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Definition of "impulsive" []

  • Inclined to act on impulse rather than thought. (adjective)
  • Motivated by or resulting from impulse: such impulsive acts as hugging strangers; impulsive generosity. See Synonyms at spontaneous. (adjective)
  • Having force or power to impel or incite; forceful. (adjective)
  • Physics Acting within brief time intervals. Used especially of a force. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "impulsive" in a sentence
  • "Practical and impulsive is what I would describe myself as."
  • "Without the ability to restrain impulsive behavior, you're like a capuchin on crack, lurching from this random item to the next, and before you know it you have an absentee life."
  • "Intermittent Explosive Disorder IED is an extremely rare behavioral disorder characterized by impulsive acts of aggression."