Crossword clues for the word: MUTTERED The word MUTTERED has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for MUTTERED Showing 1 to 7 of 7 results Clue(s) Barely let out Grumbled indistinctly Mumbled Sounded unhappy Spoke indistinctly in a low voice Talked indistinctly in a low voice The number spoken was mumbled