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

The fact that the Gere/gerbil malarkey survived for decades is evidence that celebrity gossip doesn’t need much proof to proliferate. — Maxwell Adler, Vanity Fair, 2 Oct. 2026

The Vultr order is an early proof point for HPE’s Helios strategy, but execution will determine the payoff. — Sheryl Estrada, Fortune, 1 Oct. 2026

Now, a strong defensive season has become a runaway award victory, and the same media that handed her the trophy can point to it as proof that their assessment was right. — Dan Zaksheske Outkick, FOXNews.com, 1 Oct. 2026

Sellers can also ask for proof of funds to confirm that the buyer has the ability to complete the purchase. — Ascend Agency, Chicago Tribune, 1 Oct. 2026