentAssetsAbstract" xlink:to="cve_MiningProperties" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_LongtermDeposits" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_LongtermDeposits"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_NonCurrentAssetsAbstract" xlink:to="ifrs-full_LongtermDeposits" order="5" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_RightofuseAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RightofuseAssets"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_NonCurrentAssetsAbstract" xlink:to="ifrs-full_RightofuseAssets" order="6" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DeferredTaxAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DeferredTaxAssets"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_NonCurrentAssetsAbstract" xlink:to="ifrs-full_DeferredTaxAssets" order="7" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_NoncurrentFinancialAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NoncurrentFinancialAssets"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_NonCurrentAssetsAbstract" xlink:to="ifrs-full_NoncurrentFinancialAssets" order="8" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_RestrictedCashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RestrictedCashAndCashEquivalents"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_NonCurrentAssetsAbstract" xlink:to="ifrs-full_RestrictedCashAndCashEquivalents" order="9" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_Assets" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_Assets"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfFinancialPositionAbstract" xlink:to="ifrs-full_Assets" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_CurrentLiabilitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CurrentLiabilitiesAbstract"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfFinancialPositionAbstract" xlink:to="ifrs-full_CurrentLiabilitiesAbstract" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_TradeAndOtherCurrentPayables" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_TradeAndOtherCurrentPayables"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_CurrentLiabilitiesAbstract" xlink:to="ifrs-full_TradeAndOtherCurrentPayables" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_TradeAndOtherCurrentPayablesToRelatedParties" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_TradeAndOtherCurrentPayablesToRelatedParties"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_CurrentLiabilitiesAbstract" xlink:to="ifrs-full_TradeAndOtherCurrentPayablesToRelatedParties" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_CurrentLeaseLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CurrentLeaseLiabilities"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_CurrentLiabilitiesAbstract" xlink:to="ifrs-full_CurrentLeaseLiabilities" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_CurrentLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CurrentLiabilities"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_CurrentLiabilitiesAbstract" xlink:to="ifrs-full_CurrentLiabilities" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_NonCurrentLiabilitiesAbstract" xlink:href="cve-20231231.xsd#cve_NonCurrentLiabilitiesAbstract"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfFinancialPositionAbstract" xlink:to="cve_NonCurrentLiabilitiesAbstract" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DefinedBenefitObligationAtPresentValue" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DefinedBenefitObligationAtPresentValue"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_NonCurrentLiabilitiesAbstract" xlink:to="ifrs-full_DefinedBenefitObligationAtPresentValue" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_NoncurrentPortionOfNoncurrentNotesAndDebenturesIssued" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NoncurrentPortionOfNoncurrentNotesAndDebenturesIssued"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_NonCurrentLiabilitiesAbstract" xlink:to="ifrs-full_NoncurrentPortionOfNoncurrentNotesAndDebenturesIssued" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_NoncurrentLeaseLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NoncurrentLeaseLiabilities"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_NonCurrentLiabilitiesAbstract" xlink:to="ifrs-full_NoncurrentLeaseLiabilities" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_Liabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_Liabilities"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfFinancialPositionAbstract" xlink:to="ifrs-full_Liabilities" order="5" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_EquityAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_EquityAbstract"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfFinancialPositionAbstract" xlink:to="ifrs-full_EquityAbstract" order="6" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_IssuedCapital" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IssuedCapital"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_EquityAbstract" xlink:to="ifrs-full_IssuedCapital" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_SharePremium" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_SharePremium"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_EquityAbstract" xlink:to="ifrs-full_SharePremium" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_EquityAttributableToOwnersOfParent" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_EquityAttributableToOwnersOfParent"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_EquityAbstract" xlink:to="ifrs-full_EquityAttributableToOwnersOfParent" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ContributedSurplus" xlink:href="cve-20231231.xsd#cve_ContributedSurplus"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_EquityAbstract" xlink:to="cve_ContributedSurplus" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AccumulatedOtherComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AccumulatedOtherComprehensiveIncome"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_EquityAbstract" xlink:to="ifrs-full_AccumulatedOtherComprehensiveIncome" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_RetainedEarnings" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RetainedEarnings"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_EquityAbstract" xlink:to="ifrs-full_RetainedEarnings" order="5" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_Equity" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_Equity"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfFinancialPositionAbstract" xlink:to="ifrs-full_Equity" order="7" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_EquityAndLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_EquityAndLiabilities"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfFinancialPositionAbstract" xlink:to="ifrs-full_EquityAndLiabilities" order="8" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ConsolidatedComprehensiveIncome">
<loc xlink:type="locator" xlink:label="cve_ConsolidatedStatementsOfLossAndComprehensiveLossAbstract" xlink:href="cve-20231231.xsd#cve_ConsolidatedStatementsOfLossAndComprehensiveLossAbstract"/>
<loc xlink:type="locator" xlink:label="ifrs-full_IncomeStatementAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IncomeStatementAbstract"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ConsolidatedStatementsOfLossAndComprehensiveLossAbstract" xlink:to="ifrs-full_IncomeStatementAbstract" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_AccretionExpenses" xlink:href="cve-20231231.xsd#cve_AccretionExpenses"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_IncomeStatementAbstract" xlink:to="cve_AccretionExpenses" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DepreciationAndAmortisationExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DepreciationAndAmortisationExpense"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_IncomeStatementAbstract" xlink:to="ifrs-full_DepreciationAndAmortisationExpense" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeneralAndAdministrativeExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeneralAndAdministrativeExpense"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_IncomeStatementAbstract" xlink:to="ifrs-full_GeneralAndAdministrativeExpense" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ImpairmentOfMineralProperties" xlink:href="cve-20231231.xsd#cve_ImpairmentOfMineralProperties"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_IncomeStatementAbstract" xlink:to="cve_ImpairmentOfMineralProperties" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ProfessionalFeesExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ProfessionalFeesExpense"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_IncomeStatementAbstract" xlink:to="ifrs-full_ProfessionalFeesExpense" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_CommunicationExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CommunicationExpense"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_IncomeStatementAbstract" xlink:to="ifrs-full_CommunicationExpense" order="5" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_TravelExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_TravelExpense"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_IncomeStatementAbstract" xlink:to="ifrs-full_TravelExpense" order="6" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_TransferAgentAndFilingFees" xlink:href="cve-20231231.xsd#cve_TransferAgentAndFilingFees"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_IncomeStatementAbstract" xlink:to="cve_TransferAgentAndFilingFees" order="7" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_WagesAndSalaries" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_WagesAndSalaries"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_IncomeStatementAbstract" xlink:to="ifrs-full_WagesAndSalaries" order="8" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_IncomeStatementAbstract" xlink:to="ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" order="9" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ProfitLossFromOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ProfitLossFromOperatingActivities"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ConsolidatedStatementsOfLossAndComprehensiveLossAbstract" xlink:to="ifrs-full_ProfitLossFromOperatingActivities" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ConsolidatedStatementsOfLossAndComprehensiveLossAbstract" xlink:to="ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GainLossOnRemeasurementOfReimbursementRights" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GainLossOnRemeasurementOfReimbursementRights"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ConsolidatedStatementsOfLossAndComprehensiveLossAbstract" xlink:to="ifrs-full_GainLossOnRemeasurementOfReimbursementRights" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GainsLossesOnDisposalsOfPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GainsLossesOnDisposalsOfPropertyPlantAndEquipment"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ConsolidatedStatementsOfLossAndComprehensiveLossAbstract" xlink:to="ifrs-full_GainsLossesOnDisposalsOfPropertyPlantAndEquipment" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_GainOnSaleOfUraniumInvestment" xlink:href="cve-20231231.xsd#cve_GainOnSaleOfUraniumInvestment"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ConsolidatedStatementsOfLossAndComprehensiveLossAbstract" xlink:to="cve_GainOnSaleOfUraniumInvestment" order="5" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_InterestExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_InterestExpense"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ConsolidatedStatementsOfLossAndComprehensiveLossAbstract" xlink:to="ifrs-full_InterestExpense" order="6" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_RevenueFromInterest" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RevenueFromInterest"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ConsolidatedStatementsOfLossAndComprehensiveLossAbstract" xlink:to="ifrs-full_RevenueFromInterest" order="7" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GainsLossesOnDisposalsOfInvestments" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GainsLossesOnDisposalsOfInvestments"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ConsolidatedStatementsOfLossAndComprehensiveLossAbstract" xlink:to="ifrs-full_GainsLossesOnDisposalsOfInvestments" order="8" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GainOnRecoveryOfLoansAndAdvancesPreviouslyWrittenOff" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GainOnRecoveryOfLoansAndAdvancesPreviouslyWrittenOff"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ConsolidatedStatementsOfLossAndComprehensiveLossAbstract" xlink:to="ifrs-full_GainOnRecoveryOfLoansAndAdvancesPreviouslyWrittenOff" order="9" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_UnrealizedGainOnMarketableSecurities" xlink:href="cve-20231231.xsd#cve_UnrealizedGainOnMarketableSecurities"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ConsolidatedStatementsOfLossAndComprehensiveLossAbstract" xlink:to="cve_UnrealizedGainOnMarketableSecurities" order="10" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ProfitLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ProfitLoss"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ConsolidatedStatementsOfLossAndComprehensiveLossAbstract" xlink:to="ifrs-full_ProfitLoss" order="11" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_OtherComprehensiveIncomeNetOfTaxHedgesOfNetInvestmentsInForeignOperations" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_OtherComprehensiveIncomeNetOfTaxHedgesOfNetInvestmentsInForeignOperations"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ProfitLoss" xlink:to="ifrs-full_OtherComprehensiveIncomeNetOfTaxHedgesOfNetInvestmentsInForeignOperations" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ComprehensiveIncome"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ConsolidatedStatementsOfLossAndComprehensiveLossAbstract" xlink:to="ifrs-full_ComprehensiveIncome" order="12" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_WeightedAverageNumberOfCommonSharesOutstandingAbstract" xlink:href="cve-20231231.xsd#cve_WeightedAverageNumberOfCommonSharesOutstandingAbstract"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ConsolidatedStatementsOfLossAndComprehensiveLossAbstract" xlink:to="cve_WeightedAverageNumberOfCommonSharesOutstandingAbstract" order="13" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_WeightedAverageShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_WeightedAverageShares"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_WeightedAverageNumberOfCommonSharesOutstandingAbstract" xlink:to="ifrs-full_WeightedAverageShares" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AdjustedWeightedAverageShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AdjustedWeightedAverageShares"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_WeightedAverageNumberOfCommonSharesOutstandingAbstract" xlink:to="ifrs-full_AdjustedWeightedAverageShares" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_BasicEarningsLossPerShare" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_BasicEarningsLossPerShare"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_WeightedAverageNumberOfCommonSharesOutstandingAbstract" xlink:to="ifrs-full_BasicEarningsLossPerShare" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DilutedEarningsLossPerShare" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DilutedEarningsLossPerShare"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_WeightedAverageNumberOfCommonSharesOutstandingAbstract" xlink:to="ifrs-full_DilutedEarningsLossPerShare" order="3" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ConsolidatedCashFlow">
<loc xlink:type="locator" xlink:label="ifrs-full_StatementOfCashFlowsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_StatementOfCashFlowsAbstract"/>
<loc xlink:type="locator" xlink:label="cve_OperatingActivitiesAbstract" xlink:href="cve-20231231.xsd#cve_OperatingActivitiesAbstract"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfCashFlowsAbstract" xlink:to="cve_OperatingActivitiesAbstract" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ProfitLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ProfitLoss"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_OperatingActivitiesAbstract" xlink:to="ifrs-full_ProfitLoss" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_AdjustmentsforAccretion" xlink:href="cve-20231231.xsd#cve_AdjustmentsforAccretion"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ProfitLoss" xlink:to="cve_AdjustmentsforAccretion" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ProfitLoss" xlink:to="ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ProfitLoss" xlink:to="ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ProfitLoss" xlink:to="ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForSharebasedPayments" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AdjustmentsForSharebasedPayments"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ProfitLoss" xlink:to="ifrs-full_AdjustmentsForSharebasedPayments" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForInterestIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AdjustmentsForInterestIncome"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ProfitLoss" xlink:to="ifrs-full_AdjustmentsForInterestIncome" order="5" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForDeferredTaxExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AdjustmentsForDeferredTaxExpense"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ProfitLoss" xlink:to="ifrs-full_AdjustmentsForDeferredTaxExpense" order="6" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ProfitLoss" xlink:to="ifrs-full_AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment" order="7" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ProfitLoss" xlink:to="ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities" order="8" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_AdjustmentsforGainOnSaleOfUraniumInvestment" xlink:href="cve-20231231.xsd#cve_AdjustmentsforGainOnSaleOfUraniumInvestment"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ProfitLoss" xlink:to="cve_AdjustmentsforGainOnSaleOfUraniumInvestment" order="9" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_PurchaseofSettlementOfAssetRetirementObligation" xlink:href="cve-20231231.xsd#cve_PurchaseofSettlementOfAssetRetirementObligation"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ProfitLoss" xlink:to="cve_PurchaseofSettlementOfAssetRetirementObligation" order="10" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_AdjustmentforUnrealizedgainLossOnMarketableSecurities" xlink:href="cve-20231231.xsd#cve_AdjustmentforUnrealizedgainLossOnMarketableSecurities"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ProfitLoss" xlink:to="cve_AdjustmentforUnrealizedgainLossOnMarketableSecurities" order="11" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_AdjustmentforLossOnInvestmentInAssociates" xlink:href="cve-20231231.xsd#cve_AdjustmentforLossOnInvestmentInAssociates"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ProfitLoss" xlink:to="cve_AdjustmentforLossOnInvestmentInAssociates" order="12" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ChangesInNonCashWorkingCapitalItemsAbstract" xlink:href="cve-20231231.xsd#cve_ChangesInNonCashWorkingCapitalItemsAbstract"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_OperatingActivitiesAbstract" xlink:to="cve_ChangesInNonCashWorkingCapitalItemsAbstract" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInOtherOperatingReceivables" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInOtherOperatingReceivables"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ChangesInNonCashWorkingCapitalItemsAbstract" xlink:to="ifrs-full_AdjustmentsForDecreaseIncreaseInOtherOperatingReceivables" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInPrepaidExpenses" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInPrepaidExpenses"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ChangesInNonCashWorkingCapitalItemsAbstract" xlink:to="ifrs-full_AdjustmentsForDecreaseIncreaseInPrepaidExpenses" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_AdjustmentsForRawMaterials" xlink:href="cve-20231231.xsd#cve_AdjustmentsForRawMaterials"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ChangesInNonCashWorkingCapitalItemsAbstract" xlink:to="cve_AdjustmentsForRawMaterials" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInDepositsFromCustomers" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInDepositsFromCustomers"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ChangesInNonCashWorkingCapitalItemsAbstract" xlink:to="ifrs-full_AdjustmentsForIncreaseDecreaseInDepositsFromCustomers" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ChangesInNonCashWorkingCapitalItemsAbstract" xlink:to="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ChangesInNonCashWorkingCapitalItemsAbstract" xlink:to="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable" order="5" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_AdjustmentforDueToRelatedParties" xlink:href="cve-20231231.xsd#cve_AdjustmentforDueToRelatedParties"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ChangesInNonCashWorkingCapitalItemsAbstract" xlink:to="cve_AdjustmentforDueToRelatedParties" order="6" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ChangesInNonCashWorkingCapitalItemsAbstract" xlink:to="ifrs-full_CashFlowsFromUsedInOperatingActivities" order="7" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_InvestingActivitiesAbstract" xlink:href="cve-20231231.xsd#cve_InvestingActivitiesAbstract"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfCashFlowsAbstract" xlink:to="cve_InvestingActivitiesAbstract" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_InvestingActivitiesAbstract" xlink:to="ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_InvestingActivitiesAbstract" xlink:to="ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_InvestingActivitiesAbstract" xlink:to="ifrs-full_PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_PurchaseOfInvestmentProperty" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_PurchaseOfInvestmentProperty"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_InvestingActivitiesAbstract" xlink:to="ifrs-full_PurchaseOfInvestmentProperty" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_InvestingActivitiesAbstract" xlink:to="ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_PurchaseofDeferredAcquisitionCosts" xlink:href="cve-20231231.xsd#cve_PurchaseofDeferredAcquisitionCosts"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_InvestingActivitiesAbstract" xlink:to="cve_PurchaseofDeferredAcquisitionCosts" order="5" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_InterestReceivedClassifiedAsInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_InterestReceivedClassifiedAsInvestingActivities"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_InvestingActivitiesAbstract" xlink:to="ifrs-full_InterestReceivedClassifiedAsInvestingActivities" order="6" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_PurchaseOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_PurchaseOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_InvestingActivitiesAbstract" xlink:to="ifrs-full_PurchaseOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod" order="7" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethod" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethod"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_InvestingActivitiesAbstract" xlink:to="ifrs-full_ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethod" order="8" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_InvestingActivitiesAbstract" xlink:to="ifrs-full_CashFlowsFromUsedInInvestingActivities" order="9" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_FinancingActivitiesAbstract" xlink:href="cve-20231231.xsd#cve_FinancingActivitiesAbstract"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfCashFlowsAbstract" xlink:to="cve_FinancingActivitiesAbstract" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_PrivatePlacementProceeds" xlink:href="cve-20231231.xsd#cve_PrivatePlacementProceeds"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_FinancingActivitiesAbstract" xlink:to="cve_PrivatePlacementProceeds" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_PaymentsForShareIssueCosts" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_PaymentsForShareIssueCosts"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_FinancingActivitiesAbstract" xlink:to="ifrs-full_PaymentsForShareIssueCosts" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ProceedsFromIssuingShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ProceedsFromIssuingShares"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_FinancingActivitiesAbstract" xlink:to="ifrs-full_ProceedsFromIssuingShares" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ProceedsFromIssuingOtherEquityInstruments" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ProceedsFromIssuingOtherEquityInstruments"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_FinancingActivitiesAbstract" xlink:to="ifrs-full_ProceedsFromIssuingOtherEquityInstruments" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ProceedsFromExerciseOfWarrants" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ProceedsFromExerciseOfWarrants"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_FinancingActivitiesAbstract" xlink:to="ifrs-full_ProceedsFromExerciseOfWarrants" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ProceedsFromExerciseOfOptions" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ProceedsFromExerciseOfOptions"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_FinancingActivitiesAbstract" xlink:to="ifrs-full_ProceedsFromExerciseOfOptions" order="5" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_RepaymentsOfBondsNotesAndDebentures" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RepaymentsOfBondsNotesAndDebentures"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_FinancingActivitiesAbstract" xlink:to="ifrs-full_RepaymentsOfBondsNotesAndDebentures" order="6" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_FinancingActivitiesAbstract" xlink:to="ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" order="7" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_FinancingActivitiesAbstract" xlink:to="ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" order="8" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_FinancingActivitiesAbstract" xlink:to="ifrs-full_CashFlowsFromUsedInFinancingActivities" order="9" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfCashFlowsAbstract" xlink:to="ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalents"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfCashFlowsAbstract" xlink:to="ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_CashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CashAndCashEquivalents"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfCashFlowsAbstract" xlink:to="ifrs-full_CashAndCashEquivalents" order="5" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ShareholdersEquityType2or3">
<loc xlink:type="locator" xlink:label="ifrs-full_StatementOfChangesInEquityLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_StatementOfChangesInEquityLineItems"/>
