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impulse

  • noun
  • im·pulse
  • /ˈɪmpʌls/

A thrust; a push; a sudden force that impels.

Other meanings

  1. A wish or urge, particularly a sudden one prompting action.

    “When I saw the new book, I couldn't resist the impulse to browse through it.”

  2. The integral of force over time.

    “The total impulse from the impact will depend on the kinetic energy of the projectile.”

Related words

  • counterimpulse
  • impulseless
  • impulse buyer
  • impulse good
  • impulse noise
  • impulse buy
  • impulse buying
  • impulse control disorder
  • impulse function
  • impulse purchase
  • impulse response
  • specific impulse

Example sentences

  • “I have an impulse control problem.”

    Tatoeba · shekitten · CC0

Word history

From Latin "impulsus".

Where this comes from

This definition is adapted from “impulse” on Wiktionary, by its contributors; example sentences are from Tatoeba, credited to their authors above, published under CC BY-SA 4.0. This page is published under the same licence.