Crossword clues for the word: MOISTENER The word MOISTENER has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for MOISTENER Showing 1 to 7 of 7 results Clue(s) "Damp cloth, e.g." "Wet sponge, for one." Envelope-sealing aid Useful desk gadget. Wet sponge Wetting device for stamps What a wet sponge may be used as