Definition of "shut up" [shut up]

• To close (a building) so that no one can enter. (verb)
• To terminate (a business). (verb)
• To enclose (a person, animal or thing) in a room or other place so that it cannot leave. (verb)
• To put (an object) in a secure enclosed place. (verb)
• Of a person, to stop talking or (of a person or thing) making noise. (verb)

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• "Such experiments as those of Thorndike (on hungry cats shut up in a cage and forced to learn the way out to food) are easily explained by the gradual stereotyping of association between visual impression and motor response, to the exclusion of other random associations."
• "Tea-laden ships were sent to Boston, New York, Philadelphia, and Charleston, but in every case except one, popular demonstrations prevented the landing of their cargo or obliged it to be shut up in warehouses with the duty unpaid."
• "But Munson took pride in his toughness; Darrell Munson had taught him to suck it up, to shut up about the pain and play on, and so he did."