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Meaning of word keep one's mouth shut from English dictionary with examples, synonyms and antonyms.

Meaning : Refrain from divulging sensitive information. Keep quiet about confidential information.

Example : Don't tell him any secrets--he cannot keep his mouth shut!.

Synonyms : keep quiet, shut one's mouth

Divulge confidential information or secrets.

Be careful--his secretary talks.
babble, babble out, blab, blab out, let the cat out of the bag, peach, sing, spill the beans, talk, tattle