| noun | any factual evidence that helps to establish the truth of something “if you have any proof for what you say, now is the time to produce it” |
| noun | a formal series of statements showing that if one thing is true something else necessarily follows from it |
| noun | a measure of alcoholic strength expressed as an integer twice the percentage of alcohol present (by volume) |
| noun | (printing) an impression made to check for errors |
| noun | a trial photographic print from a negative |
| noun | the act of validating; finding or testing the truth of something |
| verb | make or take a proof of, such as a photographic negative, an etching, or typeset |
| verb | knead to reach proper lightness “proof dough” |
| verb | read for errors “I should proofread my manuscripts” |
| verb | activate by mixing with water and sometimes sugar or milk “proof yeast” |
| verb | make resistant (to harm) “proof the materials against shrinking in the dryer” |
| adjective | (used in combination or as a suffix) able to withstand “temptation-proof” |
| proof | verb | read for errors |
| validate | verb | give evidence for |
| substantiate | verb | establish or strengthen as with new evidence or facts |
| proof | noun | a trial photographic print from a negative |
| proofreader | noun | someone who reads proof in order to find errors and mark corrections |