<loc xlink:type="locator" xlink:label="ifrs-full_StatementOfChangesInEquityTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_StatementOfChangesInEquityTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_StatementOfChangesInEquityTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ComponentsOfEquityAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ComponentsOfEquityAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="ifrs-full_StatementOfChangesInEquityTable" xlink:to="ifrs-full_ComponentsOfEquityAxis" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_EquityMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_EquityMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_ComponentsOfEquityAxis" xlink:to="ifrs-full_EquityMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_EquityMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_EquityMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_ComponentsOfEquityAxis" xlink:to="ifrs-full_EquityMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfShareCapitalMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ClassesOfShareCapitalMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_EquityMember" xlink:to="ifrs-full_ClassesOfShareCapitalMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_IssuedCapitalMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IssuedCapitalMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_EquityMember" xlink:to="ifrs-full_IssuedCapitalMember" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ConvertiblePromissoryNoteMember" xlink:href="cve-20231231.xsd#cve_ConvertiblePromissoryNoteMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_EquityMember" xlink:to="cve_ConvertiblePromissoryNoteMember" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ContributedSurplusMember" xlink:href="cve-20231231.xsd#cve_ContributedSurplusMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_EquityMember" xlink:to="cve_ContributedSurplusMember" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AccumulatedOtherComprehensiveIncomeMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AccumulatedOtherComprehensiveIncomeMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_EquityMember" xlink:to="ifrs-full_AccumulatedOtherComprehensiveIncomeMember" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_RetainedEarningsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RetainedEarningsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_EquityMember" xlink:to="ifrs-full_RetainedEarningsMember" order="5" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_Equity" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_Equity"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_Equity" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_NumberOfSharesOutstanding" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NumberOfSharesOutstanding"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_NumberOfSharesOutstanding" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_NumberofSharesPrivatePlacement" xlink:href="cve-20231231.xsd#cve_NumberofSharesPrivatePlacement"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="cve_NumberofSharesPrivatePlacement" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_IncreaseDecreaseThroughPublicOffering" xlink:href="cve-20231231.xsd#cve_IncreaseDecreaseThroughPublicOffering"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="cve_IncreaseDecreaseThroughPublicOffering" order="5" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_NumberofSharesPublicOffering" xlink:href="cve-20231231.xsd#cve_NumberofSharesPublicOffering"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="cve_NumberofSharesPublicOffering" order="6" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_IncreaseDecreaseThroughConversionOfConvertibleInstruments" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IncreaseDecreaseThroughConversionOfConvertibleInstruments"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_IncreaseDecreaseThroughConversionOfConvertibleInstruments" order="7" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_NumberofConversionOfSubscriptionstoShares" xlink:href="cve-20231231.xsd#cve_NumberofConversionOfSubscriptionstoShares"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="cve_NumberofConversionOfSubscriptionstoShares" order="8" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ShareIssueRelatedCost" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ShareIssueRelatedCost"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_ShareIssueRelatedCost" order="9" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity" order="10" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_NumberofSharesIssuedForExerciseofWarrants" xlink:href="cve-20231231.xsd#cve_NumberofSharesIssuedForExerciseofWarrants"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="cve_NumberofSharesIssuedForExerciseofWarrants" order="11" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_IncreaseDecreaseThroughExerciseOfOptions" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IncreaseDecreaseThroughExerciseOfOptions"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_IncreaseDecreaseThroughExerciseOfOptions" order="12" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_NumberofSharesIssuedForExerciseOfStockOptions" xlink:href="cve-20231231.xsd#cve_NumberofSharesIssuedForExerciseOfStockOptions"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="cve_NumberofSharesIssuedForExerciseOfStockOptions" order="13" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_IncreaseDecreaseThroughSharesIssuedForATM" xlink:href="cve-20231231.xsd#cve_IncreaseDecreaseThroughSharesIssuedForATM"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="cve_IncreaseDecreaseThroughSharesIssuedForATM" order="14" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_NumberofSharesIssuedForATMinShares" xlink:href="cve-20231231.xsd#cve_NumberofSharesIssuedForATMinShares"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="cve_NumberofSharesIssuedForATMinShares" order="15" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_IncreaseDecreaseThroughStockOptionExpense" xlink:href="cve-20231231.xsd#cve_IncreaseDecreaseThroughStockOptionExpense"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="cve_IncreaseDecreaseThroughStockOptionExpense" order="16" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_IssueOfConvertibleInstruments" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IssueOfConvertibleInstruments"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_IssueOfConvertibleInstruments" order="17" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_IncreaseDecreaseThroughFairValueOfReplacementOptionsForAltaMesaAcquisition" xlink:href="cve-20231231.xsd#cve_IncreaseDecreaseThroughFairValueOfReplacementOptionsForAltaMesaAcquisition"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="cve_IncreaseDecreaseThroughFairValueOfReplacementOptionsForAltaMesaAcquisition" order="18" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_IssueOfEquity" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IssueOfEquity"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_IssueOfEquity" order="19" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_SharesIssuedForServicesShares" xlink:href="cve-20231231.xsd#cve_SharesIssuedForServicesShares"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="cve_SharesIssuedForServicesShares" order="20" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_IncreaseDecreaseThroughShareSubscriptionsReceived" xlink:href="cve-20231231.xsd#cve_IncreaseDecreaseThroughShareSubscriptionsReceived"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="cve_IncreaseDecreaseThroughShareSubscriptionsReceived" order="21" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_IncreaseDecreaseThroughOtherContributionsByOwners" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IncreaseDecreaseThroughOtherContributionsByOwners"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_IncreaseDecreaseThroughOtherContributionsByOwners" order="22" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationNetOfTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationNetOfTax"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationNetOfTax" order="23" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ProfitLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ProfitLoss"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_ProfitLoss" order="24" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/NatureofOperationsandGoingConcern">
<loc xlink:type="locator" xlink:label="cve_NatureOfOperationAndGoingConcernAbstract" xlink:href="cve-20231231.xsd#cve_NatureOfOperationAndGoingConcernAbstract"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfGoingConcernExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfGoingConcernExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_NatureOfOperationAndGoingConcernAbstract" xlink:to="ifrs-full_DisclosureOfGoingConcernExplanatory" order="0" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/MaterialAccountingPolicyInformation">
<loc xlink:type="locator" xlink:label="ifrs-full_CorporateInformationAndStatementOfIFRSComplianceAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CorporateInformationAndStatementOfIFRSComplianceAbstract"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_CorporateInformationAndStatementOfIFRSComplianceAbstract" xlink:to="ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory" order="0" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/UraniumContracts">
<loc xlink:type="locator" xlink:label="ifrs-full_NotesAndOtherExplanatoryInformationAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NotesAndOtherExplanatoryInformationAbstract"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethodExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethodExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_NotesAndOtherExplanatoryInformationAbstract" xlink:to="ifrs-full_DisclosureOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethodExplanatory" order="0" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/MarketableSecurities">
<loc xlink:type="locator" xlink:label="cve_MarketableSecuritieAbstract" xlink:href="cve-20231231.xsd#cve_MarketableSecuritieAbstract"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfMarketRiskExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfMarketRiskExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MarketableSecuritieAbstract" xlink:to="ifrs-full_DisclosureOfMarketRiskExplanatory" order="0" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/IntangibleAssets">
<loc xlink:type="locator" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwillAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwillAbstract"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfIntangibleAssetsExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_IntangibleAssetsOtherThanGoodwillAbstract" xlink:to="ifrs-full_DisclosureOfIntangibleAssetsExplanatory" order="0" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/PropertyPlantandEquipment">
<loc xlink:type="locator" xlink:label="ifrs-full_PropertyPlantAndEquipmentAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_PropertyPlantAndEquipmentAbstract"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_PropertyPlantAndEquipmentAbstract" xlink:to="ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" order="0" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/RightofUseAssetsandLeaseLiability">
<loc xlink:type="locator" xlink:label="ifrs-full_PresentationOfLeasesForLesseeAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_PresentationOfLeasesForLesseeAbstract"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_PresentationOfLeasesForLesseeAbstract" xlink:to="ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory" order="0" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/AssetAcquisition">
<loc xlink:type="locator" xlink:label="cve_AssetsAcquisitionAbstract" xlink:href="cve-20231231.xsd#cve_AssetsAcquisitionAbstract"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfBusinessCombinationsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfBusinessCombinationsExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_AssetsAcquisitionAbstract" xlink:to="ifrs-full_DisclosureOfBusinessCombinationsExplanatory" order="0" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/MineralProperties">
<loc xlink:type="locator" xlink:label="cve_DisclosureOfMineralPropertiesAbstract" xlink:href="cve-20231231.xsd#cve_DisclosureOfMineralPropertiesAbstract"/>
<loc xlink:type="locator" xlink:label="cve_DisclosureOfMineralPropertiesTextBlock" xlink:href="cve-20231231.xsd#cve_DisclosureOfMineralPropertiesTextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_DisclosureOfMineralPropertiesAbstract" xlink:to="cve_DisclosureOfMineralPropertiesTextBlock" order="0" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/MiningProperties">
<loc xlink:type="locator" xlink:label="cve_DisclosureOfMiningPropertiesAbstract" xlink:href="cve-20231231.xsd#cve_DisclosureOfMiningPropertiesAbstract"/>
<loc xlink:type="locator" xlink:label="cve_DisclosureOfMiningPropertiesTextBlock" xlink:href="cve-20231231.xsd#cve_DisclosureOfMiningPropertiesTextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_DisclosureOfMiningPropertiesAbstract" xlink:to="cve_DisclosureOfMiningPropertiesTextBlock" order="0" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/AssetRetirementObligations">
<loc xlink:type="locator" xlink:label="cve_AssetRetirementObligationsAbstract" xlink:href="cve-20231231.xsd#cve_AssetRetirementObligationsAbstract"/>
<loc xlink:type="locator" xlink:label="cve_AssetRetirementObligationsTextBlock" xlink:href="cve-20231231.xsd#cve_AssetRetirementObligationsTextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_AssetRetirementObligationsAbstract" xlink:to="cve_AssetRetirementObligationsTextBlock" order="0" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ShareCapital">
<loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfClassesOfShareCapitalAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalAbstract"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_DisclosureOfClassesOfShareCapitalAbstract" xlink:to="ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" order="0" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/RelatedPartyTransactionsandBalances">
<loc xlink:type="locator" xlink:label="ifrs-full_OutstandingBalancesForRelatedPartyTransactionsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_OutstandingBalancesForRelatedPartyTransactionsAbstract"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfRelatedPartyExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_OutstandingBalancesForRelatedPartyTransactionsAbstract" xlink:to="ifrs-full_DisclosureOfRelatedPartyExplanatory" order="0" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ManagementofCapital">
<loc xlink:type="locator" xlink:label="cve_DisclosureOfManagementOfCapitalExplanatoryAbstract" xlink:href="cve-20231231.xsd#cve_DisclosureOfManagementOfCapitalExplanatoryAbstract"/>
<loc xlink:type="locator" xlink:label="cve_DisclosureOfManagementOfCapitalExplanatoryTextBlock" xlink:href="cve-20231231.xsd#cve_DisclosureOfManagementOfCapitalExplanatoryTextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_DisclosureOfManagementOfCapitalExplanatoryAbstract" xlink:to="cve_DisclosureOfManagementOfCapitalExplanatoryTextBlock" order="0" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/FinancialInstruments">
<loc xlink:type="locator" xlink:label="ifrs-full_NotesAndOtherExplanatoryInformationAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NotesAndOtherExplanatoryInformationAbstract"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfFinancialInstrumentsExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_NotesAndOtherExplanatoryInformationAbstract" xlink:to="ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" order="0" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/SegmentedInformation">
<loc xlink:type="locator" xlink:label="cve_SegmentedInformationAbstract" xlink:href="cve-20231231.xsd#cve_SegmentedInformationAbstract"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_SegmentedInformationAbstract" xlink:to="ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" order="0" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/Supplementalcashflows">
<loc xlink:type="locator" xlink:label="cve_SupplementalDisclosureWithRespectToCashflowsAbstract" xlink:href="cve-20231231.xsd#cve_SupplementalDisclosureWithRespectToCashflowsAbstract"/>
<loc xlink:type="locator" xlink:label="cve_SupplementalDisclosureWithRespectToCashflowsTextBlock" xlink:href="cve-20231231.xsd#cve_SupplementalDisclosureWithRespectToCashflowsTextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_SupplementalDisclosureWithRespectToCashflowsAbstract" xlink:to="cve_SupplementalDisclosureWithRespectToCashflowsTextBlock" order="0" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/CurrentandDeferredIncomeTax">
<loc xlink:type="locator" xlink:label="cve_CurrentAndDeferredIncomeTaxAbstract" xlink:href="cve-20231231.xsd#cve_CurrentAndDeferredIncomeTaxAbstract"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfIncomeTaxExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfIncomeTaxExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_CurrentAndDeferredIncomeTaxAbstract" xlink:to="ifrs-full_DisclosureOfIncomeTaxExplanatory" order="0" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/EventsAftertheReportingPeriod">
<loc xlink:type="locator" xlink:label="cve_EventsAfterTheReportingPeriodAbstract" xlink:href="cve-20231231.xsd#cve_EventsAfterTheReportingPeriodAbstract"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_EventsAfterTheReportingPeriodAbstract" xlink:to="ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" order="0" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/AccountingPoliciesByPolicy">
<loc xlink:type="locator" xlink:label="us-gaap_AccountingPoliciesAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountingPoliciesAbstract"/>
<loc xlink:type="locator" xlink:label="cve_DescriptionOfAccountingPolicyForBasisOfPresentationtextBlock" xlink:href="cve-20231231.xsd#cve_DescriptionOfAccountingPolicyForBasisOfPresentationtextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="cve_DescriptionOfAccountingPolicyForBasisOfPresentationtextBlock" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_DescriptionOfAccountingPolicyForComparativesTextBlock" xlink:href="cve-20231231.xsd#cve_DescriptionOfAccountingPolicyForComparativesTextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="cve_DescriptionOfAccountingPolicyForComparativesTextBlock" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_DescriptionOfAccountingPolicyForBasisOfMeasurementTextBlock" xlink:href="cve-20231231.xsd#cve_DescriptionOfAccountingPolicyForBasisOfMeasurementTextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="cve_DescriptionOfAccountingPolicyForBasisOfMeasurementTextBlock" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForFunctionalCurrencyExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DescriptionOfAccountingPolicyForFunctionalCurrencyExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForFunctionalCurrencyExplanatory" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_DescriptionOfAccountingPolicyForBasisOfConsolidationtextBlock" xlink:href="cve-20231231.xsd#cve_DescriptionOfAccountingPolicyForBasisOfConsolidationtextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="cve_DescriptionOfAccountingPolicyForBasisOfConsolidationtextBlock" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_DescriptionOfAccountingPolicyForCashtextBlock" xlink:href="cve-20231231.xsd#cve_DescriptionOfAccountingPolicyForCashtextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="cve_DescriptionOfAccountingPolicyForCashtextBlock" order="5" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForRestrictedCashAndCashEquivalentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DescriptionOfAccountingPolicyForRestrictedCashAndCashEquivalentsExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForRestrictedCashAndCashEquivalentsExplanatory" order="6" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_DescriptionOfAccountingPolicyForAssetRetirementObligationstextBlock" xlink:href="cve-20231231.xsd#cve_DescriptionOfAccountingPolicyForAssetRetirementObligationstextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="cve_DescriptionOfAccountingPolicyForAssetRetirementObligationstextBlock" order="7" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForAvailableforsaleFinancialAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DescriptionOfAccountingPolicyForAvailableforsaleFinancialAssetsExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForAvailableforsaleFinancialAssetsExplanatory" order="8" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_DescriptionOfAccountingPolicyForMineralPropertiestextBlock" xlink:href="cve-20231231.xsd#cve_DescriptionOfAccountingPolicyForMineralPropertiestextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="cve_DescriptionOfAccountingPolicyForMineralPropertiestextBlock" order="9" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_DescriptionOfAccountingPolicyForInvestmentsInUraniumtextBlock" xlink:href="cve-20231231.xsd#cve_DescriptionOfAccountingPolicyForInvestmentsInUraniumtextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="cve_DescriptionOfAccountingPolicyForInvestmentsInUraniumtextBlock" order="10" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForInvestmentInAssociates" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DescriptionOfAccountingPolicyForInvestmentInAssociates"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForInvestmentInAssociates" order="11" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory" order="12" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_DescriptionOfAccountingPolicyForUraniumPlantstextBlock" xlink:href="cve-20231231.xsd#cve_DescriptionOfAccountingPolicyForUraniumPlantstextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="cve_DescriptionOfAccountingPolicyForUraniumPlantstextBlock" order="13" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_DescriptionOfAccountingPolicyForOtherPropertyPlantAndEquipmenttextBlock" xlink:href="cve-20231231.xsd#cve_DescriptionOfAccountingPolicyForOtherPropertyPlantAndEquipmenttextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="cve_DescriptionOfAccountingPolicyForOtherPropertyPlantAndEquipmenttextBlock" order="14" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_DescriptionOfAccountingPolicyForBuildingtextBlock" xlink:href="cve-20231231.xsd#cve_DescriptionOfAccountingPolicyForBuildingtextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="cve_DescriptionOfAccountingPolicyForBuildingtextBlock" order="15" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_DescriptionOfAccountingPolicyForSoftwaretextBlock" xlink:href="cve-20231231.xsd#cve_DescriptionOfAccountingPolicyForSoftwaretextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="cve_DescriptionOfAccountingPolicyForSoftwaretextBlock" order="16" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory" order="17" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory" order="18" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" order="19" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" order="20" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_DescriptionOfAccountingPolicyForRecoveryOfDeferredTaxAssetsTextBlock" xlink:href="cve-20231231.xsd#cve_DescriptionOfAccountingPolicyForRecoveryOfDeferredTaxAssetsTextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="cve_DescriptionOfAccountingPolicyForRecoveryOfDeferredTaxAssetsTextBlock" order="21" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory" order="22" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" order="23" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForWarrantsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DescriptionOfAccountingPolicyForWarrantsExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForWarrantsExplanatory" order="24" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory" order="25" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfFinancialAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfFinancialAssetsExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfFinancialAssetsExplanatory" order="26" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForDerecognitionOfFinancialInstrumentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DescriptionOfAccountingPolicyForDerecognitionOfFinancialInstrumentsExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForDerecognitionOfFinancialInstrumentsExplanatory" order="27" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory" order="28" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_DescriptionOfAccountingPolicyForNewStandardsAndInterpretationsNotYetAdoptedtextBlock" xlink:href="cve-20231231.xsd#cve_DescriptionOfAccountingPolicyForNewStandardsAndInterpretationsNotYetAdoptedtextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="cve_DescriptionOfAccountingPolicyForNewStandardsAndInterpretationsNotYetAdoptedtextBlock" order="29" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory" order="30" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_DisclosureOfChangesInAccountingPoliciesCriticalAccountingEstimatesPolicyTextBlock" xlink:href="cve-20231231.xsd#cve_DisclosureOfChangesInAccountingPoliciesCriticalAccountingEstimatesPolicyTextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="cve_DisclosureOfChangesInAccountingPoliciesCriticalAccountingEstimatesPolicyTextBlock" order="31" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_DisclosureOfChangesInAccountingPoliciesCriticalAccountingJudgmentsPolicyTextBlock" xlink:href="cve-20231231.xsd#cve_DisclosureOfChangesInAccountingPoliciesCriticalAccountingJudgmentsPolicyTextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="cve_DisclosureOfChangesInAccountingPoliciesCriticalAccountingJudgmentsPolicyTextBlock" order="32" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/MaterialAccountingPolicyInformationTables">
<loc xlink:type="locator" xlink:label="ifrs-full_CorporateInformationAndStatementOfIFRSComplianceAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CorporateInformationAndStatementOfIFRSComplianceAbstract"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_CorporateInformationAndStatementOfIFRSComplianceAbstract" xlink:to="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_DisclosureOfUsefulLivesOfPropertyPlantAndEquipementTextBlock" xlink:href="cve-20231231.xsd#cve_DisclosureOfUsefulLivesOfPropertyPlantAndEquipementTextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_CorporateInformationAndStatementOfIFRSComplianceAbstract" xlink:to="cve_DisclosureOfUsefulLivesOfPropertyPlantAndEquipementTextBlock" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsWithIndefiniteUsefulLifeExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfIntangibleAssetsWithIndefiniteUsefulLifeExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_CorporateInformationAndStatementOfIFRSComplianceAbstract" xlink:to="ifrs-full_DisclosureOfIntangibleAssetsWithIndefiniteUsefulLifeExplanatory" order="2" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/UraniumContractsTables">
<loc xlink:type="locator" xlink:label="ifrs-full_NotesAndOtherExplanatoryInformationAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NotesAndOtherExplanatoryInformationAbstract"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_NotesAndOtherExplanatoryInformationAbstract" xlink:to="ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_MaturityAnalysisForDerivativeFinancialLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_MaturityAnalysisForDerivativeFinancialLiabilities"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_NotesAndOtherExplanatoryInformationAbstract" xlink:to="ifrs-full_MaturityAnalysisForDerivativeFinancialLiabilities" order="1" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/MarketableSecuritiesTables">
<loc xlink:type="locator" xlink:label="cve_MarketableSecuritieAbstract" xlink:href="cve-20231231.xsd#cve_MarketableSecuritieAbstract"/>
<loc xlink:type="locator" xlink:label="cve_DisclosureOfMarketableSecuritiesTextBlock" xlink:href="cve-20231231.xsd#cve_DisclosureOfMarketableSecuritiesTextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MarketableSecuritieAbstract" xlink:to="cve_DisclosureOfMarketableSecuritiesTextBlock" order="0" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/IntangibleAssetsTables">
<loc xlink:type="locator" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwillAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwillAbstract"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_IntangibleAssetsOtherThanGoodwillAbstract" xlink:to="ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory" order="0" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/PropertyPlantandEquipmentTables">
<loc xlink:type="locator" xlink:label="ifrs-full_PropertyPlantAndEquipmentAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_PropertyPlantAndEquipmentAbstract"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_PropertyPlantAndEquipmentAbstract" xlink:to="ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" order="0" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/RightofUseAssetsandLeaseLiabilityTables">
<loc xlink:type="locator" xlink:label="ifrs-full_PresentationOfLeasesForLesseeAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_PresentationOfLeasesForLesseeAbstract"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfFinancialLiabilitiesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfFinancialLiabilitiesExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_PresentationOfLeasesForLesseeAbstract" xlink:to="ifrs-full_DisclosureOfFinancialLiabilitiesExplanatory" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_PresentationOfLeasesForLesseeAbstract" xlink:to="ifrs-full_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsExplanatory" order="1" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/AssetAcquisitionTables">
<loc xlink:type="locator" xlink:label="cve_AssetsAcquisitionAbstract" xlink:href="cve-20231231.xsd#cve_AssetsAcquisitionAbstract"/>
<loc xlink:type="locator" xlink:label="cve_DisclosureOfAssetAcquisitionTableTextBlock" xlink:href="cve-20231231.xsd#cve_DisclosureOfAssetAcquisitionTableTextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_AssetsAcquisitionAbstract" xlink:to="cve_DisclosureOfAssetAcquisitionTableTextBlock" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_AssetsAcquisitionAbstract" xlink:to="ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory" order="1" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/MineralPropertiesTables">
<loc xlink:type="locator" xlink:label="cve_DisclosureOfMineralPropertiesAbstract" xlink:href="cve-20231231.xsd#cve_DisclosureOfMineralPropertiesAbstract"/>
<loc xlink:type="locator" xlink:label="cve_ScheduleOfMineralPropertiesTableTextBlock" xlink:href="cve-20231231.xsd#cve_ScheduleOfMineralPropertiesTableTextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_DisclosureOfMineralPropertiesAbstract" xlink:to="cve_ScheduleOfMineralPropertiesTableTextBlock" order="0" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/MiningPropertiesTables">
<loc xlink:type="locator" xlink:label="cve_DisclosureOfMiningPropertiesAbstract" xlink:href="cve-20231231.xsd#cve_DisclosureOfMiningPropertiesAbstract"/>
<loc xlink:type="locator" xlink:label="cve_ScheduleOfMiningPropertysTableTextBlock" xlink:href="cve-20231231.xsd#cve_ScheduleOfMiningPropertysTableTextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_DisclosureOfMiningPropertiesAbstract" xlink:to="cve_ScheduleOfMiningPropertysTableTextBlock" order="0" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/AssetRetirementObligationsTables">
<loc xlink:type="locator" xlink:label="cve_AssetRetirementObligationsAbstract" xlink:href="cve-20231231.xsd#cve_AssetRetirementObligationsAbstract"/>
<loc xlink:type="locator" xlink:label="cve_DisclosureOfAssetRetirementObligationsBalanceTableTextBlock" xlink:href="cve-20231231.xsd#cve_DisclosureOfAssetRetirementObligationsBalanceTableTextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_AssetRetirementObligationsAbstract" xlink:to="cve_DisclosureOfAssetRetirementObligationsBalanceTableTextBlock" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_DisclosureOfAssetRetirementObligationsContinuityTableTextBlock" xlink:href="cve-20231231.xsd#cve_DisclosureOfAssetRetirementObligationsContinuityTableTextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_AssetRetirementObligationsAbstract" xlink:to="cve_DisclosureOfAssetRetirementObligationsContinuityTableTextBlock" order="1" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ShareCapitalTables">
<loc xlink:type="locator" xlink:label="cve_ShareCapitalTablesLineItems" xlink:href="cve-20231231.xsd#cve_ShareCapitalTablesLineItems"/>
<loc xlink:type="locator" xlink:label="cve_ShareCapitalTablesTable" xlink:href="cve-20231231.xsd#cve_ShareCapitalTablesTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="cve_ShareCapitalTablesLineItems" xlink:to="cve_ShareCapitalTablesTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalTablesLineItems" xlink:to="ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ScheduleOfTheCompanysStockOptionsOutstandingTableTextBlock" xlink:href="cve-20231231.xsd#cve_ScheduleOfTheCompanysStockOptionsOutstandingTableTextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalTablesLineItems" xlink:to="cve_ScheduleOfTheCompanysStockOptionsOutstandingTableTextBlock" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ScheduleOfStockOptionsOutstandingTableTextBlock" xlink:href="cve-20231231.xsd#cve_ScheduleOfStockOptionsOutstandingTableTextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalTablesLineItems" xlink:to="cve_ScheduleOfStockOptionsOutstandingTableTextBlock" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ScheduleOfWeightedAverageAssumptionsUsedInCalculatingTheFairValuesTableTextBlock" xlink:href="cve-20231231.xsd#cve_ScheduleOfWeightedAverageAssumptionsUsedInCalculatingTheFairValuesTableTextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalTablesLineItems" xlink:to="cve_ScheduleOfWeightedAverageAssumptionsUsedInCalculatingTheFairValuesTableTextBlock" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ScheduleOfTheStatusOfTheCompanysWarrantsTableTextBlock" xlink:href="cve-20231231.xsd#cve_ScheduleOfTheStatusOfTheCompanysWarrantsTableTextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalTablesLineItems" xlink:to="cve_ScheduleOfTheStatusOfTheCompanysWarrantsTableTextBlock" order="5" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ScheduleOfSharePurchaseWarrantsOutstandingTableTextBlock" xlink:href="cve-20231231.xsd#cve_ScheduleOfSharePurchaseWarrantsOutstandingTableTextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalTablesLineItems" xlink:to="cve_ScheduleOfSharePurchaseWarrantsOutstandingTableTextBlock" order="6" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_DisclosureOfReconciliationOfTheConvertibleDebentureComponentsExplanatory" xlink:href="cve-20231231.xsd#cve_DisclosureOfReconciliationOfTheConvertibleDebentureComponentsExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalTablesLineItems" xlink:to="cve_DisclosureOfReconciliationOfTheConvertibleDebentureComponentsExplanatory" order="7" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/RelatedPartyTransactionsandBalancesTables">
