close up, clam up, dummy up, shut up, belt up, button up, be quiet, keep mum(verb)
refuse to talk or stop talking; fall silent
"The children shut up when their father approached"
block, shut away, belt up, hush, button up, dummy, impede, lock away, lock up, hush up, be quiet, still, dummy up, clam up, close up, keep mum, close, close down, obstruct, put away, lock in, fold, obturate, lock, shut down, quieten, shut up, jam, silence, occlude
Find a translation for the belt up synonym in other languages:
Select another language: