Crossword clues for the word: IDIOTPROOF The word IDIOTPROOF has appeared as an answer to at least 9 crossword clues on different crossword puzzles. Crossword clues for IDIOTPROOF Showing 1 to 9 of 9 results Clue(s) *Simple-to-use Extremely easy to use Impossible to mess up Impossible to screw up Not at all like rocket science Pretty darn simple Question #1 Really easy to use Un-screw-up-able