proof

noun

ˈprüf How to pronounce proof (audio)
Definition of proofnext
as in evidence
something presented in support of the truth or accuracy of a claim she presented proof that she had not cheated

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of proof No charred bodies are given as proof by the end of the episode –– and the Bowdens ultimately spare Max’s life. — Hunter Ingram, Variety, 1 Aug. 2026 Take this moment of the pair looking spiffy in suits and bowties at the Cannes Film Festival in May 2024 as proof. — Kelly Allen, PEOPLE, 1 Aug. 2026 The proof-of-principle experiment conducted by the Los Alamos National Laboratory achieved high-temperature, zero-power criticality, confirming the reactor’s core physics without generating electricity. — Jijo Malayil, Interesting Engineering, 31 July 2026 Displaying oil paintings, watercolors, studies, and multiple proofs alongside the full corpus of his etchings, the PMA show allows the viewer to discover the process of etching alongside Homer. — Kelly Presutti, ARTnews.com, 31 July 2026 See All Example Sentences for proof
Recent Examples of Synonyms for proof
  1. evidence
  2. testimony
  3. documentation
Noun
  • Keep the message short, specific, and free of emotional evidence exhibits.
    — Tarot.com, The Orlando Sentinel, 4 Aug. 2026
  • The evidence is already in the revenue per employee data, which is eclipsing every historical benchmark.
    — Michael Wee, Forbes.com, 3 Aug. 2026
Definition of evidence
Noun
  • Monday's witnesses are expected to include police officers and doctors involved in the immediate response to the killings, building on testimony some of their colleagues gave for the prosecution last week.
    — ABC News, ABC News, 3 Aug. 2026
  • The medical testimony came during the second week of Clancy’s trial on three counts of murder in the killings of her children Cora, 5; Dawson, 3; and 8-month-old Callan.
    — Eric Levenson, CNN Money, 3 Aug. 2026
Definition of testimony
Noun
  • But when inspectors asked for documentation showing the Department of Buildings had approved their use, the contractor did not provide it, the agency said.
    — Samantha Delouya, CNN Money, 30 July 2026
  • The hope is that the changes, detailed in the protocol’s documentation, will make widespread deployment in an enterprise context much easier.
    — Samuel Axon, ArsTechnica, 30 July 2026
Definition of documentation

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pronunciamentos
proof
proofread
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Cite this Entry

“Proof.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/proof. Accessed 5 Aug. 2026.

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More from Merriam-Webster on proof

Nglish: Translation of proof for Spanish Speakers

Britannica.com: Encyclopedia article about proof

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