Synonyms and Antonyms of corroborate

  1. 1 to give evidence or testimony to the truth or factualness of the witnesses corroborated the policeman's testimony Synonyms argue, attest, authenticate, bear out, certify, confirm, substantiate, support, validate, verify, vindicateRelated Words avouch, back (up), testify (to), vouch (for), witness; guarantee, warrant; affirm, assert, aver, avow, declare, profess; demonstrate, document, establish, prove, reinforce (also reenforce)Near Antonyms contradict, gainsay; deny, disavow, disclaim; challenge, contest, dispute, questionAntonyms disprove, rebut, refute

  2. 2 to provide evidence or information for (as a claim or idea) my personal experience does not corroborate your faith in the essential goodness of people Synonyms back, bolster, buttress, support, reinforce (also reenforce), shore (up), substantiateRelated Words confirm, establish, prove, verify; affirm, avouch, validateNear Antonyms undercut, undermine, weaken

Seen and Heard

What made you want to look up corroborate? Please tell us where you read or heard it (including the quote, if possible).


capable of being understood in two ways

Get Word of the Day daily email!