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

Defending against abuse claims heavily depends on facts, precise records, and concrete proof. — Medora Lee, USA Today, 9 Aug. 2026

One side emphasizes the cash surplus and treats it as proof of fiscal health. — Sheila Weinberg, Baltimore Sun, 9 Aug. 2026

Its screenshots have circulated with ferocity this past week as proof that Grande is in danger, and imperiling others with her. — Lauren Michele Jackson, New Yorker, 8 Aug. 2026

Whitey’s Jolly Kone has spent decades perfecting every menu item and the proof is in the flavor. — Sacbee.com, 7 Aug. 2026