validate

[val-i-deyt] / ˈvæl ɪˌdeɪt /

VERB

ascertain the truth, authenticity of something

Synonyms

STRONGEST

approve certify confirm corroborate endorse justify legalize legitimize ratify substantiate verify

STRONG

authenticate authorize constitute okay sanction

WEAK

John Hancock bear out give stamp of approval give the go-ahead give the green light give the nod make binding make legal make stick rubber-stamp set seal on sign off on

Antonyms

STRONGEST

contradict deny disagree disallow disapprove discredit disprove invalidate oppose refuse reject repudiate veto

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.

Miners use specialized computers to validate transactions and earn newly minted bitcoin and transaction fees, making their businesses highly sensitive to bitcoin prices, electricity costs and the efficiency of their machines.

From MarketWatch • Apr. 9, 2026

To validate the approach, researchers used 352 urine samples that had already been collected during routine testing at Basingstoke and North Hampshire Hospital.

From Science Daily • Mar. 31, 2026

Backing this view are numerous scientific papers, including a peer-reviewed study where IBM and university researchers created a previously unknown molecule and used a quantum computer to validate its physical properties.

From Barron's • Mar. 12, 2026

Neither firm responded to my questions about the demographics of their customer base, the problem of insider trading, or my request for them to validate their claims of accuracy.

From Los Angeles Times • Mar. 12, 2026

Annie looked to the side, like there was somebody else who could validate Luke’s weirdness.

From "We'll Fly Away" by Bryan Bliss

Vocabulary lists containing validate

The SAT: Language of the Test, List 2

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The New SAT: The Language of the Test

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The ACT: The Language of the Test, List 3

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