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confirm

[ kuhn-furm ]
/ kənˈfɜrm /
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See synonyms for: confirm / confirmed / confirming / confirms on Thesaurus.com
verb (used with object)
to establish the truth, accuracy, validity, or genuineness of; corroborate; verify: This report confirms my suspicions.
to acknowledge with definite assurance: Did the hotel confirm our room reservation?
to make valid or binding by some formal or legal act; sanction; ratify: to confirm a treaty; to confirm her appointment to the Supreme Court.
to make firm or more firm; add strength to; settle or establish firmly: Their support confirmed my determination to run for mayor.
to strengthen (a person) in habit, resolution, opinion, etc.: The accident confirmed him in his fear of driving.
to administer the religious rite ofconfirmation to.
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Origin of confirm

1250–1300; <Latin confirmāre to strengthen, confirm (see con-, firm1); replacing Middle English confermen<Old French <Latin, as above

OTHER WORDS FROM confirm

Words nearby confirm

configure, confine, confined, confinee, confinement, confirm, confirmand, confirmation, confirmation bias, confirmation hearings, confirmatory
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Words related to confirm

affirm, approve, back, certify, corroborate, endorse, establish, explain, sign, substantiate, support, uphold, verify, assure, attest, authenticate, bless, buy, check, circumstantiate

How to use confirm in a sentence

British Dictionary definitions for confirm

confirm
/ (kənˈfɜːm) /
verb (tr)
(may take a clause as object) to prove to be true or valid; corroborate; verify
(may take a clause as object) to assert for a second or further time, so as to make more definitehe confirmed that he would appear in court
to strengthen or make more firmhis story confirmed my doubts
to make valid by a formal act or agreement; ratify
to administer the rite of confirmation to

Derived forms of confirm

confirmable, adjectiveconfirmatory or confirmative, adjectiveconfirmer, noun

Word Origin for confirm

C13: from Old French confermer, from Latin confirmāre, from firmus firm 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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