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abrupt

[uh-bruhpt] /əˈbrʌpt/
adjective
1.
sudden or unexpected:
an abrupt departure.
2.
curt or brusque in speech, manner, etc.:
an abrupt reply.
3.
terminating or changing suddenly:
an abrupt turn in a road.
4.
having many sudden changes from one subject to another; lacking in continuity or smoothness:
an abrupt writing style.
5.
steep; precipitous:
an abrupt descent.
6.
Botany, truncate (def 4).
Origin
1575-1585
1575-85; < Latin abruptus broken off (past participle of abrumpere), equivalent to ab- ab- + -rup- break + -tus past participle suffix
Related forms
abruptly, adverb
abruptness, noun
unabruptly, adverb
Synonyms
1, 3. quick, sharp. See sudden. 2. short, hurried, hasty, blunt. 4. discontinuous, broken, uneven.
Antonyms
1, 3. gradual. 2. deliberate; patient, courteous.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for abruptness
  • The hallmark would be the scale and abruptness of change in any given ecosystem.
  • After these areas of his body, however, the difficulty increased with the abruptness of a coastal shelf.
  • The abruptness of this departure was never equalled in other cars of the period.
  • Their dialogue-what there is of it-is usually in monotones, and there is a monotony in the abruptness of the cutting.
  • The abruptness of the continuity suggests that the film was originally much longer than its present two hours.
  • He is a slow-moving, slow-thinking creature in a world defined by speed and abruptness.
  • Shows insensitivity and abruptness toward customers.
  • The second loss mechanism is the abruptness in flashing of liquid to vapor.
  • First is the timing and abruptness of the discharge, two working days or less after the workers engaged in protected activities.
  • abruptness and asymmetry of seasonal fluctuations could depend on climate and other factors.
British Dictionary definitions for abruptness

abrupt

/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
Derived Forms
abruptly, adverb
abruptness, noun
Word Origin
C16: from Latin abruptus broken off, from ab-1 + rumpere to break
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
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Word Origin and History for abruptness

abrupt

adj.

1580s, from Latin abruptus "broken off, precipitous, disconnected," past participle of abrumpere "break off," from ab- "off" (see ab-) + rumpere "break" (see rupture (n.)). Related: Abruptly; abruptness.

Online Etymology Dictionary, © 2010 Douglas Harper
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