<loc xlink:type="locator" xlink:label="ifrs-full_OutstandingBalancesForRelatedPartyTransactionsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_OutstandingBalancesForRelatedPartyTransactionsAbstract"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_OutstandingBalancesForRelatedPartyTransactionsAbstract" xlink:to="ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_OutstandingBalancesForRelatedPartyTransactionsAbstract" xlink:to="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" order="1" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/FinancialInstrumentsTables">
<loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfFinancialInstrumentsAbstract"/>
<loc xlink:type="locator" xlink:label="cve_ScheduleOfFinancialInstrumentTableTextBlock" xlink:href="cve-20231231.xsd#cve_ScheduleOfFinancialInstrumentTableTextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsAbstract" xlink:to="cve_ScheduleOfFinancialInstrumentTableTextBlock" order="0" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/SegmentedInformationTables">
<loc xlink:type="locator" xlink:label="cve_SegmentedInformationAbstract" xlink:href="cve-20231231.xsd#cve_SegmentedInformationAbstract"/>
<loc xlink:type="locator" xlink:label="cve_DisclosureOfLongtermAssetsByGeographicSegmentTableTextBlock" xlink:href="cve-20231231.xsd#cve_DisclosureOfLongtermAssetsByGeographicSegmentTableTextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_SegmentedInformationAbstract" xlink:to="cve_DisclosureOfLongtermAssetsByGeographicSegmentTableTextBlock" order="0" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/SupplementalcashflowsTables">
<loc xlink:type="locator" xlink:label="cve_SupplementalDisclosureWithRespectToCashflowsAbstract" xlink:href="cve-20231231.xsd#cve_SupplementalDisclosureWithRespectToCashflowsAbstract"/>
<loc xlink:type="locator" xlink:label="cve_ScheduleOfIncurredNoncashFinancingAndInvestingActivitiesTableTextBlock" xlink:href="cve-20231231.xsd#cve_ScheduleOfIncurredNoncashFinancingAndInvestingActivitiesTableTextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_SupplementalDisclosureWithRespectToCashflowsAbstract" xlink:to="cve_ScheduleOfIncurredNoncashFinancingAndInvestingActivitiesTableTextBlock" order="0" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/CurrentandDeferredIncomeTaxTables">
<loc xlink:type="locator" xlink:label="cve_CurrentAndDeferredIncomeTaxAbstract" xlink:href="cve-20231231.xsd#cve_CurrentAndDeferredIncomeTaxAbstract"/>
<loc xlink:type="locator" xlink:label="cve_DisclosureOfIncomeTaxExpenseRecoveryExplanatoryTableTextBlock" xlink:href="cve-20231231.xsd#cve_DisclosureOfIncomeTaxExpenseRecoveryExplanatoryTableTextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_CurrentAndDeferredIncomeTaxAbstract" xlink:to="cve_DisclosureOfIncomeTaxExpenseRecoveryExplanatoryTableTextBlock" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_CurrentAndDeferredIncomeTaxAbstract" xlink:to="ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfDeferredTaxesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfDeferredTaxesExplanatory"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_CurrentAndDeferredIncomeTaxAbstract" xlink:to="ifrs-full_DisclosureOfDeferredTaxesExplanatory" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_DisclosureOfUnrecognizedDeferredTaxAssetsExplanatoryTableTextBlock" xlink:href="cve-20231231.xsd#cve_DisclosureOfUnrecognizedDeferredTaxAssetsExplanatoryTableTextBlock"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_CurrentAndDeferredIncomeTaxAbstract" xlink:to="cve_DisclosureOfUnrecognizedDeferredTaxAssetsExplanatoryTableTextBlock" order="3" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ScheduleofSignificantSubsidiariesTable">
<loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems"/>
<loc xlink:type="locator" xlink:label="cve_MaterialAccountingPolicyInformationDetailsScheduleofSignificantSubsidiariesTable" xlink:href="cve-20231231.xsd#cve_MaterialAccountingPolicyInformationDetailsScheduleofSignificantSubsidiariesTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="cve_MaterialAccountingPolicyInformationDetailsScheduleofSignificantSubsidiariesTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_MaterialAccountingPolicyInformationDetailsScheduleofSignificantSubsidiariesTable" xlink:to="ifrs-full_GeographicalAreasAxis" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_GeographicalAreasAxis" xlink:to="ifrs-full_GeographicalAreasMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_GeographicalAreasAxis" xlink:to="ifrs-full_GeographicalAreasMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_TigrisUraniumUSCorpMember" xlink:href="cve-20231231.xsd#cve_TigrisUraniumUSCorpMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_TigrisUraniumUSCorpMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_MetaminEnterprisesUSIncMember" xlink:href="cve-20231231.xsd#cve_MetaminEnterprisesUSIncMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_MetaminEnterprisesUSIncMember" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_URIIncMember" xlink:href="cve-20231231.xsd#cve_URIIncMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_URIIncMember" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_NeutronEnergyIncMember" xlink:href="cve-20231231.xsd#cve_NeutronEnergyIncMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_NeutronEnergyIncMember" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_UrancoIncMember" xlink:href="cve-20231231.xsd#cve_UrancoIncMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_UrancoIncMember" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_UraniumResourcesIncMember" xlink:href="cve-20231231.xsd#cve_UraniumResourcesIncMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_UraniumResourcesIncMember" order="5" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_HRIChurchrockIncMember" xlink:href="cve-20231231.xsd#cve_HRIChurchrockIncMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_HRIChurchrockIncMember" order="6" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_HydroRestorationCorpMember" xlink:href="cve-20231231.xsd#cve_HydroRestorationCorpMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_HydroRestorationCorpMember" order="7" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_BeltLineResourcesIncMember" xlink:href="cve-20231231.xsd#cve_BeltLineResourcesIncMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_BeltLineResourcesIncMember" order="8" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_enCoreEnergyUSCorpMember" xlink:href="cve-20231231.xsd#cve_enCoreEnergyUSCorpMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_enCoreEnergyUSCorpMember" order="9" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_AzargaUraniumCorpMember" xlink:href="cve-20231231.xsd#cve_AzargaUraniumCorpMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_AzargaUraniumCorpMember" order="10" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_PowertechUSAIncMember" xlink:href="cve-20231231.xsd#cve_PowertechUSAIncMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_PowertechUSAIncMember" order="11" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_URZEnergyCorpMember" xlink:href="cve-20231231.xsd#cve_URZEnergyCorpMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_URZEnergyCorpMember" order="12" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_UcoloExplorationCorpMember" xlink:href="cve-20231231.xsd#cve_UcoloExplorationCorpMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_UcoloExplorationCorpMember" order="13" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_enCoreAltaMesaLLCMember" xlink:href="cve-20231231.xsd#cve_enCoreAltaMesaLLCMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_enCoreAltaMesaLLCMember" order="14" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_LeoncitoPlantLLCMember" xlink:href="cve-20231231.xsd#cve_LeoncitoPlantLLCMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_LeoncitoPlantLLCMember" order="15" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_LeoncitoRestorationLLCMember" xlink:href="cve-20231231.xsd#cve_LeoncitoRestorationLLCMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_LeoncitoRestorationLLCMember" order="16" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_LeoncitoProjectLLCMember" xlink:href="cve-20231231.xsd#cve_LeoncitoProjectLLCMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_LeoncitoProjectLLCMember" order="17" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_AzargaResourcesLimitedMember" xlink:href="cve-20231231.xsd#cve_AzargaResourcesLimitedMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_AzargaResourcesLimitedMember" order="18" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_AzargaResourcesHongKongLtdMember" xlink:href="cve-20231231.xsd#cve_AzargaResourcesHongKongLtdMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_AzargaResourcesHongKongLtdMember" order="19" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_AzargaResourcesUSACompanyMember" xlink:href="cve-20231231.xsd#cve_AzargaResourcesUSACompanyMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_AzargaResourcesUSACompanyMember" order="20" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_AzargaResourcesCanadaLtdMember" xlink:href="cve-20231231.xsd#cve_AzargaResourcesCanadaLtdMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_AzargaResourcesCanadaLtdMember" order="21" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_NameofSubsidaryPlaceOfIncorporation" xlink:href="cve-20231231.xsd#cve_NameofSubsidaryPlaceOfIncorporation"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="cve_NameofSubsidaryPlaceOfIncorporation" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ProportionOfOwnershipInterestInSubsidiary"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="ifrs-full_ProportionOfOwnershipInterestInSubsidiary" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_NameofSubsidaryPrincipalActivity" xlink:href="cve-20231231.xsd#cve_NameofSubsidaryPrincipalActivity"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="cve_NameofSubsidaryPrincipalActivity" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_NameofSubsidaryFunctionalCurrency" xlink:href="cve-20231231.xsd#cve_NameofSubsidaryFunctionalCurrency"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="cve_NameofSubsidaryFunctionalCurrency" order="4" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ScheduleofUsefulLivesofPropertyPlantandEquipementTable">
<loc xlink:type="locator" xlink:label="cve_MaterialAccountingPolicyInformationDetailsScheduleofUsefulLivesofPropertyPlantandEquipementLineItems" xlink:href="cve-20231231.xsd#cve_MaterialAccountingPolicyInformationDetailsScheduleofUsefulLivesofPropertyPlantandEquipementLineItems"/>
<loc xlink:type="locator" xlink:label="cve_MaterialAccountingPolicyInformationDetailsScheduleofUsefulLivesofPropertyPlantandEquipementTable" xlink:href="cve-20231231.xsd#cve_MaterialAccountingPolicyInformationDetailsScheduleofUsefulLivesofPropertyPlantandEquipementTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="cve_MaterialAccountingPolicyInformationDetailsScheduleofUsefulLivesofPropertyPlantandEquipementLineItems" xlink:to="cve_MaterialAccountingPolicyInformationDetailsScheduleofUsefulLivesofPropertyPlantandEquipementTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_MaterialAccountingPolicyInformationDetailsScheduleofUsefulLivesofPropertyPlantandEquipementTable" xlink:to="ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeAxis" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeAxis" xlink:to="ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeAxis" xlink:to="ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_RangeAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RangeAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_MaterialAccountingPolicyInformationDetailsScheduleofUsefulLivesofPropertyPlantandEquipementTable" xlink:to="ifrs-full_RangeAxis" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_RangesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RangesMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_RangeAxis" xlink:to="ifrs-full_RangesMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_RangesMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RangesMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_RangeAxis" xlink:to="ifrs-full_RangesMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_BottomOfRangeMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_BottomOfRangeMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_RangesMember" xlink:to="ifrs-full_BottomOfRangeMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_TopOfRangeMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_TopOfRangeMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_RangesMember" xlink:to="ifrs-full_TopOfRangeMember" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_UraniumPlantsMember" xlink:href="cve-20231231.xsd#cve_UraniumPlantsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeMember" xlink:to="cve_UraniumPlantsMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_OtherPropertyPlantAndEquipmentMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_OtherPropertyPlantAndEquipmentMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeMember" xlink:to="ifrs-full_OtherPropertyPlantAndEquipmentMember" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_SoftwareMember" xlink:href="cve-20231231.xsd#cve_SoftwareMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeMember" xlink:to="cve_SoftwareMember" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_FurnitureMember" xlink:href="cve-20231231.xsd#cve_FurnitureMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeMember" xlink:to="cve_FurnitureMember" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_BuildingsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_BuildingsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeMember" xlink:to="ifrs-full_BuildingsMember" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_PropertyPlantAndEquipmentRange" xlink:href="cve-20231231.xsd#cve_PropertyPlantAndEquipmentRange"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MaterialAccountingPolicyInformationDetailsScheduleofUsefulLivesofPropertyPlantandEquipementLineItems" xlink:to="cve_PropertyPlantAndEquipmentRange" order="1" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ScheduleofUsefulLivesofIntangibleAssetsTable">
<loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsWithIndefiniteUsefulLifeLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfIntangibleAssetsWithIndefiniteUsefulLifeLineItems"/>
<loc xlink:type="locator" xlink:label="cve_MaterialAccountingPolicyInformationDetailsScheduleofUsefulLivesofIntangibleAssetsTable" xlink:href="cve-20231231.xsd#cve_MaterialAccountingPolicyInformationDetailsScheduleofUsefulLivesofIntangibleAssetsTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="ifrs-full_DisclosureOfIntangibleAssetsWithIndefiniteUsefulLifeLineItems" xlink:to="cve_MaterialAccountingPolicyInformationDetailsScheduleofUsefulLivesofIntangibleAssetsTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_MaterialAccountingPolicyInformationDetailsScheduleofUsefulLivesofIntangibleAssetsTable" xlink:to="ifrs-full_GeographicalAreasAxis" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_GeographicalAreasAxis" xlink:to="ifrs-full_GeographicalAreasMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_GeographicalAreasAxis" xlink:to="ifrs-full_GeographicalAreasMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_DataAccessAgreementMember" xlink:href="cve-20231231.xsd#cve_DataAccessAgreementMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_DataAccessAgreementMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_DataPurchasesMember" xlink:href="cve-20231231.xsd#cve_DataPurchasesMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_DataPurchasesMember" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_CategoryRange" xlink:href="cve-20231231.xsd#cve_CategoryRange"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_DisclosureOfIntangibleAssetsWithIndefiniteUsefulLifeLineItems" xlink:to="cve_CategoryRange" order="1" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ScheduleoftheFairValueofthePhysicalUraniumInvestmentTable">
<loc xlink:type="locator" xlink:label="cve_ScheduleOfTheFairValueOfThePhysicalUraniumInvestmentAbstract" xlink:href="cve-20231231.xsd#cve_ScheduleOfTheFairValueOfThePhysicalUraniumInvestmentAbstract"/>
<loc xlink:type="locator" xlink:label="ifrs-full_CurrentInvestments" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CurrentInvestments"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfTheFairValueOfThePhysicalUraniumInvestmentAbstract" xlink:to="ifrs-full_CurrentInvestments" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_InvestmentInQuantity" xlink:href="cve-20231231.xsd#cve_InvestmentInQuantity"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfTheFairValueOfThePhysicalUraniumInvestmentAbstract" xlink:to="cve_InvestmentInQuantity" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_SaleOfUraniumInvestment" xlink:href="cve-20231231.xsd#cve_SaleOfUraniumInvestment"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfTheFairValueOfThePhysicalUraniumInvestmentAbstract" xlink:to="cve_SaleOfUraniumInvestment" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_QuantitySaleOfUraniumInvestment" xlink:href="cve-20231231.xsd#cve_QuantitySaleOfUraniumInvestment"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfTheFairValueOfThePhysicalUraniumInvestmentAbstract" xlink:to="cve_QuantitySaleOfUraniumInvestment" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_GainOnSaleOfUranium" xlink:href="cve-20231231.xsd#cve_GainOnSaleOfUranium"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfTheFairValueOfThePhysicalUraniumInvestmentAbstract" xlink:to="cve_GainOnSaleOfUranium" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_InvestmentInUranium" xlink:href="cve-20231231.xsd#cve_InvestmentInUranium"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfTheFairValueOfThePhysicalUraniumInvestmentAbstract" xlink:to="cve_InvestmentInUranium" order="5" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_QuantityInvestmentInUranium" xlink:href="cve-20231231.xsd#cve_QuantityInvestmentInUranium"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfTheFairValueOfThePhysicalUraniumInvestmentAbstract" xlink:to="cve_QuantityInvestmentInUranium" order="6" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ScheduleofUraniumSalesContractsTable">
<loc xlink:type="locator" xlink:label="cve_UraniumContractsDetailsScheduleofUraniumSalesContractsLineItems" xlink:href="cve-20231231.xsd#cve_UraniumContractsDetailsScheduleofUraniumSalesContractsLineItems"/>
<loc xlink:type="locator" xlink:label="cve_UraniumContractsDetailsScheduleofUraniumSalesContractsTable" xlink:href="cve-20231231.xsd#cve_UraniumContractsDetailsScheduleofUraniumSalesContractsTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="cve_UraniumContractsDetailsScheduleofUraniumSalesContractsLineItems" xlink:to="cve_UraniumContractsDetailsScheduleofUraniumSalesContractsTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_UnconsolidatedStructuredEntitiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_UnconsolidatedStructuredEntitiesAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_UraniumContractsDetailsScheduleofUraniumSalesContractsTable" xlink:to="ifrs-full_UnconsolidatedStructuredEntitiesAxis" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_EntitysTotalForUnconsolidatedStructuredEntitiesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_EntitysTotalForUnconsolidatedStructuredEntitiesMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_UnconsolidatedStructuredEntitiesAxis" xlink:to="ifrs-full_EntitysTotalForUnconsolidatedStructuredEntitiesMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_EntitysTotalForUnconsolidatedStructuredEntitiesMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_EntitysTotalForUnconsolidatedStructuredEntitiesMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_UnconsolidatedStructuredEntitiesAxis" xlink:to="ifrs-full_EntitysTotalForUnconsolidatedStructuredEntitiesMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_Fiscal2024Member" xlink:href="cve-20231231.xsd#cve_Fiscal2024Member"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_EntitysTotalForUnconsolidatedStructuredEntitiesMember" xlink:to="cve_Fiscal2024Member" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_Fiscal2025Member" xlink:href="cve-20231231.xsd#cve_Fiscal2025Member"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_EntitysTotalForUnconsolidatedStructuredEntitiesMember" xlink:to="cve_Fiscal2025Member" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_Fiscal2026Member" xlink:href="cve-20231231.xsd#cve_Fiscal2026Member"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_EntitysTotalForUnconsolidatedStructuredEntitiesMember" xlink:to="cve_Fiscal2026Member" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_Fiscal2027Member" xlink:href="cve-20231231.xsd#cve_Fiscal2027Member"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_EntitysTotalForUnconsolidatedStructuredEntitiesMember" xlink:to="cve_Fiscal2027Member" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_SalesCommitments" xlink:href="cve-20231231.xsd#cve_SalesCommitments"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_UraniumContractsDetailsScheduleofUraniumSalesContractsLineItems" xlink:to="cve_SalesCommitments" order="1" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ScheduleofMarketableSecuritiesTable">
<loc xlink:type="locator" xlink:label="cve_MarketableSecuritiesDetailsScheduleofMarketableSecuritiesLineItems" xlink:href="cve-20231231.xsd#cve_MarketableSecuritiesDetailsScheduleofMarketableSecuritiesLineItems"/>
<loc xlink:type="locator" xlink:label="cve_MarketableSecuritiesDetailsScheduleofMarketableSecuritiesTable" xlink:href="cve-20231231.xsd#cve_MarketableSecuritiesDetailsScheduleofMarketableSecuritiesTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="cve_MarketableSecuritiesDetailsScheduleofMarketableSecuritiesLineItems" xlink:to="cve_MarketableSecuritiesDetailsScheduleofMarketableSecuritiesTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfAssetsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ClassesOfAssetsAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_MarketableSecuritiesDetailsScheduleofMarketableSecuritiesTable" xlink:to="ifrs-full_ClassesOfAssetsAxis" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfAssetsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ClassesOfAssetsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_ClassesOfAssetsAxis" xlink:to="ifrs-full_ClassesOfAssetsMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfAssetsMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ClassesOfAssetsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_ClassesOfAssetsAxis" xlink:to="ifrs-full_ClassesOfAssetsMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_MarketableSecuritiescurrentMember" xlink:href="cve-20231231.xsd#cve_MarketableSecuritiescurrentMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ClassesOfAssetsMember" xlink:to="cve_MarketableSecuritiescurrentMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_MarketableSecuritiesnoncurrentMember" xlink:href="cve-20231231.xsd#cve_MarketableSecuritiesnoncurrentMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ClassesOfAssetsMember" xlink:to="cve_MarketableSecuritiesnoncurrentMember" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_MarketablesSecurities" xlink:href="cve-20231231.xsd#cve_MarketablesSecurities"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MarketableSecuritiesDetailsScheduleofMarketableSecuritiesLineItems" xlink:to="cve_MarketablesSecurities" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AdditionalProvisionsOtherProvisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AdditionalProvisionsOtherProvisions"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MarketableSecuritiesDetailsScheduleofMarketableSecuritiesLineItems" xlink:to="ifrs-full_AdditionalProvisionsOtherProvisions" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ReclassFromNoncurrentToCurrent" xlink:href="cve-20231231.xsd#cve_ReclassFromNoncurrentToCurrent"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MarketableSecuritiesDetailsScheduleofMarketableSecuritiesLineItems" xlink:to="cve_ReclassFromNoncurrentToCurrent" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForGainsLossesOnFairValueAdjustmentInvestmentProperty" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AdjustmentsForGainsLossesOnFairValueAdjustmentInvestmentProperty"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MarketableSecuritiesDetailsScheduleofMarketableSecuritiesLineItems" xlink:to="ifrs-full_AdjustmentsForGainsLossesOnFairValueAdjustmentInvestmentProperty" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationBeforeTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationBeforeTax"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MarketableSecuritiesDetailsScheduleofMarketableSecuritiesLineItems" xlink:to="ifrs-full_ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationBeforeTax" order="5" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ScheduleofChangeintheIntangibleAssetsTable">
<loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfIntangibleAssetsLineItems"/>
<loc xlink:type="locator" xlink:label="cve_IntangibleAssetsDetailsScheduleofChangeintheIntangibleAssetsTable" xlink:href="cve-20231231.xsd#cve_IntangibleAssetsDetailsScheduleofChangeintheIntangibleAssetsTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:to="cve_IntangibleAssetsDetailsScheduleofChangeintheIntangibleAssetsTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_IntangibleAssetsDetailsScheduleofChangeintheIntangibleAssetsTable" xlink:to="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwillMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:to="ifrs-full_IntangibleAssetsOtherThanGoodwillMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwillMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwillMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:to="ifrs-full_IntangibleAssetsOtherThanGoodwillMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_VANEAgreementMember" xlink:href="cve-20231231.xsd#cve_VANEAgreementMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:to="cve_VANEAgreementMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_GettyDatabaseMember" xlink:href="cve-20231231.xsd#cve_GettyDatabaseMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:to="cve_GettyDatabaseMember" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_SignalEquitiesDatabaseMember" xlink:href="cve-20231231.xsd#cve_SignalEquitiesDatabaseMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:to="cve_SignalEquitiesDatabaseMember" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_GrantsMineralBeltDatabaseMember" xlink:href="cve-20231231.xsd#cve_GrantsMineralBeltDatabaseMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:to="cve_GrantsMineralBeltDatabaseMember" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_IntangibleAssetsAndGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IntangibleAssetsAndGoodwill"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:to="ifrs-full_IntangibleAssetsAndGoodwill" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:to="ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:to="ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:to="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill" order="4" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ScheduleofFissionNeutronPFNTechnologyandEquipmentTable">
<loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems"/>
<loc xlink:type="locator" xlink:label="cve_PropertyPlantandEquipmentDetailsScheduleofFissionNeutronPFNTechnologyandEquipmentTable" xlink:href="cve-20231231.xsd#cve_PropertyPlantandEquipmentDetailsScheduleofFissionNeutronPFNTechnologyandEquipmentTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="cve_PropertyPlantandEquipmentDetailsScheduleofFissionNeutronPFNTechnologyandEquipmentTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_PropertyPlantandEquipmentDetailsScheduleofFissionNeutronPFNTechnologyandEquipmentTable" xlink:to="ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_PropertyPlantAndEquipmentMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_PropertyPlantAndEquipmentMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:to="ifrs-full_PropertyPlantAndEquipmentMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_PropertyPlantAndEquipmentMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_PropertyPlantAndEquipmentMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:to="ifrs-full_PropertyPlantAndEquipmentMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_UraniumPlantsMember" xlink:href="cve-20231231.xsd#cve_UraniumPlantsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_PropertyPlantAndEquipmentMember" xlink:to="cve_UraniumPlantsMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_OtherPropertyPlantAndEquipmentMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_OtherPropertyPlantAndEquipmentMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_PropertyPlantAndEquipmentMember" xlink:to="ifrs-full_OtherPropertyPlantAndEquipmentMember" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_FurnitureMember" xlink:href="cve-20231231.xsd#cve_FurnitureMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_PropertyPlantAndEquipmentMember" xlink:to="cve_FurnitureMember" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_BuildingsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_BuildingsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_PropertyPlantAndEquipmentMember" xlink:to="ifrs-full_BuildingsMember" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_SoftwareMember" xlink:href="cve-20231231.xsd#cve_SoftwareMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_PropertyPlantAndEquipmentMember" xlink:to="cve_SoftwareMember" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_PropertyPlantAndEquipmentCarryingAmountAtCostOfRevaluedAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_PropertyPlantAndEquipmentCarryingAmountAtCostOfRevaluedAssets"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="ifrs-full_PropertyPlantAndEquipmentCarryingAmountAtCostOfRevaluedAssets" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DisposalsPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisposalsPropertyPlantAndEquipment"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="ifrs-full_DisposalsPropertyPlantAndEquipment" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DepreciationPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DepreciationPropertyPlantAndEquipment"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_DisposalsPropertyPlantAndEquipment" xlink:to="ifrs-full_DepreciationPropertyPlantAndEquipment" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation" order="4" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ScheduleofChangeintheLeaseLiabilityTable">
<loc xlink:type="locator" xlink:label="cve_RightofUseAssetsandLeaseLiabilityDetailsScheduleofChangeintheLeaseLiabilityLineItems" xlink:href="cve-20231231.xsd#cve_RightofUseAssetsandLeaseLiabilityDetailsScheduleofChangeintheLeaseLiabilityLineItems"/>
