Definition of shut one's mouthinformal
- She angrily told him to shut his mouth.
: to move into position to close an opening
: to prevent entrance to or passage to or from
: to confine by or as if by enclosure
: closed, fastened, or folded together
: rid, clear, free
: the act of shutting
: 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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