Crossword clues for the word: HMM The word HMM has appeared as an answer to at least 57 crossword clues on different crossword puzzles. Crossword clues for HMM Showing 51 to 57 of 57 results Clue(s) Thoughtful interjection Thoughtful sound Thoughtful utterance Under consideration ...... Utterance while chewing on a pencil What a deep thinker might mumble What you might say after reading a tricky crossword clue « Previous Next » 1 2