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shut up

shut up

 
See:
shut
features:
Language Note
part of speech: phrase
definition: to stop talking or make (someone) stop talking.
He shut up when I walked in.
synonyms:
hush, quiet
similar words:
clam up, gag, muzzle, silence
Language Note
When used in the imperative, "Shut up!" in the third sense is considered rude or very informal. "Be quiet" is a more respectful way of telling someone to stop talking.