1. Treated so as to become resistant
   "rust-proofed automobiles"; "shrink-proofed fabrics"

1. Make resistant (to harm)
   "proof the materials against shrinking in the dryer"
    
2. Check text for errors
   "I should proof my manuscripts";
   - proofread
    
3. Make or take a proof of, such as a photographic negative, an etching, or typeset
   "The editor proofed the final layout before sending it to print"
    
4. Activate by mixing with water and sometimes sugar or milk
   "proof yeast"
    
5. Knead to reach proper lightness
   "proof dough"

See also: treated

Type of: alter, ascertain, change, check, create, ensure, insure, knead, make, make certain, make sure, modify, produce, see, strengthen, toughen, work

Encyclopedia: Proofed