- 1proof something to put a special substance on something, especially cloth, to protect it against water, fire, etc. proofed canvas
Want to learn more?
Find out which words work together and produce more natural sounding English with the Oxford Collocations Dictionary app.
- 2proof something to produce a test copy of a piece of printed work so that mistakes can be corrected color proofing prove verb (≠disprove)proof nounproven adjective (≠unproven)
proof
verbNAmE//pruf//
Verb Forms present simple I / you / we / they proof he / she / it proofs
past simple proofed
-ing form proofing
Check pronunciation: proof