shut one's mouth

Definitions of shut one's mouth
  1. verb
    refrain from divulging sensitive information; keep quiet about confidential information
    synonyms: keep one's mouth shut, keep quiet
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    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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