shut one's mouth

Definitions of shut one's mouth
1

v refrain from divulging sensitive information; keep quiet about confidential information

Synonyms:
keep one's mouth shut, keep quiet
Antonyms:
babble, babble out, blab, blab out, let the cat out of the bag, peach, sing, spill the beans, talk, tattle
divulge confidential information or secrets
spill, talk
reveal information
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