<loc xlink:type="locator" xlink:label="cve_RightofUseAssetsandLeaseLiabilityDetailsScheduleofChangeintheLeaseLiabilityTable" xlink:href="cve-20231231.xsd#cve_RightofUseAssetsandLeaseLiabilityDetailsScheduleofChangeintheLeaseLiabilityTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="cve_RightofUseAssetsandLeaseLiabilityDetailsScheduleofChangeintheLeaseLiabilityLineItems" xlink:to="cve_RightofUseAssetsandLeaseLiabilityDetailsScheduleofChangeintheLeaseLiabilityTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfAssetsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ClassesOfAssetsAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_RightofUseAssetsandLeaseLiabilityDetailsScheduleofChangeintheLeaseLiabilityTable" xlink:to="ifrs-full_ClassesOfAssetsAxis" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfAssetsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ClassesOfAssetsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_ClassesOfAssetsAxis" xlink:to="ifrs-full_ClassesOfAssetsMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfAssetsMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ClassesOfAssetsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_ClassesOfAssetsAxis" xlink:to="ifrs-full_ClassesOfAssetsMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_LeasedAssetMember" xlink:href="cve-20231231.xsd#cve_LeasedAssetMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ClassesOfAssetsMember" xlink:to="cve_LeasedAssetMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_LeasedOfficesMember" xlink:href="cve-20231231.xsd#cve_LeasedOfficesMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ClassesOfAssetsMember" xlink:to="cve_LeasedOfficesMember" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_LeaseLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_LeaseLiabilities"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_RightofUseAssetsandLeaseLiabilityDetailsScheduleofChangeintheLeaseLiabilityLineItems" xlink:to="ifrs-full_LeaseLiabilities" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AdditionsToRightofuseAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AdditionsToRightofuseAssets"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_RightofUseAssetsandLeaseLiabilityDetailsScheduleofChangeintheLeaseLiabilityLineItems" xlink:to="ifrs-full_AdditionsToRightofuseAssets" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_LeaseTermination" xlink:href="cve-20231231.xsd#cve_LeaseTermination"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_RightofUseAssetsandLeaseLiabilityDetailsScheduleofChangeintheLeaseLiabilityLineItems" xlink:to="cve_LeaseTermination" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_Long-TermLeaseLiabilityAccretion" xlink:href="cve-20231231.xsd#cve_Long-TermLeaseLiabilityAccretion"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_RightofUseAssetsandLeaseLiabilityDetailsScheduleofChangeintheLeaseLiabilityLineItems" xlink:to="cve_Long-TermLeaseLiabilityAccretion" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GrossLeaseLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GrossLeaseLiabilities"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_RightofUseAssetsandLeaseLiabilityDetailsScheduleofChangeintheLeaseLiabilityLineItems" xlink:to="ifrs-full_GrossLeaseLiabilities" order="5" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_CurrencyTranslationAdjustment" xlink:href="cve-20231231.xsd#cve_CurrencyTranslationAdjustment"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_RightofUseAssetsandLeaseLiabilityDetailsScheduleofChangeintheLeaseLiabilityLineItems" xlink:to="cve_CurrencyTranslationAdjustment" order="6" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_CurrentLeaseLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CurrentLeaseLiabilities"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_RightofUseAssetsandLeaseLiabilityDetailsScheduleofChangeintheLeaseLiabilityLineItems" xlink:to="ifrs-full_CurrentLeaseLiabilities" order="7" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_BalanceLongTermLiability" xlink:href="cve-20231231.xsd#cve_BalanceLongTermLiability"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_RightofUseAssetsandLeaseLiabilityDetailsScheduleofChangeintheLeaseLiabilityLineItems" xlink:to="cve_BalanceLongTermLiability" order="8" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ScheduleofUndiscountedFutureLeasePaymentsTable">
<loc xlink:type="locator" xlink:label="cve_RightofUseAssetsandLeaseLiabilityDetailsScheduleofUndiscountedFutureLeasePaymentsLineItems" xlink:href="cve-20231231.xsd#cve_RightofUseAssetsandLeaseLiabilityDetailsScheduleofUndiscountedFutureLeasePaymentsLineItems"/>
<loc xlink:type="locator" xlink:label="cve_RightofUseAssetsandLeaseLiabilityDetailsScheduleofUndiscountedFutureLeasePaymentsTable" xlink:href="cve-20231231.xsd#cve_RightofUseAssetsandLeaseLiabilityDetailsScheduleofUndiscountedFutureLeasePaymentsTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="cve_RightofUseAssetsandLeaseLiabilityDetailsScheduleofUndiscountedFutureLeasePaymentsLineItems" xlink:to="cve_RightofUseAssetsandLeaseLiabilityDetailsScheduleofUndiscountedFutureLeasePaymentsTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_MaturityAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_MaturityAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_RightofUseAssetsandLeaseLiabilityDetailsScheduleofUndiscountedFutureLeasePaymentsTable" xlink:to="ifrs-full_MaturityAxis" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AggregatedTimeBandsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AggregatedTimeBandsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_MaturityAxis" xlink:to="ifrs-full_AggregatedTimeBandsMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AggregatedTimeBandsMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AggregatedTimeBandsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_MaturityAxis" xlink:to="ifrs-full_AggregatedTimeBandsMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_NotLaterThanOneYearMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NotLaterThanOneYearMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_NotLaterThanOneYearMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_UndiscountedOperatingLeasePaymentsToBeReceived" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_UndiscountedOperatingLeasePaymentsToBeReceived"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_RightofUseAssetsandLeaseLiabilityDetailsScheduleofUndiscountedFutureLeasePaymentsLineItems" xlink:to="ifrs-full_UndiscountedOperatingLeasePaymentsToBeReceived" order="1" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ScheduleofAssetAcquisitionTable">
<loc xlink:type="locator" xlink:label="cve_ScheduleOfAssetAcquisitionAbstract" xlink:href="cve-20231231.xsd#cve_ScheduleOfAssetAcquisitionAbstract"/>
<loc xlink:type="locator" xlink:label="ifrs-full_OtherCashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_OtherCashAndCashEquivalents"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfAssetAcquisitionAbstract" xlink:to="ifrs-full_OtherCashAndCashEquivalents" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ConvertiblePromissoryNote" xlink:href="cve-20231231.xsd#cve_ConvertiblePromissoryNote"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfAssetAcquisitionAbstract" xlink:to="cve_ConvertiblePromissoryNote" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_FairValueOfReplacementOptions" xlink:href="cve-20231231.xsd#cve_FairValueOfReplacementOptions"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfAssetAcquisitionAbstract" xlink:to="cve_FairValueOfReplacementOptions" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_TransactionCosts" xlink:href="cve-20231231.xsd#cve_TransactionCosts"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfAssetAcquisitionAbstract" xlink:to="cve_TransactionCosts" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfAssetAcquisitionAbstract" xlink:to="ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_NetAssetsAcquiredAbstract" xlink:href="cve-20231231.xsd#cve_NetAssetsAcquiredAbstract"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfAssetAcquisitionAbstract" xlink:to="cve_NetAssetsAcquiredAbstract" order="5" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_Prepayments" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_Prepayments"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_NetAssetsAcquiredAbstract" xlink:to="ifrs-full_Prepayments" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_NetAssetsAcquiredAbstract" xlink:to="ifrs-full_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AssetsArisingFromExplorationForAndEvaluationOfMineralResources" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AssetsArisingFromExplorationForAndEvaluationOfMineralResources"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_NetAssetsAcquiredAbstract" xlink:to="ifrs-full_AssetsArisingFromExplorationForAndEvaluationOfMineralResources" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_AssetRetirementObligations" xlink:href="cve-20231231.xsd#cve_AssetRetirementObligations"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_NetAssetsAcquiredAbstract" xlink:to="cve_AssetRetirementObligations" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_AccountsPayableAndAccruedLiability" xlink:href="cve-20231231.xsd#cve_AccountsPayableAndAccruedLiability"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_NetAssetsAcquiredAbstract" xlink:to="cve_AccountsPayableAndAccruedLiability" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_NetAssetsAcquiredAbstract" xlink:to="ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed" order="5" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ScheduleofWeightedAverageAssumptionsUsedintheBlackScholesOptionPricingModelTable">
<loc xlink:type="locator" xlink:label="cve_AssetAcquisitionDetailsScheduleofWeightedAverageAssumptionsUsedintheBlackScholesOptionPricingModelLineItems" xlink:href="cve-20231231.xsd#cve_AssetAcquisitionDetailsScheduleofWeightedAverageAssumptionsUsedintheBlackScholesOptionPricingModelLineItems"/>
<loc xlink:type="locator" xlink:label="cve_AssetAcquisitionDetailsScheduleofWeightedAverageAssumptionsUsedintheBlackScholesOptionPricingModelTable" xlink:href="cve-20231231.xsd#cve_AssetAcquisitionDetailsScheduleofWeightedAverageAssumptionsUsedintheBlackScholesOptionPricingModelTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="cve_AssetAcquisitionDetailsScheduleofWeightedAverageAssumptionsUsedintheBlackScholesOptionPricingModelLineItems" xlink:to="cve_AssetAcquisitionDetailsScheduleofWeightedAverageAssumptionsUsedintheBlackScholesOptionPricingModelTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ComponentsOfEquityAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ComponentsOfEquityAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_AssetAcquisitionDetailsScheduleofWeightedAverageAssumptionsUsedintheBlackScholesOptionPricingModelTable" xlink:to="ifrs-full_ComponentsOfEquityAxis" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_EquityMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_EquityMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_ComponentsOfEquityAxis" xlink:to="ifrs-full_EquityMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_EquityMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_EquityMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_ComponentsOfEquityAxis" xlink:to="ifrs-full_EquityMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ReplacementOptionsMember" xlink:href="cve-20231231.xsd#cve_ReplacementOptionsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_EquityMember" xlink:to="cve_ReplacementOptionsMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_WeightedAverageAbstract" xlink:href="cve-20231231.xsd#cve_WeightedAverageAbstract"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_AssetAcquisitionDetailsScheduleofWeightedAverageAssumptionsUsedintheBlackScholesOptionPricingModelLineItems" xlink:to="cve_WeightedAverageAbstract" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ExercisePriceShareOptionsGranted2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ExercisePriceShareOptionsGranted2019"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_WeightedAverageAbstract" xlink:to="ifrs-full_ExercisePriceShareOptionsGranted2019" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_WeightedAverageAbstract" xlink:to="ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ActuarialAssumptionOfDiscountRates" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ActuarialAssumptionOfDiscountRates"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_WeightedAverageAbstract" xlink:to="ifrs-full_ActuarialAssumptionOfDiscountRates" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_WeightedAverageAbstract" xlink:to="ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_WeightedAverageAbstract" xlink:to="ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_FairValueOfReplacement" xlink:href="cve-20231231.xsd#cve_FairValueOfReplacement"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_AssetAcquisitionDetailsScheduleofWeightedAverageAssumptionsUsedintheBlackScholesOptionPricingModelLineItems" xlink:to="cve_FairValueOfReplacement" order="2" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ScheduleofMineralPropertiesTable">
<loc xlink:type="locator" xlink:label="cve_MineralPropertiesDetailsScheduleofMineralPropertiesLineItems" xlink:href="cve-20231231.xsd#cve_MineralPropertiesDetailsScheduleofMineralPropertiesLineItems"/>
<loc xlink:type="locator" xlink:label="cve_MineralPropertiesDetailsScheduleofMineralPropertiesTable" xlink:href="cve-20231231.xsd#cve_MineralPropertiesDetailsScheduleofMineralPropertiesTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="cve_MineralPropertiesDetailsScheduleofMineralPropertiesLineItems" xlink:to="cve_MineralPropertiesDetailsScheduleofMineralPropertiesTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_MineralPropertiesDetailsScheduleofMineralPropertiesTable" xlink:to="ifrs-full_GeographicalAreasAxis" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_GeographicalAreasAxis" xlink:to="ifrs-full_GeographicalAreasMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_GeographicalAreasAxis" xlink:to="ifrs-full_GeographicalAreasMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfLiabilitiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ClassesOfLiabilitiesAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_MineralPropertiesDetailsScheduleofMineralPropertiesTable" xlink:to="ifrs-full_ClassesOfLiabilitiesAxis" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_LiabilitiesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_LiabilitiesMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_ClassesOfLiabilitiesAxis" xlink:to="ifrs-full_LiabilitiesMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_LiabilitiesMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_LiabilitiesMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_ClassesOfLiabilitiesAxis" xlink:to="ifrs-full_LiabilitiesMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="stpr_AZ" xlink:href="https://xbrl.sec.gov/stpr/2023/stpr-2023.xsd#stpr_AZ"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="stpr_AZ" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="stpr_CO" xlink:href="https://xbrl.sec.gov/stpr/2023/stpr-2023.xsd#stpr_CO"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="stpr_CO" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="stpr_NM" xlink:href="https://xbrl.sec.gov/stpr/2023/stpr-2023.xsd#stpr_NM"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="stpr_NM" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="stpr_SD" xlink:href="https://xbrl.sec.gov/stpr/2023/stpr-2023.xsd#stpr_SD"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="stpr_SD" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="stpr_TX" xlink:href="https://xbrl.sec.gov/stpr/2023/stpr-2023.xsd#stpr_TX"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="stpr_TX" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="stpr_UT" xlink:href="https://xbrl.sec.gov/stpr/2023/stpr-2023.xsd#stpr_UT"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="stpr_UT" order="5" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="stpr_WY" xlink:href="https://xbrl.sec.gov/stpr/2023/stpr-2023.xsd#stpr_WY"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="stpr_WY" order="6" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ExplorationCostMember" xlink:href="cve-20231231.xsd#cve_ExplorationCostMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_LiabilitiesMember" xlink:to="cve_ExplorationCostMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_DivestmentMember" xlink:href="cve-20231231.xsd#cve_DivestmentMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_LiabilitiesMember" xlink:to="cve_DivestmentMember" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ProjectDevelopmentCostsMember" xlink:href="cve-20231231.xsd#cve_ProjectDevelopmentCostsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_LiabilitiesMember" xlink:to="cve_ProjectDevelopmentCostsMember" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_MineralProperties" xlink:href="cve-20231231.xsd#cve_MineralProperties"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MineralPropertiesDetailsScheduleofMineralPropertiesLineItems" xlink:to="cve_MineralProperties" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ExplorationCostsAbstract" xlink:href="cve-20231231.xsd#cve_ExplorationCostsAbstract"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MineralPropertiesDetailsScheduleofMineralPropertiesLineItems" xlink:to="cve_ExplorationCostsAbstract" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ConstructionOfWellfields" xlink:href="cve-20231231.xsd#cve_ConstructionOfWellfields"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ExplorationCostsAbstract" xlink:to="cve_ConstructionOfWellfields" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_Drilling" xlink:href="cve-20231231.xsd#cve_Drilling"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ExplorationCostsAbstract" xlink:to="cve_Drilling" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_MaintenancesAndLeaseFees" xlink:href="cve-20231231.xsd#cve_MaintenancesAndLeaseFees"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ExplorationCostsAbstract" xlink:to="cve_MaintenancesAndLeaseFees" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_Consulting" xlink:href="cve-20231231.xsd#cve_Consulting"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ExplorationCostsAbstract" xlink:to="cve_Consulting" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_PermittingLicensing" xlink:href="cve-20231231.xsd#cve_PermittingLicensing"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ExplorationCostsAbstract" xlink:to="cve_PermittingLicensing" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_Personnel" xlink:href="cve-20231231.xsd#cve_Personnel"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ExplorationCostsAbstract" xlink:to="cve_Personnel" order="5" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ImpairmentCharged" xlink:href="cve-20231231.xsd#cve_ImpairmentCharged"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ExplorationCostsAbstract" xlink:to="cve_ImpairmentCharged" order="6" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_Recoveries" xlink:href="cve-20231231.xsd#cve_Recoveries"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ExplorationCostsAbstract" xlink:to="cve_Recoveries" order="7" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ResourceReview" xlink:href="cve-20231231.xsd#cve_ResourceReview"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ExplorationCostsAbstract" xlink:to="cve_ResourceReview" order="8" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ReclassificationAbstract" xlink:href="cve-20231231.xsd#cve_ReclassificationAbstract"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MineralPropertiesDetailsScheduleofMineralPropertiesLineItems" xlink:to="cve_ReclassificationAbstract" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ReclassificationToMiningProperties" xlink:href="cve-20231231.xsd#cve_ReclassificationToMiningProperties"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ReclassificationAbstract" xlink:to="cve_ReclassificationToMiningProperties" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_DivestmentAbstract" xlink:href="cve-20231231.xsd#cve_DivestmentAbstract"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MineralPropertiesDetailsScheduleofMineralPropertiesLineItems" xlink:to="cve_DivestmentAbstract" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_DivestMineralInterest" xlink:href="cve-20231231.xsd#cve_DivestMineralInterest"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_DivestmentAbstract" xlink:to="cve_DivestMineralInterest" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_AssetsHeldForSale" xlink:href="cve-20231231.xsd#cve_AssetsHeldForSale"/>
<!-- [WMV5][XcpuxYn59dz7vgYynUDuwG7r97K2jUTysl7vcz0lJt/tSeJz73kx1cLt0ZFF2SK/vxBCY0vdSrapBeolBQDhlou4Plg3ZACHgOGjaxwoV9s22fcKeqdlVg/8vXE8BEQPw2gSl8Pfy/SjqfZKUO0G5r2I4kuUxJBPZUBeAkYz4QpHnGsD0guZU5hugvUJLZmQWReoi18BGQ4gIRny/n7pvUz6hBz0TXrTq8eeKNj3MZnjcARE/q8Ij6LB7jtsvuSM+W5Y6hsTE5OPqw4UMNU8ivRsHFptTg9v] CSR -->
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_DivestmentAbstract" xlink:to="cve_AssetsHeldForSale" order="1" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ScheduleofMiningPropertysBalanceTable">
<loc xlink:type="locator" xlink:label="cve_MiningPropertiesDetailsScheduleofMiningPropertysBalanceLineItems" xlink:href="cve-20231231.xsd#cve_MiningPropertiesDetailsScheduleofMiningPropertysBalanceLineItems"/>
<loc xlink:type="locator" xlink:label="cve_MiningPropertiesDetailsScheduleofMiningPropertysBalanceTable" xlink:href="cve-20231231.xsd#cve_MiningPropertiesDetailsScheduleofMiningPropertysBalanceTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="cve_MiningPropertiesDetailsScheduleofMiningPropertysBalanceLineItems" xlink:to="cve_MiningPropertiesDetailsScheduleofMiningPropertysBalanceTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_MiningPropertiesDetailsScheduleofMiningPropertysBalanceTable" xlink:to="srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis" xlink:to="srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_0" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis" xlink:to="srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_RositaExtensionMember" xlink:href="cve-20231231.xsd#cve_RositaExtensionMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain" xlink:to="cve_RositaExtensionMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_AssetValue" xlink:href="cve-20231231.xsd#cve_AssetValue"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MiningPropertiesDetailsScheduleofMiningPropertysBalanceLineItems" xlink:to="cve_AssetValue" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_AdditionsMiningProperty" xlink:href="cve-20231231.xsd#cve_AdditionsMiningProperty"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MiningPropertiesDetailsScheduleofMiningPropertysBalanceLineItems" xlink:to="cve_AdditionsMiningProperty" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AmortisationExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AmortisationExpense"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MiningPropertiesDetailsScheduleofMiningPropertysBalanceLineItems" xlink:to="ifrs-full_AmortisationExpense" order="3" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ScheduleofAssetRetirementObligationsBalanceTable">
<loc xlink:type="locator" xlink:label="cve_AssetRetirementObligationsDetailsScheduleofAssetRetirementObligationsBalanceLineItems" xlink:href="cve-20231231.xsd#cve_AssetRetirementObligationsDetailsScheduleofAssetRetirementObligationsBalanceLineItems"/>
<loc xlink:type="locator" xlink:label="cve_AssetRetirementObligationsDetailsScheduleofAssetRetirementObligationsBalanceTable" xlink:href="cve-20231231.xsd#cve_AssetRetirementObligationsDetailsScheduleofAssetRetirementObligationsBalanceTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="cve_AssetRetirementObligationsDetailsScheduleofAssetRetirementObligationsBalanceLineItems" xlink:to="cve_AssetRetirementObligationsDetailsScheduleofAssetRetirementObligationsBalanceTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfAssetsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ClassesOfAssetsAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_AssetRetirementObligationsDetailsScheduleofAssetRetirementObligationsBalanceTable" xlink:to="ifrs-full_ClassesOfAssetsAxis" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfAssetsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ClassesOfAssetsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_ClassesOfAssetsAxis" xlink:to="ifrs-full_ClassesOfAssetsMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfAssetsMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ClassesOfAssetsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_ClassesOfAssetsAxis" xlink:to="ifrs-full_ClassesOfAssetsMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_KingsvilleMember" xlink:href="cve-20231231.xsd#cve_KingsvilleMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ClassesOfAssetsMember" xlink:to="cve_KingsvilleMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_RositaMember" xlink:href="cve-20231231.xsd#cve_RositaMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ClassesOfAssetsMember" xlink:to="cve_RositaMember" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_VasquezMember" xlink:href="cve-20231231.xsd#cve_VasquezMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ClassesOfAssetsMember" xlink:to="cve_VasquezMember" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_AltaMesaMember" xlink:href="cve-20231231.xsd#cve_AltaMesaMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ClassesOfAssetsMember" xlink:to="cve_AltaMesaMember" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_CentennialMember" xlink:href="cve-20231231.xsd#cve_CentennialMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ClassesOfAssetsMember" xlink:to="cve_CentennialMember" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_GasHillsMember" xlink:href="cve-20231231.xsd#cve_GasHillsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ClassesOfAssetsMember" xlink:to="cve_GasHillsMember" order="5" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_TicabooMember" xlink:href="cve-20231231.xsd#cve_TicabooMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ClassesOfAssetsMember" xlink:to="cve_TicabooMember" order="6" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_AssetRetirementObligationsBalance" xlink:href="cve-20231231.xsd#cve_AssetRetirementObligationsBalance"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_AssetRetirementObligationsDetailsScheduleofAssetRetirementObligationsBalanceLineItems" xlink:to="cve_AssetRetirementObligationsBalance" order="1" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ScheduleofAssetRetirementObligationsContinuityTable">
<loc xlink:type="locator" xlink:label="cve_ScheduleOfAssetRetirementObligationsContinuityAbstract" xlink:href="cve-20231231.xsd#cve_ScheduleOfAssetRetirementObligationsContinuityAbstract"/>
<loc xlink:type="locator" xlink:label="cve_AssetRetirementObligationsBalance" xlink:href="cve-20231231.xsd#cve_AssetRetirementObligationsBalance"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfAssetRetirementObligationsContinuityAbstract" xlink:to="cve_AssetRetirementObligationsBalance" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_AssetRetirementObligationsAdditions" xlink:href="cve-20231231.xsd#cve_AssetRetirementObligationsAdditions"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfAssetRetirementObligationsContinuityAbstract" xlink:to="cve_AssetRetirementObligationsAdditions" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_AssetRetirementObligationsAccretion" xlink:href="cve-20231231.xsd#cve_AssetRetirementObligationsAccretion"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfAssetRetirementObligationsContinuityAbstract" xlink:to="cve_AssetRetirementObligationsAccretion" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_AssetRetirementObligationsSettlement" xlink:href="cve-20231231.xsd#cve_AssetRetirementObligationsSettlement"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfAssetRetirementObligationsContinuityAbstract" xlink:to="cve_AssetRetirementObligationsSettlement" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_AssetRetirementObligationsChangeInEstimates" xlink:href="cve-20231231.xsd#cve_AssetRetirementObligationsChangeInEstimates"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfAssetRetirementObligationsContinuityAbstract" xlink:to="cve_AssetRetirementObligationsChangeInEstimates" order="4" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ScheduleofWeightedAverageAssumptionsUsedintheBlackScholesOptionPricingModelTable0">
<loc xlink:type="locator" xlink:label="cve_ShareCapitalDetailsScheduleofWeightedAverageAssumptionsUsedintheBlackScholesOptionPricingModelLineItems" xlink:href="cve-20231231.xsd#cve_ShareCapitalDetailsScheduleofWeightedAverageAssumptionsUsedintheBlackScholesOptionPricingModelLineItems"/>
<loc xlink:type="locator" xlink:label="cve_ShareCapitalDetailsScheduleofWeightedAverageAssumptionsUsedintheBlackScholesOptionPricingModelTable" xlink:href="cve-20231231.xsd#cve_ShareCapitalDetailsScheduleofWeightedAverageAssumptionsUsedintheBlackScholesOptionPricingModelTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="cve_ShareCapitalDetailsScheduleofWeightedAverageAssumptionsUsedintheBlackScholesOptionPricingModelLineItems" xlink:to="cve_ShareCapitalDetailsScheduleofWeightedAverageAssumptionsUsedintheBlackScholesOptionPricingModelTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_ShareCapitalDetailsScheduleofWeightedAverageAssumptionsUsedintheBlackScholesOptionPricingModelTable" xlink:to="ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ValuationTechniquesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ValuationTechniquesMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:to="ifrs-full_ValuationTechniquesMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ValuationTechniquesMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ValuationTechniquesMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:to="ifrs-full_ValuationTechniquesMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_BlackScholesOptionPricingModelMember" xlink:href="cve-20231231.xsd#cve_BlackScholesOptionPricingModelMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ValuationTechniquesMember" xlink:to="cve_BlackScholesOptionPricingModelMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_FindersWarrantsExercisable" xlink:href="cve-20231231.xsd#cve_FindersWarrantsExercisable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsScheduleofWeightedAverageAssumptionsUsedintheBlackScholesOptionPricingModelLineItems" xlink:to="cve_FindersWarrantsExercisable" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ExercisePriceShareOptionsGranted2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ExercisePriceShareOptionsGranted2019"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsScheduleofWeightedAverageAssumptionsUsedintheBlackScholesOptionPricingModelLineItems" xlink:to="ifrs-full_ExercisePriceShareOptionsGranted2019" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_WeightedAverageSharePrice2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_WeightedAverageSharePrice2019"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsScheduleofWeightedAverageAssumptionsUsedintheBlackScholesOptionPricingModelLineItems" xlink:to="ifrs-full_WeightedAverageSharePrice2019" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_WeightedAverageOfDiscountRates" xlink:href="cve-20231231.xsd#cve_WeightedAverageOfDiscountRates"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsScheduleofWeightedAverageAssumptionsUsedintheBlackScholesOptionPricingModelLineItems" xlink:to="cve_WeightedAverageOfDiscountRates" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsScheduleofWeightedAverageAssumptionsUsedintheBlackScholesOptionPricingModelLineItems" xlink:to="ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019" order="5" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsScheduleofWeightedAverageAssumptionsUsedintheBlackScholesOptionPricingModelLineItems" xlink:to="ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" order="6" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_FairValueOfFindersWarrants" xlink:href="cve-20231231.xsd#cve_FairValueOfFindersWarrants"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsScheduleofWeightedAverageAssumptionsUsedintheBlackScholesOptionPricingModelLineItems" xlink:to="cve_FairValueOfFindersWarrants" order="7" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ScheduleofCompanysStockOptionsOutstandingTable">
