What does PROOF mean?

Proof

Parts of Speech: Noun, verb

Definitions:

1. An evidence or argument establishing a fact or the truth of a statement.
2. A trial print of something, especially a page of a book or a print of an engraving.
3. The strength of distilled alcoholic spirits, usually expressed as a percentage of alcohol by volume.
4. Make (fabric) waterproof.

Pronunciations:

• US: /pruf/
• UK: /pruːf/

Origin and Usage:

The word "proof" originated from the Old French word "prover" which means "to prove or test". The word has been in use since the 14th century. It has various meanings in different contexts, such as in law, printing, and alcohol. In law, proof refers to evidence that establishes a fact or the truth of a statement. In printing, proof refers to a trial print of something, especially a page of a book or a print of an engraving. In the context of alcohol, proof refers to the strength of distilled alcoholic spirits, usually expressed as a percentage of alcohol by volume.

Synonyms: Evidence, confirmation, verification, demonstration, attestation.

Related Words: Probe, prong, proud, prowl, pricy.

Example Sentences:

1. The proof of his guilt was overwhelming.
2. She sent the author a proof of the book for approval.
3. The vodka has a proof of 80.
4. The fabric has been proofed to make it waterproof.