What is another word for verify?

Common synonyms for verify include swan, aver, control, affirm, swear.

What is the opposite of verify?

Antonyms of verify include disprove, refute, contradict, deny, negate.

Synonyms for

Verify

Verb / ˈverʌˌfaɪ / Another word for verify — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

Definition

To prove that something is true or accurate.

Synonyms & similar words

swan aver control affirm swear avow assert confirm validate authenticate substantiate corroborate establish affirm attest certify check prove show demonstrate test ascertain witness ratify endorse justify

Synonyms by register

Formal

confirm substantiate corroborate validate

Informal

check make sure see prove out

Literary

attest certify

Antonyms

disprove refute contradict deny negate invalidate

Common collocations

verify the identity
verify the information
verify the facts
verify the signature
verify the account
verify the results
verify the claim

Word family

noun verification

verb verify

adjective verifiable

adverb verifiably

Usage note

While 'verify' and 'confirm' are often interchangeable, 'verify' implies a more thorough process of checking for accuracy, often against evidence. 'Confirm' can sometimes mean simply to establish the truth or correctness of something already believed.