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verify

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

verb (used with object)

verifies, present (3rd person singular) verified, past participle, past verifying present participle
  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

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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"?

Keep Reading on Vocabulary.com

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.

See Examples For:

Leaver said France's ban may have a higher chance of succeeding because of the requirement for every person to verify their age but that this will also increase risks to privacy.

From BBC Jul. 22, 2026

As a result, it is unclear how the U.S. or the International Atomic Energy Agency would verify that the Saudis don’t militarize their program.

From Slate Jul. 22, 2026

Nuttakarn told AFP the family consider themselves "fortunate that they were able to verify his identity accurately because his body wasn't burned to the point of being unidentifiable".

From Barron's Jul. 14, 2026

Scammers will ask you to provide or verify personal information, account login details or two-factor authentication codes, transfer money to them or download malicious software, it says.

From MarketWatch Jul. 14, 2026

REELTOK: And how do you verify the numbers are correct?

From "Linked" by Gordon Korman

Los Angeles County election officials say you can check in at a vote center by scanning your “quick check-in code” — a number that verifies your voter registration.

From Los Angeles Times Jun. 2, 2026

The lived experience verifies the theoretical, and the theoretical gives those with lived experience tools to understand their own lives.

From Slate May 27, 2026

The AI agent, integrated into IBM’s security network, automatically verifies the employee’s identity, pulls the required data from the HR system and sends the letter.

From The Wall Street Journal May 5, 2026

Bottom line: When you deposit a large cash amount — in this case, a $150,000 inheritance — the teller verifies your identity, records your explanation of the money’s source, and processes the deposit normally.

From MarketWatch Feb. 26, 2026

According to the Protestant view, the mark of catholicity verifies itself exclusively in the inner being of the Church, and not in her outward manifestation.

From The Catholic World; Volume I, Issues 1-6 A Monthly Eclectic Magazine by Rameur, E.

The document does not, however, link to these files or show any other evidence for this figure or provide an explanation of how the numbers were collected and verified.

From BBC Jul. 17, 2026

When evaluated using verified examples, the model correctly detected suspicious papers 91 percent of the time.

From Science Daily Jul. 16, 2026

Lime, with one long-term shareholder, George M. Doumet, controlling a stake of more than 60% through Inberdon Enterprises, as verified by FactSet.

From MarketWatch Jul. 15, 2026

It has cost an estimated $1 to $2 billion to develop so far, though verified figures aren’t readily available.

From Salon Jul. 13, 2026

This portrait of Maria Sibylla Merian, which appeared on the German five-hundred-Deutschmark bill, is based on the only verified engraving of her.

From "The Girl Who Drew Butterflies: How Maria Merian's Art Changed Science" by Joyce Sidman

On the one hand, the types of technologies that have exploded since the launch of ChatGPT in November 2022 can automate tasks like editing grammar or verifying facts and figures.

From MarketWatch Jul. 17, 2026

“While a human can easily verify a few suggested lines of code, verifying hundreds of thousands of AI-generated lines is practically impossible,” Stoica said.

From The Wall Street Journal Jun. 25, 2026

For platforms, the challenge is verifying identities, policing boundaries, and making sure a market built around emotional intimacy doesn’t become a regulatory liability.

From Barron's Jun. 19, 2026

The state has more than 23 million registered voters, and ballots go through numerous verification steps, including verifying signatures on mail-in ballots.

From Los Angeles Times Jun. 8, 2026

“Just verifying something,” I say, annoyed I can’t even have this moment to myself.

From "The Last Cuentista" by Donna Barba Higuera

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