Meaning of the word proof in English

What does proof mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

proof

US /pruːf/

UK /pruːf/

evidence or argument establishing a fact or the truth of a statement

Example:

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Do you have any proof that he was involved?

•

The police found no proof of his guilt.

Synonym:

a trial impression of a page or other matter, taken from type or a plate, for the detection and correction of errors

Example:

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The editor sent the author the page proofs for review.

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Please check the proof carefully for any errors before printing.

Synonym:

galley dummy layout

demonstrate the truth or existence of (something) by evidence or argument

Example:

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Can you proof your claims with data?

•

The new findings proof the previous theory.

Synonym:

prove verify confirm substantiate validate

make (something) resistant to damage or penetration by something

Example:

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You should proof the fabric against water.

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The new coating will proof the metal from corrosion.

Synonym:

waterproof weatherproof seal insulate shield

resistant to damage or penetration by something

Example:

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This material is completely water-proof.

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The safe is fire-proof.

Synonym:

resistant impervious impenetrable sealed protected