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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

Synonym Usage

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.

Silver prices have dropped almost 50% from their record peak in January after a trading frenzy in the metal came to an abrupt end.

From MarketWatch • Jul. 6, 2026

Witnessing the abrupt ending to a political career is never an edifying spectacle.

From Salon • Jun. 24, 2026

But that came to an abrupt end after a seven-minute tirade by Sandilands on 20 February, in which he accused Henderson of being "off with the fairies" and not pulling her weight at work.

From BBC • Jun. 17, 2026

Then, when the onslaught of worry and annoyance over my Vibe’s abrupt damage subsided, I started to crunch the numbers.

From The Wall Street Journal • Jun. 13, 2026

“Goodness, you magpies,” he said into the abrupt silence that fell.

From "The Secret History" by Donna Tartt

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