<loc xlink:type="locator" xlink:label="cve_ShareCapitalDetailsScheduleofCompanysStockOptionsOutstandingLineItems" xlink:href="cve-20231231.xsd#cve_ShareCapitalDetailsScheduleofCompanysStockOptionsOutstandingLineItems"/>
<loc xlink:type="locator" xlink:label="cve_ShareCapitalDetailsScheduleofCompanysStockOptionsOutstandingTable" xlink:href="cve-20231231.xsd#cve_ShareCapitalDetailsScheduleofCompanysStockOptionsOutstandingTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="cve_ShareCapitalDetailsScheduleofCompanysStockOptionsOutstandingLineItems" xlink:to="cve_ShareCapitalDetailsScheduleofCompanysStockOptionsOutstandingTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_SegmentsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_SegmentsAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_ShareCapitalDetailsScheduleofCompanysStockOptionsOutstandingTable" xlink:to="ifrs-full_SegmentsAxis" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_SegmentsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_SegmentsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_SegmentsAxis" xlink:to="ifrs-full_SegmentsMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_SegmentsMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_SegmentsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_SegmentsAxis" xlink:to="ifrs-full_SegmentsMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_SharesBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:href="cve-20231231.xsd#cve_SharesBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsScheduleofCompanysStockOptionsOutstandingLineItems" xlink:to="cve_SharesBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsScheduleofCompanysStockOptionsOutstandingLineItems" xlink:to="ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_SharesBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:href="cve-20231231.xsd#cve_SharesBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsScheduleofCompanysStockOptionsOutstandingLineItems" xlink:to="cve_SharesBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsScheduleofCompanysStockOptionsOutstandingLineItems" xlink:to="ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_StockIssuedDuringPeriodShareStockOptionsExercised" xlink:href="cve-20231231.xsd#cve_StockIssuedDuringPeriodShareStockOptionsExercised"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsScheduleofCompanysStockOptionsOutstandingLineItems" xlink:to="cve_StockIssuedDuringPeriodShareStockOptionsExercised" order="5" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsScheduleofCompanysStockOptionsOutstandingLineItems" xlink:to="ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019" order="6" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_StockIssuedDuringPeriodShareSharesBasedCompensationForfeited" xlink:href="cve-20231231.xsd#cve_StockIssuedDuringPeriodShareSharesBasedCompensationForfeited"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsScheduleofCompanysStockOptionsOutstandingLineItems" xlink:to="cve_StockIssuedDuringPeriodShareSharesBasedCompensationForfeited" order="7" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsScheduleofCompanysStockOptionsOutstandingLineItems" xlink:to="ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019" order="8" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_SharesBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" xlink:href="cve-20231231.xsd#cve_SharesBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsScheduleofCompanysStockOptionsOutstandingLineItems" xlink:to="cve_SharesBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" order="9" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement2019"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsScheduleofCompanysStockOptionsOutstandingLineItems" xlink:to="ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement2019" order="10" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ScheduleofStockOptionsOutstandingTable">
<loc xlink:type="locator" xlink:label="cve_ShareCapitalDetailsScheduleofStockOptionsOutstandingLineItems" xlink:href="cve-20231231.xsd#cve_ShareCapitalDetailsScheduleofStockOptionsOutstandingLineItems"/>
<loc xlink:type="locator" xlink:label="cve_ShareCapitalDetailsScheduleofStockOptionsOutstandingTable" xlink:href="cve-20231231.xsd#cve_ShareCapitalDetailsScheduleofStockOptionsOutstandingTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="cve_ShareCapitalDetailsScheduleofStockOptionsOutstandingLineItems" xlink:to="cve_ShareCapitalDetailsScheduleofStockOptionsOutstandingTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ComponentsOfEquityAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ComponentsOfEquityAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_ShareCapitalDetailsScheduleofStockOptionsOutstandingTable" xlink:to="ifrs-full_ComponentsOfEquityAxis" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_EquityMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_EquityMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_ComponentsOfEquityAxis" xlink:to="ifrs-full_EquityMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_EquityMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_EquityMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_ComponentsOfEquityAxis" xlink:to="ifrs-full_EquityMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_ShareCapitalDetailsScheduleofStockOptionsOutstandingTable" xlink:to="ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis" xlink:to="ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis" xlink:to="ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ZeroOneEightOneNineTwoMember" xlink:href="cve-20231231.xsd#cve_ZeroOneEightOneNineTwoMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsMember" xlink:to="cve_ZeroOneEightOneNineTwoMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_TwoFourZeroThreeSevenEightMember" xlink:href="cve-20231231.xsd#cve_TwoFourZeroThreeSevenEightMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsMember" xlink:to="cve_TwoFourZeroThreeSevenEightMember" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_FourTwoZeroFiveSevenSixMember" xlink:href="cve-20231231.xsd#cve_FourTwoZeroFiveSevenSixMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsMember" xlink:to="cve_FourTwoZeroFiveSevenSixMember" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_StockOptionsMember" xlink:href="cve-20231231.xsd#cve_StockOptionsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_EquityMember" xlink:to="cve_StockOptionsMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_SharesBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:href="cve-20231231.xsd#cve_SharesBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsScheduleofStockOptionsOutstandingLineItems" xlink:to="cve_SharesBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_WeightedAverageDurationOfDefinedBenefitObligation2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_WeightedAverageDurationOfDefinedBenefitObligation2019"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsScheduleofStockOptionsOutstandingLineItems" xlink:to="ifrs-full_WeightedAverageDurationOfDefinedBenefitObligation2019" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ExercisePriceOfOutstandingShareOptions2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ExercisePriceOfOutstandingShareOptions2019"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsScheduleofStockOptionsOutstandingLineItems" xlink:to="ifrs-full_ExercisePriceOfOutstandingShareOptions2019" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_SharesBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber" xlink:href="cve-20231231.xsd#cve_SharesBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsScheduleofStockOptionsOutstandingLineItems" xlink:to="cve_SharesBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ExercisePriceShareOptionsGranted2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ExercisePriceShareOptionsGranted2019"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsScheduleofStockOptionsOutstandingLineItems" xlink:to="ifrs-full_ExercisePriceShareOptionsGranted2019" order="5" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ScheduleofWeightedAverageAssumptionsUsedinCalculatingtheFairValuesTable">
<loc xlink:type="locator" xlink:label="cve_ScheduleOfWeightedAverageAssumptionsUsedInCalculatingTheFairValuesAbstract" xlink:href="cve-20231231.xsd#cve_ScheduleOfWeightedAverageAssumptionsUsedInCalculatingTheFairValuesAbstract"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfWeightedAverageAssumptionsUsedInCalculatingTheFairValuesAbstract" xlink:to="ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions" xlink:href="cve-20231231.xsd#cve_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfWeightedAverageAssumptionsUsedInCalculatingTheFairValuesAbstract" xlink:to="cve_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfWeightedAverageAssumptionsUsedInCalculatingTheFairValuesAbstract" xlink:to="ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfWeightedAverageAssumptionsUsedInCalculatingTheFairValuesAbstract" xlink:to="ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_FairValuePerOptionin" xlink:href="cve-20231231.xsd#cve_FairValuePerOptionin"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfWeightedAverageAssumptionsUsedInCalculatingTheFairValuesAbstract" xlink:to="cve_FairValuePerOptionin" order="4" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ScheduleoftheStatusoftheCompanysWarrantsTable">
<loc xlink:type="locator" xlink:label="cve_ScheduleOfTheStatusOfTheCompanySWarrantsAbstract" xlink:href="cve-20231231.xsd#cve_ScheduleOfTheStatusOfTheCompanySWarrantsAbstract"/>
<loc xlink:type="locator" xlink:label="cve_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptionsWarrantsOutstanding" xlink:href="cve-20231231.xsd#cve_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptionsWarrantsOutstanding"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfTheStatusOfTheCompanySWarrantsAbstract" xlink:to="cve_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptionsWarrantsOutstanding" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_SharesBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingPeriodIncreaseDecreaseWeightedAverageExercisePrice" xlink:href="cve-20231231.xsd#cve_SharesBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingPeriodIncreaseDecreaseWeightedAverageExercisePrice"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfTheStatusOfTheCompanySWarrantsAbstract" xlink:to="cve_SharesBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingPeriodIncreaseDecreaseWeightedAverageExercisePrice" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ShareBasedCompensationArrangementBySharesBasedPaymentAwardOptionsGrantsInPeriodWarrantsGranted" xlink:href="cve-20231231.xsd#cve_ShareBasedCompensationArrangementBySharesBasedPaymentAwardOptionsGrantsInPeriodWarrantsGranted"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfTheStatusOfTheCompanySWarrantsAbstract" xlink:to="cve_ShareBasedCompensationArrangementBySharesBasedPaymentAwardOptionsGrantsInPeriodWarrantsGranted" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_SharesbasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" xlink:href="cve-20231231.xsd#cve_SharesbasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfTheStatusOfTheCompanySWarrantsAbstract" xlink:to="cve_SharesbasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercisedWarrantsExercised" xlink:href="cve-20231231.xsd#cve_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercisedWarrantsExercised"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfTheStatusOfTheCompanySWarrantsAbstract" xlink:to="cve_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercisedWarrantsExercised" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_SharesBasedCompensationArrangementBySharesBasedPaymentAwardOptionsOutstandingPeriodIncreaseDecreaseWeightedAverageExercisePrice" xlink:href="cve-20231231.xsd#cve_SharesBasedCompensationArrangementBySharesBasedPaymentAwardOptionsOutstandingPeriodIncreaseDecreaseWeightedAverageExercisePrice"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfTheStatusOfTheCompanySWarrantsAbstract" xlink:to="cve_SharesBasedCompensationArrangementBySharesBasedPaymentAwardOptionsOutstandingPeriodIncreaseDecreaseWeightedAverageExercisePrice" order="5" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWarrantsExpired" xlink:href="cve-20231231.xsd#cve_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWarrantsExpired"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfTheStatusOfTheCompanySWarrantsAbstract" xlink:to="cve_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWarrantsExpired" order="6" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ShareBasedCompensationArrangementsBySharesBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice" xlink:href="cve-20231231.xsd#cve_ShareBasedCompensationArrangementsBySharesBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfTheStatusOfTheCompanySWarrantsAbstract" xlink:to="cve_ShareBasedCompensationArrangementsBySharesBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice" order="7" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ScheduleofSharePurchaseWarrantsOutstandingTable">
<loc xlink:type="locator" xlink:label="cve_ShareCapitalDetailsScheduleofSharePurchaseWarrantsOutstandingLineItems" xlink:href="cve-20231231.xsd#cve_ShareCapitalDetailsScheduleofSharePurchaseWarrantsOutstandingLineItems"/>
<loc xlink:type="locator" xlink:label="cve_ShareCapitalDetailsScheduleofSharePurchaseWarrantsOutstandingTable" xlink:href="cve-20231231.xsd#cve_ShareCapitalDetailsScheduleofSharePurchaseWarrantsOutstandingTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="cve_ShareCapitalDetailsScheduleofSharePurchaseWarrantsOutstandingLineItems" xlink:to="cve_ShareCapitalDetailsScheduleofSharePurchaseWarrantsOutstandingTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_ShareCapitalDetailsScheduleofSharePurchaseWarrantsOutstandingTable" xlink:to="ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis" xlink:to="ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis" xlink:to="ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ThreePointZeroZeroToFourPointZeroFiveOneMember" xlink:href="cve-20231231.xsd#cve_ThreePointZeroZeroToFourPointZeroFiveOneMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsMember" xlink:to="cve_ThreePointZeroZeroToFourPointZeroFiveOneMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_FourPointFiveNineToSixPointZeroZeroMember" xlink:href="cve-20231231.xsd#cve_FourPointFiveNineToSixPointZeroZeroMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsMember" xlink:to="cve_FourPointFiveNineToSixPointZeroZeroMember" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_Warrants" xlink:href="cve-20231231.xsd#cve_Warrants"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsScheduleofSharePurchaseWarrantsOutstandingLineItems" xlink:to="cve_Warrants" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_WarrantsOutstandingWeightedAverageReimainingLife" xlink:href="cve-20231231.xsd#cve_WarrantsOutstandingWeightedAverageReimainingLife"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsScheduleofSharePurchaseWarrantsOutstandingLineItems" xlink:to="cve_WarrantsOutstandingWeightedAverageReimainingLife" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_WarrantsOutstandingWeightedAverageExercisePrice" xlink:href="cve-20231231.xsd#cve_WarrantsOutstandingWeightedAverageExercisePrice"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsScheduleofSharePurchaseWarrantsOutstandingLineItems" xlink:to="cve_WarrantsOutstandingWeightedAverageExercisePrice" order="3" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ScheduleofReconciliationoftheConvertibleDebentureComponentsTable">
<loc xlink:type="locator" xlink:label="cve_ShareCapitalDetailsScheduleofReconciliationoftheConvertibleDebentureComponentsLineItems" xlink:href="cve-20231231.xsd#cve_ShareCapitalDetailsScheduleofReconciliationoftheConvertibleDebentureComponentsLineItems"/>
<loc xlink:type="locator" xlink:label="cve_ShareCapitalDetailsScheduleofReconciliationoftheConvertibleDebentureComponentsTable" xlink:href="cve-20231231.xsd#cve_ShareCapitalDetailsScheduleofReconciliationoftheConvertibleDebentureComponentsTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="cve_ShareCapitalDetailsScheduleofReconciliationoftheConvertibleDebentureComponentsLineItems" xlink:to="cve_ShareCapitalDetailsScheduleofReconciliationoftheConvertibleDebentureComponentsTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_TypesOfAntidilutiveInstrumentsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_TypesOfAntidilutiveInstrumentsAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_ShareCapitalDetailsScheduleofReconciliationoftheConvertibleDebentureComponentsTable" xlink:to="ifrs-full_TypesOfAntidilutiveInstrumentsAxis" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AntidilutiveInstrumentsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AntidilutiveInstrumentsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_TypesOfAntidilutiveInstrumentsAxis" xlink:to="ifrs-full_AntidilutiveInstrumentsMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AntidilutiveInstrumentsMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AntidilutiveInstrumentsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_TypesOfAntidilutiveInstrumentsAxis" xlink:to="ifrs-full_AntidilutiveInstrumentsMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_EquityComponentAxis" xlink:href="cve-20231231.xsd#cve_EquityComponentAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_ShareCapitalDetailsScheduleofReconciliationoftheConvertibleDebentureComponentsTable" xlink:to="cve_EquityComponentAxis" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_EquityComponentDomainDomain" xlink:href="cve-20231231.xsd#cve_EquityComponentDomainDomain"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="cve_EquityComponentAxis" xlink:to="cve_EquityComponentDomainDomain" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_EquityComponentDomainDomain_0" xlink:href="cve-20231231.xsd#cve_EquityComponentDomainDomain"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="cve_EquityComponentAxis" xlink:to="cve_EquityComponentDomainDomain_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_LiabilitiesComponentAxis" xlink:href="cve-20231231.xsd#cve_LiabilitiesComponentAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_ShareCapitalDetailsScheduleofReconciliationoftheConvertibleDebentureComponentsTable" xlink:to="cve_LiabilitiesComponentAxis" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_LiabilitiesComponentDomainDomain" xlink:href="cve-20231231.xsd#cve_LiabilitiesComponentDomainDomain"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="cve_LiabilitiesComponentAxis" xlink:to="cve_LiabilitiesComponentDomainDomain" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_LiabilitiesComponentDomainDomain_0" xlink:href="cve-20231231.xsd#cve_LiabilitiesComponentDomainDomain"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="cve_LiabilitiesComponentAxis" xlink:to="cve_LiabilitiesComponentDomainDomain_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_EquityMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_EquityMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_EquityComponentDomainDomain" xlink:to="ifrs-full_EquityMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_LiabilitiesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_LiabilitiesMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_LiabilitiesComponentDomainDomain" xlink:to="ifrs-full_LiabilitiesMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ConvertibleInstrumentsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ConvertibleInstrumentsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_AntidilutiveInstrumentsMember" xlink:to="ifrs-full_ConvertibleInstrumentsMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ConvertibleDebenture" xlink:href="cve-20231231.xsd#cve_ConvertibleDebenture"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsScheduleofReconciliationoftheConvertibleDebentureComponentsLineItems" xlink:to="cve_ConvertibleDebenture" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_IssuanceOfPromissoryNote" xlink:href="cve-20231231.xsd#cve_IssuanceOfPromissoryNote"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsScheduleofReconciliationoftheConvertibleDebentureComponentsLineItems" xlink:to="cve_IssuanceOfPromissoryNote" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_AccretionExpenses" xlink:href="cve-20231231.xsd#cve_AccretionExpenses"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsScheduleofReconciliationoftheConvertibleDebentureComponentsLineItems" xlink:to="cve_AccretionExpenses" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_PrincipalPayments" xlink:href="cve-20231231.xsd#cve_PrincipalPayments"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsScheduleofReconciliationoftheConvertibleDebentureComponentsLineItems" xlink:to="cve_PrincipalPayments" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_AccruedInterest" xlink:href="cve-20231231.xsd#cve_AccruedInterest"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsScheduleofReconciliationoftheConvertibleDebentureComponentsLineItems" xlink:to="cve_AccruedInterest" order="5" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_LiabilitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_LiabilitiesAbstract"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsScheduleofReconciliationoftheConvertibleDebentureComponentsLineItems" xlink:to="ifrs-full_LiabilitiesAbstract" order="6" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_AccruedInterestNotYetPaid" xlink:href="cve-20231231.xsd#cve_AccruedInterestNotYetPaid"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_LiabilitiesAbstract" xlink:to="cve_AccruedInterestNotYetPaid" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_LongTermPortionConvertibleDebenture" xlink:href="cve-20231231.xsd#cve_LongTermPortionConvertibleDebenture"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_LiabilitiesAbstract" xlink:to="cve_LongTermPortionConvertibleDebenture" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_NoncurrentPortionOfNoncurrentNotesAndDebenturesIssued" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NoncurrentPortionOfNoncurrentNotesAndDebenturesIssued"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsScheduleofReconciliationoftheConvertibleDebentureComponentsLineItems" xlink:to="ifrs-full_NoncurrentPortionOfNoncurrentNotesAndDebenturesIssued" order="7" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ScheduleofAmountsPaidtoKeyManagementTable">
<loc xlink:type="locator" xlink:label="cve_RelatedPartyTransactionsandBalancesDetailsScheduleofAmountsPaidtoKeyManagementLineItems" xlink:href="cve-20231231.xsd#cve_RelatedPartyTransactionsandBalancesDetailsScheduleofAmountsPaidtoKeyManagementLineItems"/>
<loc xlink:type="locator" xlink:label="cve_RelatedPartyTransactionsandBalancesDetailsScheduleofAmountsPaidtoKeyManagementTable" xlink:href="cve-20231231.xsd#cve_RelatedPartyTransactionsandBalancesDetailsScheduleofAmountsPaidtoKeyManagementTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="cve_RelatedPartyTransactionsandBalancesDetailsScheduleofAmountsPaidtoKeyManagementLineItems" xlink:to="cve_RelatedPartyTransactionsandBalancesDetailsScheduleofAmountsPaidtoKeyManagementTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ProductsAndServicesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ProductsAndServicesAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_RelatedPartyTransactionsandBalancesDetailsScheduleofAmountsPaidtoKeyManagementTable" xlink:to="ifrs-full_ProductsAndServicesAxis" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ProductsAndServicesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ProductsAndServicesMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_ProductsAndServicesAxis" xlink:to="ifrs-full_ProductsAndServicesMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ProductsAndServicesMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ProductsAndServicesMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_ProductsAndServicesAxis" xlink:to="ifrs-full_ProductsAndServicesMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ConsultingMember" xlink:href="cve-20231231.xsd#cve_ConsultingMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ProductsAndServicesMember" xlink:to="cve_ConsultingMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_DataAcquisitionMember" xlink:href="cve-20231231.xsd#cve_DataAcquisitionMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ProductsAndServicesMember" xlink:to="cve_DataAcquisitionMember" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_DirectorsFeesMember" xlink:href="cve-20231231.xsd#cve_DirectorsFeesMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ProductsAndServicesMember" xlink:to="cve_DirectorsFeesMember" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_StaffCostsMember" xlink:href="cve-20231231.xsd#cve_StaffCostsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ProductsAndServicesMember" xlink:to="cve_StaffCostsMember" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_StockOptionExpenseMember" xlink:href="cve-20231231.xsd#cve_StockOptionExpenseMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ProductsAndServicesMember" xlink:to="cve_StockOptionExpenseMember" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_KeyManagementPersonnelCompensation" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_KeyManagementPersonnelCompensation"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_RelatedPartyTransactionsandBalancesDetailsScheduleofAmountsPaidtoKeyManagementLineItems" xlink:to="ifrs-full_KeyManagementPersonnelCompensation" order="1" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ScheduleofOwingtoRelatedPartiesTable">
<loc xlink:type="locator" xlink:label="cve_RelatedPartyTransactionsandBalancesDetailsScheduleofOwingtoRelatedPartiesLineItems" xlink:href="cve-20231231.xsd#cve_RelatedPartyTransactionsandBalancesDetailsScheduleofOwingtoRelatedPartiesLineItems"/>
<loc xlink:type="locator" xlink:label="cve_RelatedPartyTransactionsandBalancesDetailsScheduleofOwingtoRelatedPartiesTable" xlink:href="cve-20231231.xsd#cve_RelatedPartyTransactionsandBalancesDetailsScheduleofOwingtoRelatedPartiesTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="cve_RelatedPartyTransactionsandBalancesDetailsScheduleofOwingtoRelatedPartiesLineItems" xlink:to="cve_RelatedPartyTransactionsandBalancesDetailsScheduleofOwingtoRelatedPartiesTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_RelatedPartyTransactionsandBalancesDetailsScheduleofOwingtoRelatedPartiesTable" xlink:to="ifrs-full_GeographicalAreasAxis" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_GeographicalAreasAxis" xlink:to="ifrs-full_GeographicalAreasMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_GeographicalAreasAxis" xlink:to="ifrs-full_GeographicalAreasMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_FiveSpotCorpMember" xlink:href="cve-20231231.xsd#cve_FiveSpotCorpMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_FiveSpotCorpMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_HovanVenturesLLCMember" xlink:href="cve-20231231.xsd#cve_HovanVenturesLLCMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_HovanVenturesLLCMember" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_OfficersAndBoardMembersMember" xlink:href="cve-20231231.xsd#cve_OfficersAndBoardMembersMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_OfficersAndBoardMembersMember" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AmountsPayableRelatedPartyTransactions" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AmountsPayableRelatedPartyTransactions"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_RelatedPartyTransactionsandBalancesDetailsScheduleofOwingtoRelatedPartiesLineItems" xlink:to="ifrs-full_AmountsPayableRelatedPartyTransactions" order="1" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ScheduleofForeignCurrencyExposuresTable">
<loc xlink:type="locator" xlink:label="cve_FinancialInstrumentsDetailsScheduleofForeignCurrencyExposuresLineItems" xlink:href="cve-20231231.xsd#cve_FinancialInstrumentsDetailsScheduleofForeignCurrencyExposuresLineItems"/>
<loc xlink:type="locator" xlink:label="cve_FinancialInstrumentsDetailsScheduleofForeignCurrencyExposuresTable" xlink:href="cve-20231231.xsd#cve_FinancialInstrumentsDetailsScheduleofForeignCurrencyExposuresTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="cve_FinancialInstrumentsDetailsScheduleofForeignCurrencyExposuresLineItems" xlink:to="cve_FinancialInstrumentsDetailsScheduleofForeignCurrencyExposuresTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="srt_CurrencyAxis" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_CurrencyAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_FinancialInstrumentsDetailsScheduleofForeignCurrencyExposuresTable" xlink:to="srt_CurrencyAxis" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="currency_AllCurrenciesDomain" xlink:href="https://xbrl.sec.gov/currency/2023/currency-2023.xsd#currency_AllCurrenciesDomain"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="srt_CurrencyAxis" xlink:to="currency_AllCurrenciesDomain" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="currency_AllCurrenciesDomain_0" xlink:href="https://xbrl.sec.gov/currency/2023/currency-2023.xsd#currency_AllCurrenciesDomain"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="srt_CurrencyAxis" xlink:to="currency_AllCurrenciesDomain_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ForeignCurrencyExposuresMember" xlink:href="cve-20231231.xsd#cve_ForeignCurrencyExposuresMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="currency_AllCurrenciesDomain" xlink:to="cve_ForeignCurrencyExposuresMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_Cash" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_Cash"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_FinancialInstrumentsDetailsScheduleofForeignCurrencyExposuresLineItems" xlink:to="ifrs-full_Cash" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_MarketableeSecuritiesCurrent" xlink:href="cve-20231231.xsd#cve_MarketableeSecuritiesCurrent"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_FinancialInstrumentsDetailsScheduleofForeignCurrencyExposuresLineItems" xlink:to="cve_MarketableeSecuritiesCurrent" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_AccountPayablesAndAccruedLiabilities" xlink:href="cve-20231231.xsd#cve_AccountPayablesAndAccruedLiabilities"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_FinancialInstrumentsDetailsScheduleofForeignCurrencyExposuresLineItems" xlink:to="cve_AccountPayablesAndAccruedLiabilities" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AssetsLessCurrentLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AssetsLessCurrentLiabilities"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_FinancialInstrumentsDetailsScheduleofForeignCurrencyExposuresLineItems" xlink:to="ifrs-full_AssetsLessCurrentLiabilities" order="4" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ScheduleofLongTermAssetsbyGeographicSegmentTable">
