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Word of the Day Tuesday, June 9, 2026

proof

/pʁuːf/ noun, verb · British & US
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What does proof mean?

noun, verb

A fact or statement that has been shown to be true through evidence or reasoning. Evidence or a document that proves something.

Example

"The scientist provided proof of the theory's validity through extensive research."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for proof

Antonyms of proof

Rhymes with proof

Etymologically related