Shut up' is an expression used to demand someone to stop talking. The crossword solutions for this term include HUSHED (6 letters), GAG (3 letters), MEW (3 letters), CLAM (4 letters), COOP (4 letters), HUSH (4 letters), pent (4 letters), SEAL (4 letters), CAGED (5 letters), canit (5 letters), embar (5 letters), penin (5 letters), zipit (5 letters), sealed (6 letters), stowit (6 letters), clammed (7 letters), SILENCE (7 letters), buttonit (8 letters), cannedit (8 letters), closeted (8 letters), silenced (8 letters), zipyourlip (10 letters), putalidonit (11 letters), buttonyourlip (13 letters), holdyourtongue (14 letters), notanotherword (14 letters). These words all have the same meaning as 'shut up' and are used to express the same sentiment.