Other crossword clues for answer "CLAMUP"CLAMUPDon't say anything... but they always quiet themselves when I tell them to ___Suddenly be quietRefuse to talkCease talkingShut one's trapKeep mumGive nothing awayRefuse to answer questionsSay nothingButton one's lipStop talkingPlay dumbQuit talkingWithhold informationStop respondingZip one's lipHush one's mouthRefuse to speakDon't say a word!Become closemouthedGet quiet