Crossword clues for the word: GNASHES The word GNASHES has appeared as an answer to at least 6 crossword clues on different crossword puzzles. Crossword clues for GNASHES Showing 1 to 6 of 6 results Clue(s) "Grinds in anger, maybe" "Grinds, as gears" Grinds (teeth) Grinds as teeth Grinds one's teeth. Grinds together, as teeth