proof

Meanings

1. 1
   noun

   Information or facts that show something is true.

   If you have any proof of what you say, show it now.

2. 2
   verb

   To read something carefully to find and correct mistakes.

   Always proof your essay before handing it in.

3. 3
   verb

   To make something resistant to harm or damage.

   They proofed the jacket against rain.

From Middle English proof, from Old French prove, from Late Latin proba (“a proof”), from Latin probō (“to prove”); see prove; compare also the doublet probe.

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