Definition of keep one's mouth shut
- When he starts talking about politics, I just keep my mouth shut.
- She told me to keep my mouth shut about the news.
- I never tell him anything important because he doesn't know how to keep his mouth shut.
: to retain in one's possession or power
: to refrain from granting, giving, or allowing
: to have in control
: the means or provisions by which one is kept
: one that keeps or protects: such as
: fortress, castle
: the natural opening through which food passes into the body of an animal and which in vertebrates is typically bounded externally by the lips and internally by the pharynx and encloses the tongue, gums, and teeth
: an individual requiring food
: speak, pronounce
: to utter bombastically : declaim
: to repeat without comprehension or sincerity
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