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Want to find out what does the word proof mean? We gathered all the possible definitions of the word proof on our website. Our definition dictionary is updated all the time with new definitions and is ready to help you.


Part of speech: Noun

The means by which something is found to be true or correct; convincing evidence; a test or trial; in printing, an impression taken from type for correction; an early impression of an engraving.

Part of speech: Adjective

Capable of resisting; capable of moral or physical resistance: proof reader, one who is trained to find and correct errors in printers' proofs.

Usage examples "proof":