<loc xlink:type="locator" xlink:label="cve_SegmentedInformationDetailsScheduleofLongTermAssetsbyGeographicSegmentLineItems" xlink:href="cve-20231231.xsd#cve_SegmentedInformationDetailsScheduleofLongTermAssetsbyGeographicSegmentLineItems"/>
<loc xlink:type="locator" xlink:label="cve_SegmentedInformationDetailsScheduleofLongTermAssetsbyGeographicSegmentTable" xlink:href="cve-20231231.xsd#cve_SegmentedInformationDetailsScheduleofLongTermAssetsbyGeographicSegmentTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="cve_SegmentedInformationDetailsScheduleofLongTermAssetsbyGeographicSegmentLineItems" xlink:to="cve_SegmentedInformationDetailsScheduleofLongTermAssetsbyGeographicSegmentTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_SegmentedInformationDetailsScheduleofLongTermAssetsbyGeographicSegmentTable" xlink:to="ifrs-full_GeographicalAreasAxis" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_GeographicalAreasAxis" xlink:to="ifrs-full_GeographicalAreasMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_GeographicalAreasAxis" xlink:to="ifrs-full_GeographicalAreasMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="stpr_SD" xlink:href="https://xbrl.sec.gov/stpr/2023/stpr-2023.xsd#stpr_SD"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="stpr_SD" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="stpr_TX" xlink:href="https://xbrl.sec.gov/stpr/2023/stpr-2023.xsd#stpr_TX"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="stpr_TX" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="stpr_NM" xlink:href="https://xbrl.sec.gov/stpr/2023/stpr-2023.xsd#stpr_NM"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="stpr_NM" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="stpr_WY" xlink:href="https://xbrl.sec.gov/stpr/2023/stpr-2023.xsd#stpr_WY"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="stpr_WY" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_OtherStatesMember" xlink:href="cve-20231231.xsd#cve_OtherStatesMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_OtherStatesMember" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="country_CA" xlink:href="https://xbrl.sec.gov/country/2023/country-2023.xsd#country_CA"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="country_CA" order="5" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwill"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_SegmentedInformationDetailsScheduleofLongTermAssetsbyGeographicSegmentLineItems" xlink:to="ifrs-full_IntangibleAssetsOtherThanGoodwill" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_PropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_PropertyPlantAndEquipment"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_SegmentedInformationDetailsScheduleofLongTermAssetsbyGeographicSegmentLineItems" xlink:to="ifrs-full_PropertyPlantAndEquipment" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_MineralProperty" xlink:href="cve-20231231.xsd#cve_MineralProperty"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_SegmentedInformationDetailsScheduleofLongTermAssetsbyGeographicSegmentLineItems" xlink:to="cve_MineralProperty" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_MiningProperties" xlink:href="cve-20231231.xsd#cve_MiningProperties"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_SegmentedInformationDetailsScheduleofLongTermAssetsbyGeographicSegmentLineItems" xlink:to="cve_MiningProperties" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_RightofuseAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RightofuseAssets"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_SegmentedInformationDetailsScheduleofLongTermAssetsbyGeographicSegmentLineItems" xlink:to="ifrs-full_RightofuseAssets" order="5" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_SegmentedInformationBalance" xlink:href="cve-20231231.xsd#cve_SegmentedInformationBalance"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_SegmentedInformationDetailsScheduleofLongTermAssetsbyGeographicSegmentLineItems" xlink:to="cve_SegmentedInformationBalance" order="6" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ScheduleofIncurredNonCashFinancingandInvestingActivitiesTable">
<loc xlink:type="locator" xlink:label="cve_ScheduleOfIncurredNonCashFinancingAndInvestingActivitiesAbstract" xlink:href="cve-20231231.xsd#cve_ScheduleOfIncurredNonCashFinancingAndInvestingActivitiesAbstract"/>
<loc xlink:type="locator" xlink:label="cve_NonCashFinancingActivitiesAbstract" xlink:href="cve-20231231.xsd#cve_NonCashFinancingActivitiesAbstract"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfIncurredNonCashFinancingAndInvestingActivitiesAbstract" xlink:to="cve_NonCashFinancingActivitiesAbstract" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ShareIssueCostsOnFindersWarrantsIssued" xlink:href="cve-20231231.xsd#cve_ShareIssueCostsOnFindersWarrantsIssued"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_NonCashFinancingActivitiesAbstract" xlink:to="cve_ShareIssueCostsOnFindersWarrantsIssued" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_CurrentAccruedExpensesAndOtherCurrentLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CurrentAccruedExpensesAndOtherCurrentLiabilities"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_NonCashFinancingActivitiesAbstract" xlink:to="ifrs-full_CurrentAccruedExpensesAndOtherCurrentLiabilities" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_TotalNoncashFinancingActivities" xlink:href="cve-20231231.xsd#cve_TotalNoncashFinancingActivities"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_NonCashFinancingActivitiesAbstract" xlink:to="cve_TotalNoncashFinancingActivities" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_NonCashInvestingActivitiesAbstract" xlink:href="cve-20231231.xsd#cve_NonCashInvestingActivitiesAbstract"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfIncurredNonCashFinancingAndInvestingActivitiesAbstract" xlink:to="cve_NonCashInvestingActivitiesAbstract" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_LiabilitiesArisingFromExplorationForAndEvaluationOfMineralResources" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_LiabilitiesArisingFromExplorationForAndEvaluationOfMineralResources"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_NonCashInvestingActivitiesAbstract" xlink:to="ifrs-full_LiabilitiesArisingFromExplorationForAndEvaluationOfMineralResources" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_PropertyPlantAndEquipmentAdditionIncludedInAccountsPayableAndAccruedLiabilities" xlink:href="cve-20231231.xsd#cve_PropertyPlantAndEquipmentAdditionIncludedInAccountsPayableAndAccruedLiabilities"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_NonCashInvestingActivitiesAbstract" xlink:to="cve_PropertyPlantAndEquipmentAdditionIncludedInAccountsPayableAndAccruedLiabilities" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ReclamationSettlementsRemainingInAccountsPayable" xlink:href="cve-20231231.xsd#cve_ReclamationSettlementsRemainingInAccountsPayable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_NonCashInvestingActivitiesAbstract" xlink:to="cve_ReclamationSettlementsRemainingInAccountsPayable" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ConvertiblePromissoryNoteIssuedForAssetAcquisition" xlink:href="cve-20231231.xsd#cve_ConvertiblePromissoryNoteIssuedForAssetAcquisition"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_NonCashInvestingActivitiesAbstract" xlink:to="cve_ConvertiblePromissoryNoteIssuedForAssetAcquisition" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_MarketableSecuritieReceivedOnDispositionOfMineralProperties" xlink:href="cve-20231231.xsd#cve_MarketableSecuritieReceivedOnDispositionOfMineralProperties"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_NonCashInvestingActivitiesAbstract" xlink:to="cve_MarketableSecuritieReceivedOnDispositionOfMineralProperties" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_TotalNoncashInvestingActivities" xlink:href="cve-20231231.xsd#cve_TotalNoncashInvestingActivities"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_NonCashInvestingActivitiesAbstract" xlink:to="cve_TotalNoncashInvestingActivities" order="5" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ScheduleofIncomeTaxExpenseRecoveryTable">
<loc xlink:type="locator" xlink:label="cve_ScheduleOfIncomeTaxExpenseRecoveryAbstract" xlink:href="cve-20231231.xsd#cve_ScheduleOfIncomeTaxExpenseRecoveryAbstract"/>
<loc xlink:type="locator" xlink:label="cve_CurrentTaxExpenseRecoveryAbstract" xlink:href="cve-20231231.xsd#cve_CurrentTaxExpenseRecoveryAbstract"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfIncomeTaxExpenseRecoveryAbstract" xlink:to="cve_CurrentTaxExpenseRecoveryAbstract" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_AdjustmentsForCurrentPeriodTax" xlink:href="cve-20231231.xsd#cve_AdjustmentsForCurrentPeriodTax"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_CurrentTaxExpenseRecoveryAbstract" xlink:to="cve_AdjustmentsForCurrentPeriodTax" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_DeferredTaxExpenseRecoveryAbstract" xlink:href="cve-20231231.xsd#cve_DeferredTaxExpenseRecoveryAbstract"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfIncomeTaxExpenseRecoveryAbstract" xlink:to="cve_DeferredTaxExpenseRecoveryAbstract" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_OrginationAndReversalOfTemporaryDifferences" xlink:href="cve-20231231.xsd#cve_OrginationAndReversalOfTemporaryDifferences"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_DeferredTaxExpenseRecoveryAbstract" xlink:to="cve_OrginationAndReversalOfTemporaryDifferences" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DeferredTaxExpenseIncomeRelatingToTaxRateChangesOrImpositionOfNewTaxes" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DeferredTaxExpenseIncomeRelatingToTaxRateChangesOrImpositionOfNewTaxes"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_DeferredTaxExpenseRecoveryAbstract" xlink:to="ifrs-full_DeferredTaxExpenseIncomeRelatingToTaxRateChangesOrImpositionOfNewTaxes" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ChangeInUnrecognizedTemporaryDifference" xlink:href="cve-20231231.xsd#cve_ChangeInUnrecognizedTemporaryDifference"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_DeferredTaxExpenseRecoveryAbstract" xlink:to="cve_ChangeInUnrecognizedTemporaryDifference" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_IncomeTaxesPaidRefund" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IncomeTaxesPaidRefund"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfIncomeTaxExpenseRecoveryAbstract" xlink:to="ifrs-full_IncomeTaxesPaidRefund" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_LossCarryforward" xlink:href="cve-20231231.xsd#cve_LossCarryforward"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfIncomeTaxExpenseRecoveryAbstract" xlink:to="cve_LossCarryforward" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_OtherFinancialLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_OtherFinancialLiabilities"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_LossCarryforward" xlink:to="ifrs-full_OtherFinancialLiabilities" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DeferredTaxLiabilityAsset" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DeferredTaxLiabilityAsset"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_LossCarryforward" xlink:to="ifrs-full_DeferredTaxLiabilityAsset" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_IncomeTaxExpenseSetOffOfTax" xlink:href="cve-20231231.xsd#cve_IncomeTaxExpenseSetOffOfTax"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_LossCarryforward" xlink:to="cve_IncomeTaxExpenseSetOffOfTax" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_NetDeferredTaxAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NetDeferredTaxAssets"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfIncomeTaxExpenseRecoveryAbstract" xlink:to="ifrs-full_NetDeferredTaxAssets" order="4" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ScheduleofIncomeTaxProvisionTable">
<loc xlink:type="locator" xlink:label="cve_CurrentandDeferredIncomeTaxDetailsScheduleofIncomeTaxProvisionLineItems" xlink:href="cve-20231231.xsd#cve_CurrentandDeferredIncomeTaxDetailsScheduleofIncomeTaxProvisionLineItems"/>
<loc xlink:type="locator" xlink:label="cve_CurrentandDeferredIncomeTaxDetailsScheduleofIncomeTaxProvisionTable" xlink:href="cve-20231231.xsd#cve_CurrentandDeferredIncomeTaxDetailsScheduleofIncomeTaxProvisionTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="cve_CurrentandDeferredIncomeTaxDetailsScheduleofIncomeTaxProvisionLineItems" xlink:to="cve_CurrentandDeferredIncomeTaxDetailsScheduleofIncomeTaxProvisionTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfProvisionsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ClassesOfProvisionsAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_CurrentandDeferredIncomeTaxDetailsScheduleofIncomeTaxProvisionTable" xlink:to="ifrs-full_ClassesOfProvisionsAxis" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_OtherProvisionsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_OtherProvisionsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_ClassesOfProvisionsAxis" xlink:to="ifrs-full_OtherProvisionsMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_OtherProvisionsMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_OtherProvisionsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_ClassesOfProvisionsAxis" xlink:to="ifrs-full_OtherProvisionsMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ProvisionForTaxesOtherThanIncomeTaxMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ProvisionForTaxesOtherThanIncomeTaxMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_OtherProvisionsMember" xlink:to="ifrs-full_ProvisionForTaxesOtherThanIncomeTaxMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ProfitLossBeforeTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ProfitLossBeforeTax"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_CurrentandDeferredIncomeTaxDetailsScheduleofIncomeTaxProvisionLineItems" xlink:to="ifrs-full_ProfitLossBeforeTax" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ApplicableTaxRate" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ApplicableTaxRate"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_CurrentandDeferredIncomeTaxDetailsScheduleofIncomeTaxProvisionLineItems" xlink:to="ifrs-full_ApplicableTaxRate" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ExpectedIncomeTaxExpenserecovery" xlink:href="cve-20231231.xsd#cve_ExpectedIncomeTaxExpenserecovery"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_CurrentandDeferredIncomeTaxDetailsScheduleofIncomeTaxProvisionLineItems" xlink:to="cve_ExpectedIncomeTaxExpenserecovery" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_IncreaseDecreaseResultingFromAbstract" xlink:href="cve-20231231.xsd#cve_IncreaseDecreaseResultingFromAbstract"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_CurrentandDeferredIncomeTaxDetailsScheduleofIncomeTaxProvisionLineItems" xlink:to="cve_IncreaseDecreaseResultingFromAbstract" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ChangeInUnrecognizedTemporaryDifferences" xlink:href="cve-20231231.xsd#cve_ChangeInUnrecognizedTemporaryDifferences"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_IncreaseDecreaseResultingFromAbstract" xlink:to="cve_ChangeInUnrecognizedTemporaryDifferences" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_IncreaseDecreaseResultingFromAbstract" xlink:to="ifrs-full_TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_TaxEffectFromChangeInTaxRate" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_TaxEffectFromChangeInTaxRate"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_IncreaseDecreaseResultingFromAbstract" xlink:to="ifrs-full_TaxEffectFromChangeInTaxRate" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_TaxEffectOfForeignTaxRates" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_TaxEffectOfForeignTaxRates"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_IncreaseDecreaseResultingFromAbstract" xlink:to="ifrs-full_TaxEffectOfForeignTaxRates" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ShareIssueCosts" xlink:href="cve-20231231.xsd#cve_ShareIssueCosts"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_IncreaseDecreaseResultingFromAbstract" xlink:to="cve_ShareIssueCosts" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AdjustmentsForCurrentTaxOfPriorPeriod" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AdjustmentsForCurrentTaxOfPriorPeriod"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_IncreaseDecreaseResultingFromAbstract" xlink:to="ifrs-full_AdjustmentsForCurrentTaxOfPriorPeriod" order="5" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_CurrentandDeferredIncomeTaxDetailsScheduleofIncomeTaxProvisionLineItems" xlink:to="ifrs-full_IncomeTaxExpenseContinuingOperations" order="5" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ScheduleofDeferredTaxLiabilitiesTable">
<loc xlink:type="locator" xlink:label="cve_ScheduleOfDeferredTaxLiabilitiesAbstract" xlink:href="cve-20231231.xsd#cve_ScheduleOfDeferredTaxLiabilitiesAbstract"/>
<loc xlink:type="locator" xlink:label="ifrs-full_OtherIntangibleAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_OtherIntangibleAssets"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfDeferredTaxLiabilitiesAbstract" xlink:to="ifrs-full_OtherIntangibleAssets" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_RightofuseAssetsRevaluedAssetsAtCost" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RightofuseAssetsRevaluedAssetsAtCost"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfDeferredTaxLiabilitiesAbstract" xlink:to="ifrs-full_RightofuseAssetsRevaluedAssetsAtCost" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_FixedAssets" xlink:href="cve-20231231.xsd#cve_FixedAssets"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfDeferredTaxLiabilitiesAbstract" xlink:to="cve_FixedAssets" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_IssuanceOfConvertibleInstrument" xlink:href="cve-20231231.xsd#cve_IssuanceOfConvertibleInstrument"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfDeferredTaxLiabilitiesAbstract" xlink:to="cve_IssuanceOfConvertibleInstrument" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_MarketableSecurity" xlink:href="cve-20231231.xsd#cve_MarketableSecurity"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfDeferredTaxLiabilitiesAbstract" xlink:to="cve_MarketableSecurity" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DeferredTaxLiabilitiesRecognisedAsOfAcquisitionDate" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DeferredTaxLiabilitiesRecognisedAsOfAcquisitionDate"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfDeferredTaxLiabilitiesAbstract" xlink:to="ifrs-full_DeferredTaxLiabilitiesRecognisedAsOfAcquisitionDate" order="5" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_SetoffOfTax" xlink:href="cve-20231231.xsd#cve_SetoffOfTax"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfDeferredTaxLiabilitiesAbstract" xlink:to="cve_SetoffOfTax" order="6" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_NetDeferredTaxAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NetDeferredTaxAssets"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfDeferredTaxLiabilitiesAbstract" xlink:to="ifrs-full_NetDeferredTaxAssets" order="7" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ScheduleofUnrecognizedDeferredTaxAssetsTable">
<loc xlink:type="locator" xlink:label="cve_ScheduleOfUnrecognizedDeferredTaxAssetsAbstract" xlink:href="cve-20231231.xsd#cve_ScheduleOfUnrecognizedDeferredTaxAssetsAbstract"/>
<loc xlink:type="locator" xlink:label="cve_DeductibleTemporaryDifferences" xlink:href="cve-20231231.xsd#cve_DeductibleTemporaryDifferences"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfUnrecognizedDeferredTaxAssetsAbstract" xlink:to="cve_DeductibleTemporaryDifferences" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_TaxEffectOfTaxLosses" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_TaxEffectOfTaxLosses"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfUnrecognizedDeferredTaxAssetsAbstract" xlink:to="ifrs-full_TaxEffectOfTaxLosses" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ProfitLossBeforeTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ProfitLossBeforeTax"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ScheduleOfUnrecognizedDeferredTaxAssetsAbstract" xlink:to="ifrs-full_ProfitLossBeforeTax" order="2" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/MaterialAccountingPolicyInformationDetails">
<loc xlink:type="locator" xlink:label="ifrs-full_CorporateInformationAndStatementOfIFRSComplianceAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CorporateInformationAndStatementOfIFRSComplianceAbstract"/>
<loc xlink:type="locator" xlink:label="ifrs-full_PercentageOfVotingEquityInterestsAcquired" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_PercentageOfVotingEquityInterestsAcquired"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_CorporateInformationAndStatementOfIFRSComplianceAbstract" xlink:to="ifrs-full_PercentageOfVotingEquityInterestsAcquired" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DepositsFromBanks" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DepositsFromBanks"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_CorporateInformationAndStatementOfIFRSComplianceAbstract" xlink:to="ifrs-full_DepositsFromBanks" order="1" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/UraniumContractsDetails">
<loc xlink:type="locator" xlink:label="cve_UraniumContractsDetailsLineItems" xlink:href="cve-20231231.xsd#cve_UraniumContractsDetailsLineItems"/>
<loc xlink:type="locator" xlink:label="cve_UraniumContractsDetailsTable" xlink:href="cve-20231231.xsd#cve_UraniumContractsDetailsTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="cve_UraniumContractsDetailsLineItems" xlink:to="cve_UraniumContractsDetailsTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ClassesOfFinancialInstrumentsAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_UraniumContractsDetailsTable" xlink:to="ifrs-full_ClassesOfFinancialInstrumentsAxis" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfFinancialInstrumentsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ClassesOfFinancialInstrumentsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:to="ifrs-full_ClassesOfFinancialInstrumentsMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfFinancialInstrumentsMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ClassesOfFinancialInstrumentsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:to="ifrs-full_ClassesOfFinancialInstrumentsMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_UraniumContractsDetailsTable" xlink:to="ifrs-full_GeographicalAreasAxis" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_GeographicalAreasAxis" xlink:to="ifrs-full_GeographicalAreasMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_GeographicalAreasAxis" xlink:to="ifrs-full_GeographicalAreasMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_LoanAgreementsMember" xlink:href="cve-20231231.xsd#cve_LoanAgreementsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ClassesOfFinancialInstrumentsMember" xlink:to="cve_LoanAgreementsMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_BossEnergysMember" xlink:href="cve-20231231.xsd#cve_BossEnergysMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_BossEnergysMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_SaleOfPhysicalUranium" xlink:href="cve-20231231.xsd#cve_SaleOfPhysicalUranium"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_UraniumContractsDetailsLineItems" xlink:to="cve_SaleOfPhysicalUranium" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_GrossProceeds" xlink:href="cve-20231231.xsd#cve_GrossProceeds"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_UraniumContractsDetailsLineItems" xlink:to="cve_GrossProceeds" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GainsOnDisposalsOfInvestments" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GainsOnDisposalsOfInvestments"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_UraniumContractsDetailsLineItems" xlink:to="ifrs-full_GainsOnDisposalsOfInvestments" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_PurchaseAgreementsAmount" xlink:href="cve-20231231.xsd#cve_PurchaseAgreementsAmount"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_UraniumContractsDetailsLineItems" xlink:to="cve_PurchaseAgreementsAmount" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_DepositOfConsideration" xlink:href="cve-20231231.xsd#cve_DepositOfConsideration"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_UraniumContractsDetailsLineItems" xlink:to="cve_DepositOfConsideration" order="5" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ConsiderationPershare" xlink:href="cve-20231231.xsd#cve_ConsiderationPershare"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_UraniumContractsDetailsLineItems" xlink:to="cve_ConsiderationPershare" order="6" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_InitialPayment" xlink:href="cve-20231231.xsd#cve_InitialPayment"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_UraniumContractsDetailsLineItems" xlink:to="cve_InitialPayment" order="7" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_InvestmentAmount" xlink:href="cve-20231231.xsd#cve_InvestmentAmount"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_UraniumContractsDetailsLineItems" xlink:to="cve_InvestmentAmount" order="8" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_SalesContractsTrem" xlink:href="cve-20231231.xsd#cve_SalesContractsTrem"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_UraniumContractsDetailsLineItems" xlink:to="cve_SalesContractsTrem" order="9" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_BearInterest" xlink:href="cve-20231231.xsd#cve_BearInterest"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_UraniumContractsDetailsLineItems" xlink:to="cve_BearInterest" order="10" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/MarketableSecuritiesDetails">
<loc xlink:type="locator" xlink:label="cve_MarketableSecuritiesDetailsLineItems" xlink:href="cve-20231231.xsd#cve_MarketableSecuritiesDetailsLineItems"/>
<loc xlink:type="locator" xlink:label="cve_MarketableSecuritiesDetailsTable" xlink:href="cve-20231231.xsd#cve_MarketableSecuritiesDetailsTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="cve_MarketableSecuritiesDetailsLineItems" xlink:to="cve_MarketableSecuritiesDetailsTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_MarketableSecuritiesDetailsTable" xlink:to="ifrs-full_GeographicalAreasAxis" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_GeographicalAreasAxis" xlink:to="ifrs-full_GeographicalAreasMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_GeographicalAreasAxis" xlink:to="ifrs-full_GeographicalAreasMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_MarketableSecuritiesMember" xlink:href="cve-20231231.xsd#cve_MarketableSecuritiesMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_MarketableSecuritiesMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_NuclearFuelsIncMember" xlink:href="cve-20231231.xsd#cve_NuclearFuelsIncMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_NuclearFuelsIncMember" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_NeutronEnergyIncMember" xlink:href="cve-20231231.xsd#cve_NeutronEnergyIncMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_NeutronEnergyIncMember" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_CommonShares" xlink:href="cve-20231231.xsd#cve_CommonShares"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MarketableSecuritiesDetailsLineItems" xlink:to="cve_CommonShares" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_MarketValuePerShare" xlink:href="cve-20231231.xsd#cve_MarketValuePerShare"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MarketableSecuritiesDetailsLineItems" xlink:to="cve_MarketValuePerShare" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_NumberOfSharesIssuedAndFullyPaid" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NumberOfSharesIssuedAndFullyPaid"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MarketableSecuritiesDetailsLineItems" xlink:to="ifrs-full_NumberOfSharesIssuedAndFullyPaid" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ConvertedShares" xlink:href="cve-20231231.xsd#cve_ConvertedShares"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MarketableSecuritiesDetailsLineItems" xlink:to="cve_ConvertedShares" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_FinanceCosts" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_FinanceCosts"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MarketableSecuritiesDetailsLineItems" xlink:to="ifrs-full_FinanceCosts" order="5" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_FinancialLiabilitiesAtFairValue" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_FinancialLiabilitiesAtFairValue"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MarketableSecuritiesDetailsLineItems" xlink:to="ifrs-full_FinancialLiabilitiesAtFairValue" order="6" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ParValuePerShare" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ParValuePerShare"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MarketableSecuritiesDetailsLineItems" xlink:to="ifrs-full_ParValuePerShare" order="7" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_PrimeFuelsConsiderationPercentage" xlink:href="cve-20231231.xsd#cve_PrimeFuelsConsiderationPercentage"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MarketableSecuritiesDetailsLineItems" xlink:to="cve_PrimeFuelsConsiderationPercentage" order="8" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AssetbackedSecuritiesPercentageContributedToFairValueOfPlanAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AssetbackedSecuritiesPercentageContributedToFairValueOfPlanAssets"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MarketableSecuritiesDetailsLineItems" xlink:to="ifrs-full_AssetbackedSecuritiesPercentageContributedToFairValueOfPlanAssets" order="9" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_NumberOfSharesAuthorized" xlink:href="cve-20231231.xsd#cve_NumberOfSharesAuthorized"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MarketableSecuritiesDetailsLineItems" xlink:to="cve_NumberOfSharesAuthorized" order="10" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_SharesAggregateOwnership" xlink:href="cve-20231231.xsd#cve_SharesAggregateOwnership"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MarketableSecuritiesDetailsLineItems" xlink:to="cve_SharesAggregateOwnership" order="11" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_SharesInEntityHeldByEntityOrByItsSubsidiariesOrAssociates" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_SharesInEntityHeldByEntityOrByItsSubsidiariesOrAssociates"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MarketableSecuritiesDetailsLineItems" xlink:to="ifrs-full_SharesInEntityHeldByEntityOrByItsSubsidiariesOrAssociates" order="12" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_FairValueShares" xlink:href="cve-20231231.xsd#cve_FairValueShares"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MarketableSecuritiesDetailsLineItems" xlink:to="cve_FairValueShares" order="13" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ConsiderationReceived" xlink:href="cve-20231231.xsd#cve_ConsiderationReceived"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MarketableSecuritiesDetailsLineItems" xlink:to="cve_ConsiderationReceived" order="14" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/IntangibleAssetsDetails">
