Synonyms of proof

proof

noun

ˈprüf 

as in evidence

something presented in support of the truth or accuracy of a claim

she presented proof that she had not cheated

Synonyms & Similar Words

• evidence
• testimony
• documentation
• testament
• testimonial
• confirmation
• witness
• validation
• corroboration
• substantiation
• attestation
• document
• voucher
• certificate
• demonstration
• (the) goods
• verification
• identification
• exhibit
• manifestation
• illustration
• authentication

Antonyms & Near Antonyms

• refutation
• rebuttal
• disproof
• charge
• allegation
• accusation
• assumption
• presumption
• suspicion
• conjecture
• guess
• surmise

Example Sentences

Recent Examples of proof

In a sense, the proof shows that a world in which love never returns is a world whose geometry tears itself apart—assuming, of course, the proof holds up. — Sam MacDonald, Scientific American, 14 Aug. 2026

That the methods sometimes fail isn’t proof that the category of life is too narrow but rather that what emerges from evolutionary processes as organisms’ bodies alter through time is often what’s good enough rather than ideal. — Literary Hub, 14 Aug. 2026

The letter points to a Wall Street Journal report that Taylor Farms lobbyists engaged with the White House to ask for more time and more proof before federal agencies implicated the company in the outbreak. — Elizabeth Schulze, ABC News, 14 Aug. 2026

This album is proof that with a stellar production team in her corner and full creative control, Kim Petras is a de-tour de force of the pop world. — Vogue, 14 Aug. 2026