Crossword clues for the word: SOUNDOFF The word SOUNDOFF has appeared as an answer to at least 6 crossword clues on different crossword puzzles. Crossword clues for SOUNDOFF Showing 1 to 6 of 6 results Clue(s) ... hitting the mute button? Express one's opinion in no uncertain terms Respond at roll call Speak freely and frankly Speak loudly: Slang. U. S. Army parade ritual.