Crossword solverSynonyms for shut up22 crossword answers for “shut up” (4,2), sorted by letter count.How many letters?All223144516676843 letters 1gag4 letters 4locklullhushpent5 letters 1close6 letters 6hush up(4,2)muzzlelock up(4,2)belt up(4,2)clam up(4,2)lock in(4,2)7 letters 6put away(3,4)close up(5,2)quietendummy up(5,2)be quiet(2,5)keep mum(4,3)8 letters 4calm down(4,4)confinedbutton up(6,2)lock away(4,4)