proof

Definition

• n. any factual evidence that helps to establish the truth of something
• n. a formal series of statements showing that if one thing is true something else necessarily follows from it
• n. a measure of alcoholic strength expressed as an integer twice the percentage of alcohol present (by volume)
• n. (printing) an impression made to check for errors

Word forms

Past participle

proofed

Present participle

proofing

Past tense

proofed

Third person singular

proofs

Example sentences

1. n.

   The detective found proof of the suspect's involvement in the crime.

2. a.

   This jacket is water-proof, so you can wear it in the rain.

3. vt.

   Before publishing, the editor needs to proof the article for any mistakes.

4. n.

   The proof of the book was sent to the author for final approval.