Crossword clues for the word: BACKFIRE The word BACKFIRE has appeared as an answer to at least 12 crossword clues on different crossword puzzles. Crossword clues for BACKFIRE Showing 1 to 12 of 12 results Clue(s) "Loud, unexpected engine noise" "Work out badly, in a way" Arm problem Blow up in your face Car exhaust explosion Fall flat Have exactly the wrong effect Have the opposite effect from what was intended Produce an undesirable result Rebound adversely Song by Debbie Harry or Smokey Robinson The report will have unwelcome results