impulse is on the Basic English 850 List.
important - impulse - in

Pronunciation change

Noun change

Singular
impulse

Plural
impulses

  1. A desire to do something.
    The impulse to learn led me to study day and night.
  2. A thrust; a push; a sudden force.
    Pushing an object gives it an impulse.
  3. (physics) The effect (integral) of force over time.
    The total impulse from the impact will depend on the kinetic energy of the bullet.

Related words change