[ ver-uh-fahy ]
See synonyms for: verifyverifiedverifyingverifiable on

verb (used with object),ver·i·fied, ver·i·fy·ing.
  1. to prove the truth of, as by evidence or testimony; confirm; substantiate: Events verified his prediction.

  2. to ascertain the truth or correctness of, as by examination, research, or comparison: to verify a spelling.

  1. to act as ultimate proof or evidence of; serve to confirm.

  2. Law.

    • to prove or confirm (an allegation).

    • to state to be true, especially in legal use, formally or upon oath.

Origin of verify

First recorded in 1275–1325; Middle English verifien, from Middle French verifier, from Medieval Latin vērificāre, from vēri- (combining form of vērus “true”) + -ficāre -fy

Other words for verify

Other words from verify

  • ver·i·fi·a·bil·i·ty, ver·i·fi·a·ble·ness, noun
  • ver·i·fi·a·ble, adjective
  • ver·i·fi·er, noun
  • non·ver·i·fi·a·ble, adjective
  • pre·ver·i·fy, verb (used with object), pre·ver·i·fied, pre·ver·i·fy·ing.
  • re·ver·i·fy, verb (used with object), re·ver·i·fied, re·ver·i·fy·ing.
  • un·ver·i·fi·a·bil·i·ty, noun
  • un·ver·i·fi·able, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use verify in a sentence

British Dictionary definitions for verify


/ (ˈvɛrɪˌfaɪ) /

verb-fies, -fying or -fied (tr)
  1. to prove to be true; confirm; substantiate

  2. to check or determine the correctness or truth of by investigation, reference, etc

  1. law to add a verification to (a pleading); substantiate or confirm (an oath)

Origin of verify

C14: from Old French verifier, from Medieval Latin vērificāre, from Latin vērus true + facere to make

Derived forms of verify

  • verifiable, adjective
  • verifiableness, noun
  • verifiably, adverb
  • verifier, noun

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