verifying

From the verb verify: (⇒ conjugate)

verifying is: ⓘ

v pres p

WordReference Random House Learner's Dictionary of American English © 2026

ver•i•fy /ˈvɛrəˌfaɪ/   v. [~ + object] , -fied, -fy•ing. 

1. to prove the truth of, as by evidence or testimony; confirm:
   Several witnesses verified his alibi.
2. to prove the truth, authenticity, or correctness of:
   Later investigations verified the theory.

ver•i•fi•a•ble /ˈvɛrəˌfaɪəbəl/  adj. 
ver•i•fi•ca•tion /ˌvɛrəfɪˈkeɪʃən/  n. [uncountable] :

We'll need verification of your signature; please wait one moment while we check it.

See -ver-.

WordReference Random House Unabridged Dictionary of American English © 2026

ver•i•fy  (ver′ə fī′), v.t., -fied, -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.
3. to act as ultimate proof or evidence of;
   serve to confirm.
4. Law
   • to prove or confirm (an allegation).
   • to state to be true, esp. in legal use, formally or upon oath.

• Medieval Latin vērificāre, equivalent. to vēri-, combining form of vērus true + -ficāre -fy
• Middle French verifier
• Middle English verifien 1275–1325

ver′i•fi′a•bil′i•ty, ver′i•fi′a•ble•ness, n. 
ver′i•fi′a•ble, adj. 
ver′i•fi′er, n. 
Synonyms

• 2. authenticate, validate.

Collins Concise English Dictionary © HarperCollins Publishers::

verify / ˈvɛrɪˌfaɪ/ verb ( -fies, -fying, -fied)(transitive)

1. to prove to be true; confirm; substantiate
2. to check or determine the correctness or truth of by investigation, reference, etc
3. to add a verification to (a pleading); substantiate or confirm (an oath)

Etymology: 14th Century: from Old French verifier, from Medieval Latin vērificāre, from Latin vērus true + facere to make

ˈveriˌfiable adjective

ˈveriˌfiably adverb

ˈveriˌfier noun