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Definitions

proof

[proof] / pruf /




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.

Although the technology has so far been demonstrated only in proof of concept devices, Guo believes the approach can be scaled up significantly.

From Science Daily • May 31, 2026

However, they can be "quite picky about what counts as a storm" and may require proof that damage was caused by weather.

From BBC • May 29, 2026

Many are in limbo, caught between Indian pressure to leave and Bangladesh's refusal to accept them without formal proof of citizenship.

From Barron's • May 29, 2026

Polymarket doesn’t require users of its offshore platform to submit proof of identity, making it largely anonymous.

From The Wall Street Journal • May 28, 2026

He put his glasses back on, and in that moment Penelope had all the proof she needed.

From "The Interrupted Tale" by Maryrose Wood




Vocabulary lists containing proof


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