verify
Americanverb (used with object)
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to prove the truth of, as by evidence or testimony; confirm; substantiate.
Events verified his prediction.
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to ascertain the truth or correctness of, as by examination, research, or comparison.
to verify a spelling.
- Synonyms:
- validate, authenticate
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to act as ultimate proof or evidence of; serve to confirm.
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Law.
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to prove or confirm (an allegation).
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to state to be true, especially in legal use, formally or upon oath.
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verb
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to prove to be true; confirm; substantiate
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to check or determine the correctness or truth of by investigation, reference, etc
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law to add a verification to (a pleading); substantiate or confirm (an oath)
Other Word Forms
Derived Forms
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unverifiabilitynoun
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verifiabilitynoun
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verifiablenessnoun
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verifiernoun
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preverifyverb (used with object)
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reverifyverb (used with object)
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nonverifiableadjective
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unverifiableadjective
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verifiableadjective
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verifiablyadverb
Inflected Forms
Participles
Conjugated Forms
Present
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verifysimple
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verifiessimple
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have verifiedperfect
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has verifiedperfect
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am verifyingprogressive
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are verifyingprogressive
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is verifyingprogressive
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have been verifyingperfect progressive
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has been verifyingperfect progressive
Past
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verifiedsimple
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had verifiedperfect
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was verifyingprogressive
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were verifyingprogressive
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had been verifyingperfect progressive
Future
Etymology
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
Explanation
When you verify something, you show that it's true. Do you have a photograph to verify your claim that there's a dinosaur in your backyard? Physical evidence and records are often used to verify what's happened. Your receipt verifies that you purchased the tall, striped hat you'd now like to return. You can also verify something verbally. Can you verify that your cat was home all evening on the night of the canary's "accident"?
Vocabulary lists containing verify
List 1
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Tier 2 Words for the SBAC ELA Items
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Jim Burke's Academic Vocabulary List
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
BBC London has seen adverts on Booking.com and Airbnb which appear to be for a social home - although cannot independently verify it's the same property.
From BBC • Jul. 8, 2026
The time it takes to verify that a tenant’s income meets the tax credit’s requirements and prep units for move-in played a role in the struggle to fill vacant units built with the federal subsidy.
From Salon • Jul. 4, 2026
While border officials contact authorities nationwide to verify the identity of those who don't have any form of ID, the process for newly arrived Afghans can be bewildering.
From Barron's • Jul. 3, 2026
MarketWatch also examined the filings to verify the accuracy of Braziel’s comments.
From MarketWatch • Jun. 29, 2026
For that reason she felt no compulsion to verify herself—be consistent with herself.
From "Sula" by Toni Morrison
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.