<loc xlink:type="locator" xlink:label="cve_IntangibleAssetsDetailsLineItems" xlink:href="cve-20231231.xsd#cve_IntangibleAssetsDetailsLineItems"/>
<loc xlink:type="locator" xlink:label="cve_IntangibleAssetsDetailsTable" xlink:href="cve-20231231.xsd#cve_IntangibleAssetsDetailsTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="cve_IntangibleAssetsDetailsLineItems" xlink:to="cve_IntangibleAssetsDetailsTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_IntangibleAssetsDetailsTable" xlink:to="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwillMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:to="ifrs-full_IntangibleAssetsOtherThanGoodwillMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwillMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwillMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:to="ifrs-full_IntangibleAssetsOtherThanGoodwillMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_IntangibleAssetsDetailsTable" xlink:to="ifrs-full_GeographicalAreasAxis" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_GeographicalAreasAxis" xlink:to="ifrs-full_GeographicalAreasMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_GeographicalAreasAxis" xlink:to="ifrs-full_GeographicalAreasMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_WestwaterResourcesIncMember" xlink:href="cve-20231231.xsd#cve_WestwaterResourcesIncMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_WestwaterResourcesIncMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_VANEAgreementMember" xlink:href="cve-20231231.xsd#cve_VANEAgreementMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:to="cve_VANEAgreementMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_NumberOfSharesAuthorised" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NumberOfSharesAuthorised"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_IntangibleAssetsDetailsLineItems" xlink:to="ifrs-full_NumberOfSharesAuthorised" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_FairValueOfAcquiredReceivables" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_FairValueOfAcquiredReceivables"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_IntangibleAssetsDetailsLineItems" xlink:to="ifrs-full_FairValueOfAcquiredReceivables" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AcquisitionsThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AcquisitionsThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_IntangibleAssetsDetailsLineItems" xlink:to="ifrs-full_AcquisitionsThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" order="3" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/RightofUseAssetsandLeaseLiabilityDetails">
<loc xlink:type="locator" xlink:label="cve_RightofUseAssetsandLeaseLiabilityDetailsLineItems" xlink:href="cve-20231231.xsd#cve_RightofUseAssetsandLeaseLiabilityDetailsLineItems"/>
<loc xlink:type="locator" xlink:label="cve_RightofUseAssetsandLeaseLiabilityDetailsTable" xlink:href="cve-20231231.xsd#cve_RightofUseAssetsandLeaseLiabilityDetailsTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="cve_RightofUseAssetsandLeaseLiabilityDetailsLineItems" xlink:to="cve_RightofUseAssetsandLeaseLiabilityDetailsTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_RightofUseAssetsandLeaseLiabilityDetailsTable" xlink:to="ifrs-full_GeographicalAreasAxis" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_GeographicalAreasAxis" xlink:to="ifrs-full_GeographicalAreasMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_GeographicalAreasAxis" xlink:to="ifrs-full_GeographicalAreasMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_CorpusChristiTexasMember" xlink:href="cve-20231231.xsd#cve_CorpusChristiTexasMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_CorpusChristiTexasMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_DallasTexasMember" xlink:href="cve-20231231.xsd#cve_DallasTexasMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_DallasTexasMember" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_LeasePayment" xlink:href="cve-20231231.xsd#cve_LeasePayment"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_RightofUseAssetsandLeaseLiabilityDetailsLineItems" xlink:to="cve_LeasePayment" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_CorrespondingLeaseObligation" xlink:href="cve-20231231.xsd#cve_CorrespondingLeaseObligation"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_RightofUseAssetsandLeaseLiabilityDetailsLineItems" xlink:to="cve_CorrespondingLeaseObligation" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_BorrowingsInterestRate" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_BorrowingsInterestRate"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_RightofUseAssetsandLeaseLiabilityDetailsLineItems" xlink:to="ifrs-full_BorrowingsInterestRate" order="3" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/AssetAcquisitionDetails">
<loc xlink:type="locator" xlink:label="cve_AssetAcquisitionDetailsLineItems" xlink:href="cve-20231231.xsd#cve_AssetAcquisitionDetailsLineItems"/>
<loc xlink:type="locator" xlink:label="cve_AssetAcquisitionDetailsTable" xlink:href="cve-20231231.xsd#cve_AssetAcquisitionDetailsTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="cve_AssetAcquisitionDetailsLineItems" xlink:to="cve_AssetAcquisitionDetailsTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfAssetsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ClassesOfAssetsAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_AssetAcquisitionDetailsTable" xlink:to="ifrs-full_ClassesOfAssetsAxis" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfAssetsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ClassesOfAssetsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_ClassesOfAssetsAxis" xlink:to="ifrs-full_ClassesOfAssetsMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfAssetsMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ClassesOfAssetsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_ClassesOfAssetsAxis" xlink:to="ifrs-full_ClassesOfAssetsMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ReplacementOptionsMember" xlink:href="cve-20231231.xsd#cve_ReplacementOptionsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ClassesOfAssetsMember" xlink:to="cve_ReplacementOptionsMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ConvertiblePromissoryNoteMember" xlink:href="cve-20231231.xsd#cve_ConvertiblePromissoryNoteMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ClassesOfAssetsMember" xlink:to="cve_ConvertiblePromissoryNoteMember" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_AssetAcquisitionDetailsLineItems" xlink:to="ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_CashOnHand" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CashOnHand"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_AssetAcquisitionDetailsLineItems" xlink:to="ifrs-full_CashOnHand" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_NumberOfSharesIssued" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NumberOfSharesIssued"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_AssetAcquisitionDetailsLineItems" xlink:to="ifrs-full_NumberOfSharesIssued" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_IssuesFairValueMeasurementAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_IssuesFairValueMeasurementAssets"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_AssetAcquisitionDetailsLineItems" xlink:to="ifrs-full_IssuesFairValueMeasurementAssets" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_TransactionCost" xlink:href="cve-20231231.xsd#cve_TransactionCost"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_AssetAcquisitionDetailsLineItems" xlink:to="cve_TransactionCost" order="5" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/MineralPropertiesDetails">
<loc xlink:type="locator" xlink:label="cve_MineralPropertiesDetailsLineItems" xlink:href="cve-20231231.xsd#cve_MineralPropertiesDetailsLineItems"/>
<loc xlink:type="locator" xlink:label="cve_MineralPropertiesDetailsTable" xlink:href="cve-20231231.xsd#cve_MineralPropertiesDetailsTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="cve_MineralPropertiesDetailsLineItems" xlink:to="cve_MineralPropertiesDetailsTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_MineralPropertiesDetailsTable" xlink:to="ifrs-full_GeographicalAreasAxis" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_GeographicalAreasAxis" xlink:to="ifrs-full_GeographicalAreasMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_GeographicalAreasAxis" xlink:to="ifrs-full_GeographicalAreasMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_RangeAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RangeAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_MineralPropertiesDetailsTable" xlink:to="ifrs-full_RangeAxis" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_RangesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RangesMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_RangeAxis" xlink:to="ifrs-full_RangesMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_RangesMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RangesMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_RangeAxis" xlink:to="ifrs-full_RangesMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfLiabilitiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ClassesOfLiabilitiesAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_MineralPropertiesDetailsTable" xlink:to="ifrs-full_ClassesOfLiabilitiesAxis" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_LiabilitiesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_LiabilitiesMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_ClassesOfLiabilitiesAxis" xlink:to="ifrs-full_LiabilitiesMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_LiabilitiesMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_LiabilitiesMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_ClassesOfLiabilitiesAxis" xlink:to="ifrs-full_LiabilitiesMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_NFIMember" xlink:href="cve-20231231.xsd#cve_NFIMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_NFIMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="country_MX" xlink:href="https://xbrl.sec.gov/country/2023/country-2023.xsd#country_MX"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="country_MX" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_NewMexicoPropertiesMember" xlink:href="cve-20231231.xsd#cve_NewMexicoPropertiesMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_NewMexicoPropertiesMember" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_AltaMesaProjectMember" xlink:href="cve-20231231.xsd#cve_AltaMesaProjectMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_AltaMesaProjectMember" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_BottomOfRangeMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_BottomOfRangeMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_RangesMember" xlink:to="ifrs-full_BottomOfRangeMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_TopOfRangeMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_TopOfRangeMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_RangesMember" xlink:to="ifrs-full_TopOfRangeMember" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ContingentConsiderationMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ContingentConsiderationMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_LiabilitiesMember" xlink:to="ifrs-full_ContingentConsiderationMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_McKinleyMember" xlink:href="cve-20231231.xsd#cve_McKinleyMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_LiabilitiesMember" xlink:to="cve_McKinleyMember" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_CrownpointMember" xlink:href="cve-20231231.xsd#cve_CrownpointMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_LiabilitiesMember" xlink:to="cve_CrownpointMember" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_HostaButteMember" xlink:href="cve-20231231.xsd#cve_HostaButteMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_LiabilitiesMember" xlink:to="cve_HostaButteMember" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_BossEnergyLtdMember" xlink:href="cve-20231231.xsd#cve_BossEnergyLtdMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_LiabilitiesMember" xlink:to="cve_BossEnergyLtdMember" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_NumberOfSharesIssued" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NumberOfSharesIssued"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MineralPropertiesDetailsLineItems" xlink:to="ifrs-full_NumberOfSharesIssued" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_FairValueAmount" xlink:href="cve-20231231.xsd#cve_FairValueAmount"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MineralPropertiesDetailsLineItems" xlink:to="cve_FairValueAmount" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_InvestmentsInSubsidiaries" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_InvestmentsInSubsidiaries"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MineralPropertiesDetailsLineItems" xlink:to="ifrs-full_InvestmentsInSubsidiaries" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GainsLossesRecognisedWhenControlInSubsidiaryIsLost" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GainsLossesRecognisedWhenControlInSubsidiaryIsLost"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MineralPropertiesDetailsLineItems" xlink:to="ifrs-full_GainsLossesRecognisedWhenControlInSubsidiaryIsLost" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_LongtermDeposits" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_LongtermDeposits"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MineralPropertiesDetailsLineItems" xlink:to="ifrs-full_LongtermDeposits" order="5" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ConsiderationPaidReceived" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ConsiderationPaidReceived"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MineralPropertiesDetailsLineItems" xlink:to="ifrs-full_ConsiderationPaidReceived" order="6" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ContingentConsiderationRecognisedAsOfAcquisitionDate" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ContingentConsiderationRecognisedAsOfAcquisitionDate"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MineralPropertiesDetailsLineItems" xlink:to="ifrs-full_ContingentConsiderationRecognisedAsOfAcquisitionDate" order="7" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_FinancialAssetsAtFairValue" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_FinancialAssetsAtFairValue"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MineralPropertiesDetailsLineItems" xlink:to="ifrs-full_FinancialAssetsAtFairValue" order="8" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MineralPropertiesDetailsLineItems" xlink:to="ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners" order="9" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_GainOnDisposalOfSubsidiary" xlink:href="cve-20231231.xsd#cve_GainOnDisposalOfSubsidiary"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MineralPropertiesDetailsLineItems" xlink:to="cve_GainOnDisposalOfSubsidiary" order="10" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_InterestCostsIncurred" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_InterestCostsIncurred"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MineralPropertiesDetailsLineItems" xlink:to="ifrs-full_InterestCostsIncurred" order="11" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_InvestmentInterestRates" xlink:href="cve-20231231.xsd#cve_InvestmentInterestRates"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MineralPropertiesDetailsLineItems" xlink:to="cve_InvestmentInterestRates" order="12" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_InterestRateHold" xlink:href="cve-20231231.xsd#cve_InterestRateHold"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MineralPropertiesDetailsLineItems" xlink:to="cve_InterestRateHold" order="13" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_RoyaltyIncomeRate" xlink:href="cve-20231231.xsd#cve_RoyaltyIncomeRate"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MineralPropertiesDetailsLineItems" xlink:to="cve_RoyaltyIncomeRate" order="14" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_DisposalOfTheMineralInterests" xlink:href="cve-20231231.xsd#cve_DisposalOfTheMineralInterests"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MineralPropertiesDetailsLineItems" xlink:to="cve_DisposalOfTheMineralInterests" order="15" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_AdditionalPayment" xlink:href="cve-20231231.xsd#cve_AdditionalPayment"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MineralPropertiesDetailsLineItems" xlink:to="cve_AdditionalPayment" order="16" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GainsOnDisposalsOfInvestments" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GainsOnDisposalsOfInvestments"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MineralPropertiesDetailsLineItems" xlink:to="ifrs-full_GainsOnDisposalsOfInvestments" order="17" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_PropertyPlantAndEquipmentCarryingAmountOfRevaluedAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_PropertyPlantAndEquipmentCarryingAmountOfRevaluedAssets"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MineralPropertiesDetailsLineItems" xlink:to="ifrs-full_PropertyPlantAndEquipmentCarryingAmountOfRevaluedAssets" order="18" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AmountByWhichUnitsRecoverableAmountExceedsItsCarryingAmount" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AmountByWhichUnitsRecoverableAmountExceedsItsCarryingAmount"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MineralPropertiesDetailsLineItems" xlink:to="ifrs-full_AmountByWhichUnitsRecoverableAmountExceedsItsCarryingAmount" order="19" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ImpairmentLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ImpairmentLoss"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MineralPropertiesDetailsLineItems" xlink:to="ifrs-full_ImpairmentLoss" order="20" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_TransactionInterestPercentage" xlink:href="cve-20231231.xsd#cve_TransactionInterestPercentage"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MineralPropertiesDetailsLineItems" xlink:to="cve_TransactionInterestPercentage" order="21" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_PercentageOfVotingEquityInterestsAcquired" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_PercentageOfVotingEquityInterestsAcquired"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_MineralPropertiesDetailsLineItems" xlink:to="ifrs-full_PercentageOfVotingEquityInterestsAcquired" order="22" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/MiningPropertiesDetails">
<loc xlink:type="locator" xlink:label="cve_DisclosureOfMiningPropertiesAbstract" xlink:href="cve-20231231.xsd#cve_DisclosureOfMiningPropertiesAbstract"/>
<loc xlink:type="locator" xlink:label="cve_ImpairmentOfMiningPropertyPercentage" xlink:href="cve-20231231.xsd#cve_ImpairmentOfMiningPropertyPercentage"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_DisclosureOfMiningPropertiesAbstract" xlink:to="cve_ImpairmentOfMiningPropertyPercentage" order="0" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/AssetRetirementObligationsDetails">
<loc xlink:type="locator" xlink:label="cve_AssetRetirementObligationsAbstract" xlink:href="cve-20231231.xsd#cve_AssetRetirementObligationsAbstract"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ActuarialAssumptionOfExpectedRatesOfInflation" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ActuarialAssumptionOfExpectedRatesOfInflation"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_AssetRetirementObligationsAbstract" xlink:to="ifrs-full_ActuarialAssumptionOfExpectedRatesOfInflation" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_AssetRetirementObligationsAbstract" xlink:to="ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_UndiscountedCashFlows" xlink:href="cve-20231231.xsd#cve_UndiscountedCashFlows"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_AssetRetirementObligationsAbstract" xlink:to="cve_UndiscountedCashFlows" order="2" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/ShareCapitalDetails">
<loc xlink:type="locator" xlink:label="cve_ShareCapitalDetailsLineItems" xlink:href="cve-20231231.xsd#cve_ShareCapitalDetailsLineItems"/>
<loc xlink:type="locator" xlink:label="cve_ShareCapitalDetailsTable" xlink:href="cve-20231231.xsd#cve_ShareCapitalDetailsTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="cve_ShareCapitalDetailsTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ComponentsOfEquityAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ComponentsOfEquityAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_ShareCapitalDetailsTable" xlink:to="ifrs-full_ComponentsOfEquityAxis" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_EquityMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_EquityMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_ComponentsOfEquityAxis" xlink:to="ifrs-full_EquityMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_EquityMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_EquityMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_ComponentsOfEquityAxis" xlink:to="ifrs-full_EquityMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="srt_StatementScenarioAxis" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_StatementScenarioAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_ShareCapitalDetailsTable" xlink:to="srt_StatementScenarioAxis" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="srt_ScenarioUnspecifiedDomain" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ScenarioUnspecifiedDomain"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="srt_StatementScenarioAxis" xlink:to="srt_ScenarioUnspecifiedDomain" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="srt_ScenarioUnspecifiedDomain_0" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ScenarioUnspecifiedDomain"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="srt_StatementScenarioAxis" xlink:to="srt_ScenarioUnspecifiedDomain_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_ShareCapitalDetailsTable" xlink:to="ifrs-full_GeographicalAreasAxis" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_GeographicalAreasAxis" xlink:to="ifrs-full_GeographicalAreasMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_GeographicalAreasAxis" xlink:to="ifrs-full_GeographicalAreasMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_ShareCapitalDetailsTable" xlink:to="ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ValuationTechniquesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ValuationTechniquesMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:to="ifrs-full_ValuationTechniquesMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ValuationTechniquesMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ValuationTechniquesMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:to="ifrs-full_ValuationTechniquesMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_OptionPricingModelMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_OptionPricingModelMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ValuationTechniquesMember" xlink:to="ifrs-full_OptionPricingModelMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_AtTheMarketMember" xlink:href="cve-20231231.xsd#cve_AtTheMarketMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ValuationTechniquesMember" xlink:to="cve_AtTheMarketMember" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_RelatedPartiesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RelatedPartiesMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="ifrs-full_RelatedPartiesMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="srt_ScenarioForecastMember" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ScenarioForecastMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="srt_ScenarioUnspecifiedDomain" xlink:to="srt_ScenarioForecastMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_WarrantsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_WarrantsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_EquityMember" xlink:to="ifrs-full_WarrantsMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_StockOptionsMember" xlink:href="cve-20231231.xsd#cve_StockOptionsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_EquityMember" xlink:to="cve_StockOptionsMember" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_SharesUnit" xlink:href="cve-20231231.xsd#cve_SharesUnit"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="cve_SharesUnit" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_PublicOfferingPricePerUnit" xlink:href="cve-20231231.xsd#cve_PublicOfferingPricePerUnit"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="cve_PublicOfferingPricePerUnit" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_GrossProceed" xlink:href="cve-20231231.xsd#cve_GrossProceed"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="cve_GrossProceed" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_CommonShare" xlink:href="cve-20231231.xsd#cve_CommonShare"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="cve_CommonShare" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_PurchaseWarrantShares" xlink:href="cve-20231231.xsd#cve_PurchaseWarrantShares"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="cve_PurchaseWarrantShares" order="5" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_PurchaseAdditionalShareWarrants" xlink:href="cve-20231231.xsd#cve_PurchaseAdditionalShareWarrants"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="cve_PurchaseAdditionalShareWarrants" order="6" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_PurchaseAdditionalSharePricePerWarrant" xlink:href="cve-20231231.xsd#cve_PurchaseAdditionalSharePricePerWarrant"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="cve_PurchaseAdditionalSharePricePerWarrant" order="7" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ReceiptsFromRoyaltiesFeesCommissionsAndOtherRevenue" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ReceiptsFromRoyaltiesFeesCommissionsAndOtherRevenue"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="ifrs-full_ReceiptsFromRoyaltiesFeesCommissionsAndOtherRevenue" order="8" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_CashIssuanceCosts" xlink:href="cve-20231231.xsd#cve_CashIssuanceCosts"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="cve_CashIssuanceCosts" order="9" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_SubscriptionReceiptsIssued" xlink:href="cve-20231231.xsd#cve_SubscriptionReceiptsIssued"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="cve_SubscriptionReceiptsIssued" order="10" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_SubscriptionReceipts" xlink:href="cve-20231231.xsd#cve_SubscriptionReceipts"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="cve_SubscriptionReceipts" order="11" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ShareIssued" xlink:href="cve-20231231.xsd#cve_ShareIssued"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="cve_ShareIssued" order="12" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_WarrantsOfFairValue" xlink:href="cve-20231231.xsd#cve_WarrantsOfFairValue"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="cve_WarrantsOfFairValue" order="13" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_WarrantExercisable" xlink:href="cve-20231231.xsd#cve_WarrantExercisable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="cve_WarrantExercisable" order="14" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_WarrantsExercisableOfCommonShare" xlink:href="cve-20231231.xsd#cve_WarrantsExercisableOfCommonShare"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="cve_WarrantsExercisableOfCommonShare" order="15" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_WarrantsExercisablePricePerShare" xlink:href="cve-20231231.xsd#cve_WarrantsExercisablePricePerShare"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="cve_WarrantsExercisablePricePerShare" order="16" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_CommonShareIssued" xlink:href="cve-20231231.xsd#cve_CommonShareIssued"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="cve_CommonShareIssued" order="17" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_EquityReclassifiedIntoFinancialLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_EquityReclassifiedIntoFinancialLiabilities"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="ifrs-full_EquityReclassifiedIntoFinancialLiabilities" order="18" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ShortFormBaseShelfProspectus" xlink:href="cve-20231231.xsd#cve_ShortFormBaseShelfProspectus"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="cve_ShortFormBaseShelfProspectus" order="19" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_CommonSharesSold" xlink:href="cve-20231231.xsd#cve_CommonSharesSold"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="cve_CommonSharesSold" order="20" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise2019" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise2019"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="ifrs-full_WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise2019" order="21" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_FinancialLiabilitiesReclassifiedIntoEquity" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_FinancialLiabilitiesReclassifiedIntoEquity"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="ifrs-full_FinancialLiabilitiesReclassifiedIntoEquity" order="22" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_CommonSharesOfSettlementAndCompensation" xlink:href="cve-20231231.xsd#cve_CommonSharesOfSettlementAndCompensation"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="cve_CommonSharesOfSettlementAndCompensation" order="23" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_NumberOfSharesReservedInsurancePercentage" xlink:href="cve-20231231.xsd#cve_NumberOfSharesReservedInsurancePercentage"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="cve_NumberOfSharesReservedInsurancePercentage" order="24" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_OptionsGrantedForMaximumYear" xlink:href="cve-20231231.xsd#cve_OptionsGrantedForMaximumYear"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="cve_OptionsGrantedForMaximumYear" order="25" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_AggregateOfGrantedShares" xlink:href="cve-20231231.xsd#cve_AggregateOfGrantedShares"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="cve_AggregateOfGrantedShares" order="26" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_FairValueOfGrantedOption" xlink:href="cve-20231231.xsd#cve_FairValueOfGrantedOption"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="cve_FairValueOfGrantedOption" order="27" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_StandardStockOptionVestingPercentage" xlink:href="cve-20231231.xsd#cve_StandardStockOptionVestingPercentage"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="cve_StandardStockOptionVestingPercentage" order="28" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_RecognizedStockOptionExpense" xlink:href="cve-20231231.xsd#cve_RecognizedStockOptionExpense"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="cve_RecognizedStockOptionExpense" order="29" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ClassOfWarrantsOutstanding" xlink:href="cve-20231231.xsd#cve_ClassOfWarrantsOutstanding"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="cve_ClassOfWarrantsOutstanding" order="30" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ExercisePriceOfWarrants" xlink:href="cve-20231231.xsd#cve_ExercisePriceOfWarrants"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="cve_ExercisePriceOfWarrants" order="31" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_WarrantsExercisableShare" xlink:href="cve-20231231.xsd#cve_WarrantsExercisableShare"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="cve_WarrantsExercisableShare" order="32" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_WarrantShare" xlink:href="cve-20231231.xsd#cve_WarrantShare"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="cve_WarrantShare" order="33" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_WarrantsExercisablePrice" xlink:href="cve-20231231.xsd#cve_WarrantsExercisablePrice"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="cve_WarrantsExercisablePrice" order="34" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_WarrantIsExercisableTerm" xlink:href="cve-20231231.xsd#cve_WarrantIsExercisableTerm"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="cve_WarrantIsExercisableTerm" order="35" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_DividendsReceived" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DividendsReceived"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="ifrs-full_DividendsReceived" order="36" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_PrincipalValueOfNote" xlink:href="cve-20231231.xsd#cve_PrincipalValueOfNote"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="cve_PrincipalValueOfNote" order="37" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_CommonSharesAtConversionPrice" xlink:href="cve-20231231.xsd#cve_CommonSharesAtConversionPrice"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="cve_CommonSharesAtConversionPrice" order="38" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_CommonShareInterestRate" xlink:href="cve-20231231.xsd#cve_CommonShareInterestRate"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="cve_CommonShareInterestRate" order="39" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_FairValueLiabilityDiscountRate" xlink:href="cve-20231231.xsd#cve_FairValueLiabilityDiscountRate"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_ShareCapitalDetailsLineItems" xlink:to="cve_FairValueLiabilityDiscountRate" order="40" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/RelatedPartyTransactionsandBalancesDetails">
