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.


  1. characterized by actions based on sudden desires, whims, or inclinations rather than careful thoughtan impulsive man
  2. based on emotional impulses or whims; spontaneousan 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

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.


  1. Inclined or tending to act on impulse rather than thought.
  2. Motivated by or resulting from impulse.

Leave a Reply

Your email address will not be published. Required fields are marked *

53 queries 2.153