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English definition of “confirm”

confirm

verb [T]     /kənˈfɜːm/
TRUE B2 to say or show that something is true : The report could not be confirmed independently . [+ (that)] His wife confirmed that he'd left the house at 8.Accepting and agreeingAccepting and agreeing reluctantlyApproving and approvalProving and disproving
CERTAIN B1 to make an arrangement certain : Flights should be confirmed 48 hours before departure .Planning, expecting and arrangingPlotting and trapping
be confirmed to become a member of the Christian Church at a special ceremony Religious ceremonies and prayers
(Definition of confirm verb from the Cambridge Learner's Dictionary © Cambridge University Press)

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