Crossword clues for the word: APPARATUS The word APPARATUS has appeared as an answer to at least 10 crossword clues on different crossword puzzles. Crossword clues for APPARATUS Showing 1 to 10 of 10 results Clue(s) Complex device or machine. Complex machine Complex mechanism Equipment Equipment, device Kit one used in a piano piece (American) Papa is appalling traitor, meeting American organisation Soldier dropped in wearing suitable American equipment Soldier quick to learn about unserviceable gear Soldier wearing suitable American equipment