(a.) Ignorant or negligent of the rules of logic or correct reasoning; as, an illogical disputant; contrary of the rules of logic or sound reasoning; as, an illogical inference.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). illogical. Retrieved September 21, 2026, from http://smartdefine.org/illogical/definitions/2018988 |
| Chicago | Webster's. 2011. "illogical" http://smartdefine.org/illogical/definitions/2018988 (accessed September 21, 2026). |
| Harvard | Webster's 2011, illogical, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/illogical/definitions/2018988>. |
| MLA | Webster's. "illogical" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/illogical/definitions/2018988> |