- (n.) Specie or coin, as distinguished from paper currency; -- a term used in many parts of Europe.
- (n.) One who is capable of active service.
- (n.) That which produces a given effect; a cause.
- (a.) Having the power to produce an effect or effects; producing a decided or decisive effect; efficient; serviceable; operative; as, an effective force, remedy, speech; the effective men in a regiment.
- (n.) The serviceable soldiers in a country; an army or any military body, collectively; as, France's effective.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). effective. Retrieved September 21, 2026, from http://smartdefine.org/effective/definitions/2001717 |
| Chicago | Webster's. 2011. "effective" http://smartdefine.org/effective/definitions/2001717 (accessed September 21, 2026). |
| Harvard | Webster's 2011, effective, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/effective/definitions/2001717>. |
| MLA | Webster's. "effective" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/effective/definitions/2001717> |