(n.) One who knows everything; hence, one who makes pretension to great knowledge; a wiseacre; -- usually ironical.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). know-all. Retrieved September 22, 2026, from http://smartdefine.org/know-all/definitions/2025782 |
| Chicago | Webster's. 2011. "know-all" http://smartdefine.org/know-all/definitions/2025782 (accessed September 22, 2026). |
| Harvard | Webster's 2011, know-all, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/know-all/definitions/2025782>. |
| MLA | Webster's. "know-all" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/know-all/definitions/2025782> |