proof

Adjective

• (used in combination or as a suffix) able to withstand
  • temptation-proof
    
  • childproof locks
    

Noun

• the act of validating; finding or testing the truth of something

• a trial photographic print from a negative

• (printing) an impression made to check for errors

• a measure of alcoholic strength expressed as an integer twice the percentage of alcohol present (by volume)

• a formal series of statements showing that if one thing is true something else necessarily follows from it

• 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
    

Verb

• make resistant (to harm)
  • proof the materials against shrinking in the dryer
    

• activate by mixing with water and sometimes sugar or milk
  • proof yeast
    

• read for errors
  • I should proofread my manuscripts
    

• knead to reach proper lightness
  • proof dough
    

• make or take a proof of, such as a photographic negative, an etching, or typeset

Related words

• Synonyms: 
  proof(p) , validation , substantiation , test copy , trial impression , cogent evidence , proofread