shut up
Britishverb
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(tr) to prevent all access to
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(tr) to confine or imprison
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informal to cease to talk or make a noise or cause to cease to talk or make a noise: often used in commands
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(intr) (of horses in a race) to cease through exhaustion from maintaining a racing pace
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Imprison, confine, enclose, as in The dog was shut up in the cellar for the night , or She shut up her memories and never talked about the past . [c. 1400]
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Close completely, as in The windows were shut up tightly so no rain came in . [Early 1500s] This usage also occurs in shut up shop , meaning “close the premises of a business,” as in It's late, let's shut up shop now . [Late 1500s] Also see close up , def. 3.
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Cause someone to stop speaking, silence someone, as in It's time someone shut him up . [Early 1800s]
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Stop speaking, as in I've told you what I think and now I'll shut up . This usage also occurs as a rather rude imperative, as in Shut up! You've said enough . [First half of 1800s]
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Belfast city centre was deserted after many businesses shut up shop by lunchtime.
From BBC ● Jun. 10, 2026
But regardless of the private enforceability issue, the court clearly wants everyone to shut up and pretend that Callais is business as usual.
From Slate ● May 19, 2026
Wanting Charlie Kirk to shut up wasn’t the same as wanting him dead.
From Salon ● May 8, 2026
Ms. Zenovich possesses the interviewer’s most valuable skill, knowing when to shut up.
From The Wall Street Journal ● Mar. 31, 2026
We all shut up at the same time and stared at her.
From "When I Was Puerto Rican" by Esmeralda Santiago
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.