Crossword clues for the word: STERILIZE The word STERILIZE has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for STERILIZE Showing 1 to 7 of 7 results Clue(s) "Boil, perhaps" "Make safe for use, in a way" "Pass through fire, perhaps" Make free of bacteria Prepare for surgery Prepare surgical tools Zap the bacteria off of