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

But rather than hail this trend as proof of AI’s skyrocketing potential, many in the field — skeptics and boosters alike — take it as evidence that benchmarking itself has become fatally flawed. — Quanta Magazine, 16 Oct. 2026

And, in an increasingly competitive undergraduate admissions landscape, the top schools remain somewhat scandal-proof. — Leah Asmelash, CNN Money, 15 Oct. 2026

There are 1,500 silver gelatin prints and a full collection of advertising proofs harking back to Dior’s early days. — Jennifer Weil, Footwear News, 15 Oct. 2026

While Google is in a better position than most streaming services to spot AI content, the absence of a label should not be taken as proof that something is the product of human talent. — Ryan Whitwam, ArsTechnica, 15 Oct. 2026