- (adv.) Against the affirmative side; in opposition; on the negative side; -- The antithesis of pro, and usually in connection with it. See Pro.
- (v.t.) To know; to understand; to acknowledge.
- (v.t.) To study in order to know; to peruse; to learn; to commit to memory; to regard studiously.
- (v.t.) To conduct or superintend the steering of (a vessel); to watch the course of (a vessel) and direct the helmsman how to steer.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). con. Retrieved September 21, 2026, from http://smartdefine.org/con/definitions/1989810 |
| Chicago | Webster's. 2011. "con" http://smartdefine.org/con/definitions/1989810 (accessed September 21, 2026). |
| Harvard | Webster's 2011, con, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/con/definitions/1989810>. |
| MLA | Webster's. "con" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/con/definitions/1989810> |