Definition of impulsive in English:

impulsive

Syllabification: im·pul·sive
Pronunciation: /imˈpəlsiv
 
/

adjective

1Acting or done without forethought: they had married as young impulsive teenagers perhaps he’s regretting his impulsive offer
More example sentences
  • People who are mentally unstable, especially impulsive teenagers, are predisposed to suicide.
  • She and Sam are alike: impulsive, creative, mercurial and entertaining, but they never pay any attention to anybody else.
  • Both were hasty, erratic, impulsive men and capable of atrocious judgment.
Synonyms
impetuous, spontaneous, hasty, passionate, emotional, uninhibited;
impromptu, snap, spontaneous, unpremeditated, spur-of-the-moment, extemporaneous;
sudden, ill-considered, ill-thought-out, whimsical
2 Physics Acting as an impulse.
More example sentences
  • It turns out that most of the sounds are various manifestations of impulsive radio emissions from lightning.
  • An impulsive VHF event occurs, and the radiation from it arrives at a given remote station.

Origin

late Middle English (in the sense 'tending to impel'): from French impulsif, -ive or late Latin impulsivus, from Latin impuls- 'driven onward' (see impulse). sense 1 dates from the mid 18th century.

Derivatives

impulsively

adverb
More example sentences
  • He did not know why he rashly and impulsively went back to his old ways and took part in the burglary.
  • I rushed into it impulsively, not really knowing the sort of responsibility involved with such a task.
  • She impulsively married a longtime friend with little, or no, thought about what she was doing.

impulsiveness

noun
More example sentences
  • It was just a random act of impulsiveness, I reasoned.
  • He would ground her flightiness and her impulsiveness and she would lighten his sometimes-sober demeanour.
  • So the public has recognized that adolescents, by their nature, are less mature than adults, and that the impulsiveness and poor judgment of youth are mitigating factors that should exempt teenagers from the ultimate punishment.

impulsivity

Pronunciation: /ˌimˌpəlˈsivitē/
noun
More example sentences
  • ‘Inattention, impulsivity, fidgety movement - these are definitely symptoms,’ she said
  • The scientific explanation for addictive personality places importance on that fact that the frontal lobes in the brain may underlie impulsivity.
  • It also works with people who have a wide range of special needs, such as emotional or behavioural problems, impulsivity, or restlessness.

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