Crossword clues for the word: FRENCHLEAVE The word FRENCHLEAVE has appeared as an answer to at least 5 crossword clues on different crossword puzzles. Crossword clues for FRENCHLEAVE Showing 1 to 5 of 5 results Clue(s) AWOL's action Poilus march off Unannounced departure Unauthorized departure. Unceremonious adieu