proof
verb/pruːf/
/pruːf/
Verb Forms
| present simple I / you / we / they proof | /pruːf/ /pruːf/ |
| he / she / it proofs | /pruːfs/ /pruːfs/ |
| past simple proofed | /pruːft/ /pruːft/ |
| past participle proofed | /pruːft/ /pruːft/ |
| -ing form proofing | /ˈpruːfɪŋ/ /ˈpruːfɪŋ/ |
- proof something to put a special substance on something, especially cloth, to protect it against water, fire, etc.
- proofed canvas
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- proof something to produce a test copy of a piece of printed work so that mistakes can be corrected
- She edits and proofs his work.
Word OriginMiddle English preve, from Old French proeve, from late Latin proba, from Latin probare ‘to test, prove’. The change of vowel in late Middle English was due to the influence of prove. Current senses of the verb date from the late 19th cent.
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