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abrupt

American  
[uh-bruhpt] / əˈbrʌpt /

adjective

  1. sudden or unexpected.

    an abrupt departure.

    Synonyms:
    sharp, quick
    Antonyms:
    gradual
  2. curt or brusque in speech, manner, etc..

    an abrupt reply.

    Synonyms:
    blunt, hasty, hurried, short
    Antonyms:
    courteous, patient, deliberate
  3. terminating or changing suddenly.

    an abrupt turn in a road.

    Synonyms:
    sharp, quick
    Antonyms:
    gradual
  4. having many sudden changes from one subject to another; lacking in continuity or smoothness.

    an abrupt writing style.

    Synonyms:
    uneven, broken, discontinuous
  5. steep; precipitous.

    an abrupt descent.

  6. Botany. truncate.


abrupt British  
/ əˈbrʌpt /

adjective

  1. sudden; unexpected

  2. brusque or brief in speech, manner, etc; curt

  3. (of a style of writing or speaking) making sharp transitions from one subject to another; disconnected

  4. precipitous; steep

  5. botany shaped as though a part has been cut off; truncate

  6. geology (of strata) cropping out suddenly

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Related Words

See sudden.

Other Word Forms

Etymology

Origin of abrupt

First recorded in 1575–85; from Latin abruptus “broken off”(past participle of abrumpere ), equivalent to ab- ab- + -rup- “break” + -tus past participle suffix

Explanation

An abrupt decision is one you make suddenly. An abrupt halt is one the Road Runner comes to when reaching an abrupt drop-off — you'd hear brakes squealing. Because being abrupt with someone is often a way of showing them that you are angry, you often apologize for the appearance of it. "I'm sorry I was abrupt. I was rushing to get to class." The root of abrupt is Latin rumpere "to break," which also gives us rupture "break" and interrupt "break into."

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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.

At a closed-door meeting in February, dealers demanded answers about Stellantis’s strategy with Carvana, and tension over the issue brought the meeting to an abrupt close, according to dealers who were present.

From The Wall Street Journal • May 18, 2026

The deal, which has not yet closed, represented an abrupt change of course for TMTG.

From MarketWatch • May 18, 2026

But this year felt different for some, after the abrupt cancellation of the Long Beach Pride Festival hours before it was set to kick off.

From Los Angeles Times • May 17, 2026

Last week’s abrupt departure of the United Arab Emirates from the organization after six decades is just the latest crack in OPEC’s front.

From Barron's • May 7, 2026

We laughed, knowing exactly who was to blame for the caretakers’ abrupt departures.

From "The Old Willis Place" by Mary Downing Hahn

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