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impulsive

[im-puhl-siv] /ɪmˈpʌl sɪv/
adjective
1.
actuated or swayed by emotional or involuntary impulses:
an impulsive child.
2.
having the power or effect of impelling; characterized by impulsion:
impulsive forces.
3.
inciting to action:
the impulsive effects of a revolutionary idea.
4.
Mechanics. (of forces) acting momentarily; not continuous.
Origin
late Middle English
1375-1425
1375-1425 for an earlier sense; 1545-55 for current senses; late Middle English impulsif < Medieval Latin impulsīvus. See impulse, -ive
Related forms
impulsively, adverb
impulsiveness, impulsivity, noun
nonimpulsive, adjective
nonimpulsively, adverb
nonimpulsiveness, noun
unimpulsive, adjective
unimpulsively, adverb
Can be confused
compulsive, impulsive, impetuous (see synonym study at impetuous)
Synonyms
1. rash, quick, hasty. See impetuous.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for impulsive
  • As he turned to go she spoke his name softly and with an impulsive movement took hold of his hand.
  • But building both is paramount and possible, if politicians focus on leadership rather than placating impulsive voters.
  • Something about the dizzying lights mixed with being broke among successful entrepreneurs made us feel mischievous and impulsive.
  • But she is also ruthless, impulsive, and generally maddening to everyone who tries to help her.
  • Some individuals, even though impulsive early on, become more mature.
  • Possibly the best benefit is that it tends to diminish impulsive anger somewhat.
  • We can describe it as being overly anxious or in the case of bulimia-impulsive.
  • The brain stem circuitry of human beings are as automatic as the impulsive behaviour of animals.
  • There's no doubt that killing with a weapon, whether impulsive or premeditated, is opportunistic.
  • His best works star himself as a peripatetic and impulsive poetic soul.
British Dictionary definitions for impulsive

impulsive

/ɪmˈpʌlsɪv/
adjective
1.
characterized by actions based on sudden desires, whims, or inclinations rather than careful thought: an impulsive man
2.
based on emotional impulses or whims; spontaneous: an impulsive kiss
3.
forceful, inciting, or impelling
4.
(of physical forces) acting for a short time; not continuous
5.
(of a sound) brief, loud, and having a wide frequency range
Derived Forms
impulsively, adverb
impulsiveness, noun
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 impulsive
adj.

early 15c., originally in reference to medicine that reduces swelling or humors, from Middle French impulsif or directly from Medieval Latin impulsivus, from Latin impuls-, past participle stem of impellere (see impel). Of persons, "rash, characterized by impulses," from 1847.

Online Etymology Dictionary, © 2010 Douglas Harper
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impulsive in Medicine

impulsive im·pul·sive (ĭm-pŭl'sĭv)
adj.

  1. Inclined or tending to act on impulse rather than thought.

  2. Motivated by or resulting from impulse.


im·pul'sive·ness or im'pul·siv'i·ty n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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