- to prove to be true; confirm; substantiate
- to check or determine the correctness or truth of by investigation, reference, etc
- to add a verification to (a pleading); substantiate or confirm (an oath)
WordReference Random House Learner's Dictionary of American English © 2026
ver•i•fy /ˈvɛrəˌfaɪ/USA pronunciation
v. [~ + object], -fied, -fy•ing.
ver•i•fi•ca•tion /ˌvɛrəfɪˈkeɪʃən/USA pronunciation 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- to prove the truth of, as by evidence or testimony; confirm:Several witnesses verified his alibi.
- to prove the truth, authenticity, or correctness of:Later investigations verified the theory.
ver•i•fi•ca•tion /ˌvɛrəfɪˈkeɪʃən/USA pronunciation n. [uncountable] :We'll need verification of your signature; please wait one moment while we check it.See -ver-.
ver•i•fy
(ver′ə fī′),USA pronunciation v.t., -fied, -fy•ing.
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.
- to prove the truth of, as by evidence or testimony;
confirm;
substantiate:Events verified his prediction. - to ascertain the truth or correctness of, as by examination, research, or comparison:to verify a spelling.
- to act as ultimate proof or evidence of;
serve to confirm. - 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•ble, adj.
ver′i•fi′er, n.
- 2. authenticate, validate.
Collins Concise English Dictionary © HarperCollins Publishers::
verify /ˈvɛrɪˌfaɪ/ vb ( -fies, -fying, -fied) (transitive)
'verify' also found in these entries (note: many are not synonyms or translations):
check
- checkup
- confirm
- control
- crosscheck
- double-check
- examination
- prove
- visit
- audit
- auditor
- Barr body
- belie
- boresight
- certify
- collate
- constative
- corroborate
- custom
- demonstrate
- determine
- document
- establish
- good
- identify
- learn
- validate
- verification
- verified
- vet
- soothe
- speculation
- SS
- substantiate