Crossword clues for the word: KILLINGFLOOR The word KILLINGFLOOR has appeared as an answer to at least 1 crossword clue on different crossword puzzles. Crossword clues for KILLINGFLOOR Showing 1 to 1 of 1 results Clue(s) Debut novel by 25-Across that was the basis for the first season of "Reacher" (2 wds.)