1. (

• proof

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

2. (

• proof

) knead to reach proper lightness; "proof dough" ;

3. (

• proofread ,
• proof

) read for errors; "I should proofread my manuscripts" ;

4. (

• proof ,

) activate by mixing with water and sometimes sugar or milk; "proof yeast" ;

5. (

• proof

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

1. (

• proofed

) treated so as to become resistant; "rust-proofed automobiles"; "shrink-proofed fabrics" ;