<loc xlink:type="locator" xlink:label="cve_RelatedPartyTransactionsandBalancesDetailsLineItems" xlink:href="cve-20231231.xsd#cve_RelatedPartyTransactionsandBalancesDetailsLineItems"/>
<loc xlink:type="locator" xlink:label="cve_RelatedPartyTransactionsandBalancesDetailsTable" xlink:href="cve-20231231.xsd#cve_RelatedPartyTransactionsandBalancesDetailsTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="cve_RelatedPartyTransactionsandBalancesDetailsLineItems" xlink:to="cve_RelatedPartyTransactionsandBalancesDetailsTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_RelatedPartyTransactionsandBalancesDetailsTable" xlink:to="ifrs-full_GeographicalAreasAxis" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_GeographicalAreasAxis" xlink:to="ifrs-full_GeographicalAreasMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_GeographicalAreasAxis" xlink:to="ifrs-full_GeographicalAreasMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_TintinaHoldingsLtdMember" xlink:href="cve-20231231.xsd#cve_TintinaHoldingsLtdMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_TintinaHoldingsLtdMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_HovanVenturesLLCMember" xlink:href="cve-20231231.xsd#cve_HovanVenturesLLCMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_HovanVenturesLLCMember" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_PlatoroWestIncMember" xlink:href="cve-20231231.xsd#cve_PlatoroWestIncMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_PlatoroWestIncMember" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ConsultingFees" xlink:href="cve-20231231.xsd#cve_ConsultingFees"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_RelatedPartyTransactionsandBalancesDetailsLineItems" xlink:to="cve_ConsultingFees" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_FairValueAmount" xlink:href="cve-20231231.xsd#cve_FairValueAmount"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_RelatedPartyTransactionsandBalancesDetailsLineItems" xlink:to="cve_FairValueAmount" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_GrantedOptionsShares" xlink:href="cve-20231231.xsd#cve_GrantedOptionsShares"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_RelatedPartyTransactionsandBalancesDetailsLineItems" xlink:to="cve_GrantedOptionsShares" order="3" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/FinancialInstrumentsDetails">
<loc xlink:type="locator" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_DisclosureOfFinancialInstrumentsLineItems"/>
<loc xlink:type="locator" xlink:label="cve_FinancialInstrumentsDetailsTable" xlink:href="cve-20231231.xsd#cve_FinancialInstrumentsDetailsTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:to="cve_FinancialInstrumentsDetailsTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ForeignExchangeRate" xlink:href="cve-20231231.xsd#cve_ForeignExchangeRate"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:to="cve_ForeignExchangeRate" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_NotionalAmount" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NotionalAmount"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:to="ifrs-full_NotionalAmount" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_TaxRateEffectFromChangeInTaxRate" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_TaxRateEffectFromChangeInTaxRate"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:to="ifrs-full_TaxRateEffectFromChangeInTaxRate" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ImpactedLoss" xlink:href="cve-20231231.xsd#cve_ImpactedLoss"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:to="cve_ImpactedLoss" order="4" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/CurrentandDeferredIncomeTaxDetails">
<loc xlink:type="locator" xlink:label="cve_CurrentandDeferredIncomeTaxDetailsLineItems" xlink:href="cve-20231231.xsd#cve_CurrentandDeferredIncomeTaxDetailsLineItems"/>
<loc xlink:type="locator" xlink:label="cve_CurrentandDeferredIncomeTaxDetailsTable" xlink:href="cve-20231231.xsd#cve_CurrentandDeferredIncomeTaxDetailsTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="cve_CurrentandDeferredIncomeTaxDetailsLineItems" xlink:to="cve_CurrentandDeferredIncomeTaxDetailsTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_IncomeTaxPeriodAxis" xlink:href="cve-20231231.xsd#cve_IncomeTaxPeriodAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_CurrentandDeferredIncomeTaxDetailsTable" xlink:to="cve_IncomeTaxPeriodAxis" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_IncomeTaxPeriodDomainDomain" xlink:href="cve-20231231.xsd#cve_IncomeTaxPeriodDomainDomain"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="cve_IncomeTaxPeriodAxis" xlink:to="cve_IncomeTaxPeriodDomainDomain" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_IncomeTaxPeriodDomainDomain_0" xlink:href="cve-20231231.xsd#cve_IncomeTaxPeriodDomainDomain"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="cve_IncomeTaxPeriodAxis" xlink:to="cve_IncomeTaxPeriodDomainDomain_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_TaxYear2037Member" xlink:href="cve-20231231.xsd#cve_TaxYear2037Member"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_IncomeTaxPeriodDomainDomain" xlink:to="cve_TaxYear2037Member" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_NonCapitalLossCarryforwards" xlink:href="cve-20231231.xsd#cve_NonCapitalLossCarryforwards"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_CurrentandDeferredIncomeTaxDetailsLineItems" xlink:to="cve_NonCapitalLossCarryforwards" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_NetOperatingLossCarryforwards" xlink:href="cve-20231231.xsd#cve_NetOperatingLossCarryforwards"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_CurrentandDeferredIncomeTaxDetailsLineItems" xlink:to="cve_NetOperatingLossCarryforwards" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_CarriedForward" xlink:href="cve-20231231.xsd#cve_CarriedForward"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_CurrentandDeferredIncomeTaxDetailsLineItems" xlink:to="cve_CarriedForward" order="3" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/EventsAftertheReportingPeriodDetails">
<loc xlink:type="locator" xlink:label="cve_EventsAftertheReportingPeriodDetailsLineItems" xlink:href="cve-20231231.xsd#cve_EventsAftertheReportingPeriodDetailsLineItems"/>
<loc xlink:type="locator" xlink:label="cve_EventsAftertheReportingPeriodDetailsTable" xlink:href="cve-20231231.xsd#cve_EventsAftertheReportingPeriodDetailsTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="cve_EventsAftertheReportingPeriodDetailsLineItems" xlink:to="cve_EventsAftertheReportingPeriodDetailsTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfFinancialAssetsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ClassesOfFinancialAssetsAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_EventsAftertheReportingPeriodDetailsTable" xlink:to="ifrs-full_ClassesOfFinancialAssetsAxis" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_FinancialAssetsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_FinancialAssetsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_ClassesOfFinancialAssetsAxis" xlink:to="ifrs-full_FinancialAssetsMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_FinancialAssetsMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_FinancialAssetsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_ClassesOfFinancialAssetsAxis" xlink:to="ifrs-full_FinancialAssetsMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_TypesOfAntidilutiveInstrumentsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_TypesOfAntidilutiveInstrumentsAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_EventsAftertheReportingPeriodDetailsTable" xlink:to="ifrs-full_TypesOfAntidilutiveInstrumentsAxis" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AntidilutiveInstrumentsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AntidilutiveInstrumentsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_TypesOfAntidilutiveInstrumentsAxis" xlink:to="ifrs-full_AntidilutiveInstrumentsMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_AntidilutiveInstrumentsMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_AntidilutiveInstrumentsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_TypesOfAntidilutiveInstrumentsAxis" xlink:to="ifrs-full_AntidilutiveInstrumentsMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_EventsAftertheReportingPeriodDetailsTable" xlink:to="ifrs-full_GeographicalAreasAxis" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_GeographicalAreasAxis" xlink:to="ifrs-full_GeographicalAreasMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_GeographicalAreasMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_GeographicalAreasMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_GeographicalAreasAxis" xlink:to="ifrs-full_GeographicalAreasMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_RangeAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RangeAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_EventsAftertheReportingPeriodDetailsTable" xlink:to="ifrs-full_RangeAxis" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_RangesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RangesMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_RangeAxis" xlink:to="ifrs-full_RangesMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_RangesMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RangesMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_RangeAxis" xlink:to="ifrs-full_RangesMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfAssetsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ClassesOfAssetsAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="cve_EventsAftertheReportingPeriodDetailsTable" xlink:to="ifrs-full_ClassesOfAssetsAxis" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfAssetsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ClassesOfAssetsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="ifrs-full_ClassesOfAssetsAxis" xlink:to="ifrs-full_ClassesOfAssetsMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ClassesOfAssetsMember_0" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ClassesOfAssetsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ifrs-full_ClassesOfAssetsAxis" xlink:to="ifrs-full_ClassesOfAssetsMember_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_BrokersMember" xlink:href="cve-20231231.xsd#cve_BrokersMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_BrokersMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_ATMProgramMember" xlink:href="cve-20231231.xsd#cve_ATMProgramMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_ATMProgramMember" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_BureauOfLandManagementMember" xlink:href="cve-20231231.xsd#cve_BureauOfLandManagementMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_BureauOfLandManagementMember" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_AnfieldMember" xlink:href="cve-20231231.xsd#cve_AnfieldMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_AnfieldMember" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_NuclearFuelsIncMember" xlink:href="cve-20231231.xsd#cve_NuclearFuelsIncMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_NuclearFuelsIncMember" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_JointVenturesWhereEntityIsVenturerMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_JointVenturesWhereEntityIsVenturerMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="ifrs-full_JointVenturesWhereEntityIsVenturerMember" order="5" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_BossEnergysMember" xlink:href="cve-20231231.xsd#cve_BossEnergysMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_BossEnergysMember" order="6" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_PrivatePlacementsMember" xlink:href="cve-20231231.xsd#cve_PrivatePlacementsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="cve_PrivatePlacementsMember" order="7" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_OptionContractMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_OptionContractMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_FinancialAssetsMember" xlink:to="ifrs-full_OptionContractMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_TopOfRangeMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_TopOfRangeMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_RangesMember" xlink:to="ifrs-full_TopOfRangeMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_BottomOfRangeMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_BottomOfRangeMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_RangesMember" xlink:to="ifrs-full_BottomOfRangeMember" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_WarrantsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_WarrantsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_AntidilutiveInstrumentsMember" xlink:to="ifrs-full_WarrantsMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_RightofuseAssetsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_RightofuseAssetsMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ifrs-full_ClassesOfAssetsMember" xlink:to="ifrs-full_RightofuseAssetsMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_NumberOfSharesIssued" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NumberOfSharesIssued"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_EventsAftertheReportingPeriodDetailsLineItems" xlink:to="ifrs-full_NumberOfSharesIssued" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ProceedsFromExerciseOfWarrants" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ProceedsFromExerciseOfWarrants"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_EventsAftertheReportingPeriodDetailsLineItems" xlink:to="ifrs-full_ProceedsFromExerciseOfWarrants" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_NumberOfSharesSoldUnits" xlink:href="cve-20231231.xsd#cve_NumberOfSharesSoldUnits"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_EventsAftertheReportingPeriodDetailsLineItems" xlink:to="cve_NumberOfSharesSoldUnits" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_CommonSharesIssued" xlink:href="cve-20231231.xsd#cve_CommonSharesIssued"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_EventsAftertheReportingPeriodDetailsLineItems" xlink:to="cve_CommonSharesIssued" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_AccruedInterestPaid" xlink:href="cve-20231231.xsd#cve_AccruedInterestPaid"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_EventsAftertheReportingPeriodDetailsLineItems" xlink:to="cve_AccruedInterestPaid" order="5" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_NumberOfOutstandingShareOptions" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_NumberOfOutstandingShareOptions"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_EventsAftertheReportingPeriodDetailsLineItems" xlink:to="ifrs-full_NumberOfOutstandingShareOptions" order="6" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_WeightedAverageExercisePriceOfShareOptionsGrantedInShareBasedPaymentArrangement" xlink:href="cve-20231231.xsd#cve_WeightedAverageExercisePriceOfShareOptionsGrantedInShareBasedPaymentArrangement"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_EventsAftertheReportingPeriodDetailsLineItems" xlink:to="cve_WeightedAverageExercisePriceOfShareOptionsGrantedInShareBasedPaymentArrangement" order="7" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_Cash" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_Cash"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_EventsAftertheReportingPeriodDetailsLineItems" xlink:to="ifrs-full_Cash" order="8" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_PricePerUnit" xlink:href="cve-20231231.xsd#cve_PricePerUnit"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_EventsAftertheReportingPeriodDetailsLineItems" xlink:to="cve_PricePerUnit" order="9" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_UnitOfCommonShares" xlink:href="cve-20231231.xsd#cve_UnitOfCommonShares"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_EventsAftertheReportingPeriodDetailsLineItems" xlink:to="cve_UnitOfCommonShares" order="10" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_OwnershipPercentage" xlink:href="cve-20231231.xsd#cve_OwnershipPercentage"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_EventsAftertheReportingPeriodDetailsLineItems" xlink:to="cve_OwnershipPercentage" order="11" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ConsiderationPaidReceived" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ConsiderationPaidReceived"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_EventsAftertheReportingPeriodDetailsLineItems" xlink:to="ifrs-full_ConsiderationPaidReceived" order="12" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_ProportionOfOwnershipInterestInJointVenture" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_ProportionOfOwnershipInterestInJointVenture"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_EventsAftertheReportingPeriodDetailsLineItems" xlink:to="ifrs-full_ProportionOfOwnershipInterestInJointVenture" order="13" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_PricePerShare" xlink:href="cve-20231231.xsd#cve_PricePerShare"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_EventsAftertheReportingPeriodDetailsLineItems" xlink:to="cve_PricePerShare" order="14" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_SharesLoanAgreement" xlink:href="cve-20231231.xsd#cve_SharesLoanAgreement"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_EventsAftertheReportingPeriodDetailsLineItems" xlink:to="cve_SharesLoanAgreement" order="15" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_PurchasePrice" xlink:href="cve-20231231.xsd#cve_PurchasePrice"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_EventsAftertheReportingPeriodDetailsLineItems" xlink:to="cve_PurchasePrice" order="16" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_MarketPrice" xlink:href="cve-20231231.xsd#cve_MarketPrice"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_EventsAftertheReportingPeriodDetailsLineItems" xlink:to="cve_MarketPrice" order="17" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_CostOfMerchandiseSold" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_CostOfMerchandiseSold"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_EventsAftertheReportingPeriodDetailsLineItems" xlink:to="ifrs-full_CostOfMerchandiseSold" order="18" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="cve_MarketablesSecurities" xlink:href="cve-20231231.xsd#cve_MarketablesSecurities"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_EventsAftertheReportingPeriodDetailsLineItems" xlink:to="cve_MarketablesSecurities" order="19" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="ifrs-full_LoansReceived" xlink:href="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd#ifrs-full_LoansReceived"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="cve_EventsAftertheReportingPeriodDetailsLineItems" xlink:to="ifrs-full_LoansReceived" order="20" xbrldt:closed="true"/>
</definitionLink>
<definitionLink xlink:type="extended" xlink:role="http://encoreuranium.com/role/DocumentAndEntityInformation">
<loc xlink:type="locator" xlink:label="dei_DocumentInformationLineItems" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentInformationLineItems"/>
<loc xlink:type="locator" xlink:label="dei_DocumentInformationTable" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentInformationTable"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_DocumentInformationTable" order="0" xbrldt:contextElement="segment" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_EntityAddressesAddressTypeAxis" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressesAddressTypeAxis"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="dei_DocumentInformationTable" xlink:to="dei_EntityAddressesAddressTypeAxis" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_AddressTypeDomain" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_AddressTypeDomain"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="dei_EntityAddressesAddressTypeAxis" xlink:to="dei_AddressTypeDomain" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_AddressTypeDomain_0" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_AddressTypeDomain"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="dei_EntityAddressesAddressTypeAxis" xlink:to="dei_AddressTypeDomain_0" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_BusinessContactMember" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_BusinessContactMember"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_AddressTypeDomain" xlink:to="dei_BusinessContactMember" order="0" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_EntityRegistrantName" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityRegistrantName"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityRegistrantName" order="1" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_TradingSymbol" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_TradingSymbol"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_TradingSymbol" order="2" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_DocumentType" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentType"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_DocumentType" order="3" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_CurrentFiscalYearEndDate" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_CurrentFiscalYearEndDate"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_CurrentFiscalYearEndDate" order="4" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_EntityCommonStockSharesOutstanding" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityCommonStockSharesOutstanding"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityCommonStockSharesOutstanding" order="5" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_AmendmentFlag" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_AmendmentFlag"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_AmendmentFlag" order="6" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_EntityCentralIndexKey" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityCentralIndexKey"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityCentralIndexKey" order="7" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_EntityCurrentReportingStatus" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityCurrentReportingStatus"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityCurrentReportingStatus" order="8" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_DocumentPeriodEndDate" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentPeriodEndDate"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_DocumentPeriodEndDate" order="9" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_DocumentFiscalYearFocus" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentFiscalYearFocus"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_DocumentFiscalYearFocus" order="10" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_DocumentFiscalPeriodFocus" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentFiscalPeriodFocus"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_DocumentFiscalPeriodFocus" order="11" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_EntityEmergingGrowthCompany" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityEmergingGrowthCompany"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityEmergingGrowthCompany" order="12" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_EntityExTransitionPeriod" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityExTransitionPeriod"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityExTransitionPeriod" order="13" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_IcfrAuditorAttestationFlag" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_IcfrAuditorAttestationFlag"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_IcfrAuditorAttestationFlag" order="14" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_DocumentRegistrationStatement" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentRegistrationStatement"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_DocumentRegistrationStatement" order="15" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_DocumentAnnualReport" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentAnnualReport"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_DocumentAnnualReport" order="16" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_EntityFileNumber" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityFileNumber"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityFileNumber" order="17" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_EntityIncorporationStateCountryCode" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityIncorporationStateCountryCode"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityIncorporationStateCountryCode" order="18" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_EntityAddressAddressLine1" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressAddressLine1"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityAddressAddressLine1" order="19" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_EntityAddressAddressLine2" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressAddressLine2"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityAddressAddressLine2" order="20" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_EntityAddressCityOrTown" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressCityOrTown"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityAddressCityOrTown" order="21" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_EntityAddressStateOrProvince" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressStateOrProvince"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityAddressStateOrProvince" order="22" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_EntityAddressPostalZipCode" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressPostalZipCode"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityAddressPostalZipCode" order="23" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_CityAreaCode" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_CityAreaCode"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_CityAreaCode" order="24" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_LocalPhoneNumber" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_LocalPhoneNumber"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_LocalPhoneNumber" order="25" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_ContactPersonnelName" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_ContactPersonnelName"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_ContactPersonnelName" order="26" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_Security12bTitle" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_Security12bTitle"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_Security12bTitle" order="27" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_SecurityExchangeName" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_SecurityExchangeName"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_SecurityExchangeName" order="28" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_AnnualInformationForm" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_AnnualInformationForm"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_AnnualInformationForm" order="29" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_AuditedAnnualFinancialStatements" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_AuditedAnnualFinancialStatements"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_AuditedAnnualFinancialStatements" order="30" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_EntityInteractiveDataCurrent" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityInteractiveDataCurrent"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityInteractiveDataCurrent" order="31" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_DocumentFinStmtErrorCorrectionFlag" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentFinStmtErrorCorrectionFlag"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_DocumentFinStmtErrorCorrectionFlag" order="32" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_AuditorName" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_AuditorName"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_AuditorName" order="33" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_AuditorLocation" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_AuditorLocation"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_AuditorLocation" order="34" xbrldt:closed="true"/>
<loc xlink:type="locator" xlink:label="dei_AuditorFirmId" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_AuditorFirmId"/>
<definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_AuditorFirmId" order="35" xbrldt:closed="true"/>
</definitionLink>
</linkbase>

Top
Filing Submission 0001213900-24-027149   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)

Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
AboutPrivacyRedactionsHelp — Fri., May 17, 1:31:19.1pm ET