Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

Thesaurus

confirm

verb

Synonyms and Antonyms of confirm

  1. 1 to give evidence or testimony to the truth or factualness of <several eyewitnesses who can confirm the defendant's account of what happened> Synonyms argue, attest, authenticate, bear out, certify, corroborate, substantiate, support, validate, verify, vindicate Related 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, question Antonyms disprove, rebut, refute

  2. 2 to give official acceptance of as satisfactory <the senate must confirm an appointment to an ambassadorship> Synonyms accredit, approbate, authorize, clear, approve, finalize, formalize, homologate, OK (or okay), ratify, sanction, warrantRelated Words accept, acknowledge, affirm; certify, endorse (also indorse), validate; bless, canonize, sanctify; initial, rubber-stamp, sign, sign off (on); allow, enable, legalize, license (also licence), pass, permit; reapproveNear Antonyms ban, enjoin, forbid, illegalize, interdict, prohibit, proscribe; disregard, ignore, neglect, overlook; rebuff, rebut, refuse, spurnAntonyms decline, deny, disallow, disapprove, negative, reject, turn down, veto




Learn More about confirm


Seen and Heard

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

WORD OF THE DAY

to depart quickly

Get Word of the Day daily email!