- (n.) A property possessed by a moving body in virtue of its weight and its motion; the force with which any body is driven or impelled; momentum.
- (n.) The aititude through which a heavy body must fall to acquire a velocity equal to that with which a ball is discharged from a piece.
- (n.) Fig.: Impulse; incentive; vigor; force.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). impetus. Retrieved September 21, 2026, from http://smartdefine.org/impetus/definitions/2019596 |
| Chicago | Webster's. 2011. "impetus" http://smartdefine.org/impetus/definitions/2019596 (accessed September 21, 2026). |
| Harvard | Webster's 2011, impetus, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/impetus/definitions/2019596>. |
| MLA | Webster's. "impetus" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/impetus/definitions/2019596> |