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Synonyms

impulsive

American  
[im-puhl-siv] / ɪmˈpʌl sɪv /

adjective

  1. actuated or swayed by emotional or involuntary impulses.

    an impulsive child.

    Synonyms:
    hasty, quick, rash
  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.


impulsive British  
/ 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

"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

Related Words

See impetuous.

Other Word Forms

  • impulsively adverb
  • impulsiveness noun
  • impulsivity noun
  • nonimpulsive adjective
  • nonimpulsively adverb
  • unimpulsive adjective
  • unimpulsively adverb

Etymology

Origin of impulsive

First recorded in 1375–1425 for an earlier sense; 1545–55 for current senses; late Middle English impulsif, from Medieval Latin impulsīvus; impulse, -ive

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.

With about one in six Parkinson's patients on the drugs affected by impulsive behaviour of some kind, the side effects would be classed as "very common".

From BBC

A resulting court case would hear Andrew's impulsive behaviour was caused by medication he was being prescribed for Parkinson's disease.

From BBC

The judge said Harris's actions were not impulsive but "calculating", while Donachie was told he could leave the dock as he had already spent six months in prison on remand.

From BBC

The initial results didn’t describe me: difficulty holding down a job; impulsive; unfinished projects; car accidents; a life of chaos!

From The Wall Street Journal

"The patient is mostly angry, impulsive, bitter," she says, reading some of the first notes her therapist wrote about their sessions.

From BBC