ab·rupt

[uh-bruhpt]
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:
1575–85; < Latin abruptus broken off (past participle of abrumpere), equivalent to ab- ab- + -rup- break + -tus past participle suffix

ab·rupt·ly, adverb
ab·rupt·ness, noun
un·ab·rupt·ly, adverb


1, 3. quick, sharp. See sudden. 2. short, hurried, hasty, blunt. 4. discontinuous, broken, uneven.


1, 3. gradual. 2. deliberate; patient, courteous.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To abruptness
00:10
Abruptness is always a great word to know.
So is lollapalooza. Does it mean:
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
the offspring of a zebra and a donkey.
Collins
World English Dictionary
abrupt (əˈbrʌpt) [Click for IPA pronunciation guide]
 
adj
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
 
[C16: from Latin abruptus broken off, from ab-1 + rumpere to break]
 
ab'ruptly
 
adv
 
ab'ruptness
 
n

abrupt (əˈbrʌpt) [Click for IPA pronunciation guide]
 
adj
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
 
[C16: from Latin abruptus broken off, from ab-1 + rumpere to break]
 
ab'ruptly
 
adv
 
ab'ruptness
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

abrupt
1580s, from L. abruptus "broken off, precipitous, disconnected," pp. of abrumpere "break off," from ab- "off" + rumpere "break" (see rupture). Related: Abruptly.
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
The second loss mechanism is the abruptness in flashing of liquid to vapor.
The abruptness of the continuity suggests that the film was originally much
  longer than its present two hours.
Abruptness and asymmetry of seasonal fluctuations could depend on climate and
  other factors.
After these areas of his body, however, the difficulty increased with the
  abruptness of a coastal shelf.
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