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verify

American  
[ver-uh-fahy] / ˈvɛr əˌfaɪ /

verb (used with object)

verified, verifying
  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.

    Synonyms:
    validate, authenticate
  3. to act as ultimate proof or evidence of; serve to confirm.

  4. Law.

    1. to prove or confirm (an allegation).

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


verify British  
/ ˈvɛrɪˌfaɪ /

verb

  1. to prove to be true; confirm; substantiate

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

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

"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

Other Word Forms

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"?

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Vocabulary lists containing verify

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.

But having a bot read a transcript and identify the relevant sections for me to verify is a massive time-saver, one of my favorite technological evolutions of any product I’ve used in my career.

From Slate • May 24, 2026

The United Nations said on Friday it "strongly condemns any attacks against civilians and civilian infrastructure, wherever they occur", adding it could not verify details due to restricted access to the area.

From Barron's • May 24, 2026

The BBC has not been able to independently verify the allegations.

From BBC • May 22, 2026

Earlier this year, the EPA announced it would perform a limited soil sampling at 100 destroyed homes across the burn zone in order to verify that contractors had thoroughly mitigated toxic substances.

From Los Angeles Times • May 21, 2026

I believe that you should get another physician besides your mother to verify my findings.

From "Everything, Everything" by Nicola Yoon

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