break up
Britishverb
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to separate or cause to separate
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to put an end to (a relationship) or (of a relationship) to come to an end
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to dissolve or cause to dissolve; disrupt or be disrupted
the meeting broke up at noon
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(intr) (of a school) to close for the holidays
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(intr) (of a person making a telephone call) to be inaudible at times, owing to variations in the signal
you're breaking up
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informal to lose or cause to lose control of the emotions
the news of his death broke her up
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slang to be or cause to be overcome with laughter
noun
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a separation or disintegration
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in the Canadian north, the breaking up of the ice on a body of water that marks the beginning of spring
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this season
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Divide into many pieces; disintegrate. For example, Now break up the head of garlic into separate cloves . [Mid-1700s]
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Interrupt the continuity of something, as in A short walk will break up the long morning .
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Also, break it up . Scatter, disperse, as in The crowd broke up as soon as they reached the streets . [Late 1400s] This phrase is also used as an imperative, as in “Break it up!” shouted the police officer . [c. 1930]
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Bring or come to an end, as in His gambling was bound to break up their marriage .
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Also, break someone up . Burst into or cause one to burst into an expression of feeling, such as laughter or tears. For example, His jokes always break me up , or That touching eulogy broke us all up , or I looked at her and just broke up . The precise meaning depends on the context. This sense grew out of a usage from the early 1800s that meant “upset” or “disturb.” [ Colloquial ; early 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.
Analysts saw Lores’s history helping to break up Hewlett-Packard and then managing HP as clues of what could be in store for PayPal.
From The Wall Street Journal ● Jul. 19, 2026
At the dinner where she thinks he’s going to pop the question, Warner blindsides her instead when he announces he wants to break up.
From Salon ● Jul. 6, 2026
The Belarusian - who had been a break up in the deciding set - was right.
From BBC ● Jul. 5, 2026
Murphy lays out a provocative agenda for Democrats to call Americans to national service, break up corporate power, rebuild local communities, and create a bigger tent that reaches disaffected conservatives hungry for change.
From Slate ● Jun. 25, 2026
Bram's going to break up with you when he hears you sing?
From "Leah on the Offbeat" by Becky Albertalli
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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.