- (n.) The act of impelling or driving onward with sudden force; impulsion; especially, force so communicated as to produced motion suddenly or immediately.
- (v.t.) To impel; to incite.
- (n.) The action of a force during a very small interval of time; the effect of such action; as, the impulse of a sudden blow upon a hard elastic body.
- (n.) A mental force which simply and directly urges to action; hasty inclination; sudden motive; momentary or transient influence of appetite or passion; propension; incitement; as, a man of good impulses; passion often gives a violent impulse to the will.
- (n.) The effect of an impelling force; motion produced by a sudden or momentary force.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). impulse. Retrieved September 20, 2026, from http://smartdefine.org/impulse/definitions/2019917 |
| Chicago | Webster's. 2011. "impulse" http://smartdefine.org/impulse/definitions/2019917 (accessed September 20, 2026). |
| Harvard | Webster's 2011, impulse, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/impulse/definitions/2019917>. |
| MLA | Webster's. "impulse" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/impulse/definitions/2019917> |