Crossword clues for the word: SUREFIRE The word SUREFIRE has appeared as an answer to at least 12 crossword clues on different crossword puzzles. Crossword clues for SUREFIRE Showing 1 to 12 of 12 results Clue(s) """Is it a ___ way to speed things up..."" (Blues Traveler lyric)" Bound to succeed Can’t-miss Can't-miss Certain to succeed. Certain: Slang. Foolproof Guaranteed Highly dependable Like guns that shoot every time? Never-failing Unstoppable, as a plan