(n.) Derangement of the mind in regard of a single subject only; also, such a concentration of interest upon one particular subject or train of ideas to show mental derangement.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). monomania. Retrieved September 20, 2026, from http://smartdefine.org/monomania/definitions/2034196 |
| Chicago | Webster's. 2011. "monomania" http://smartdefine.org/monomania/definitions/2034196 (accessed September 20, 2026). |
| Harvard | Webster's 2011, monomania, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/monomania/definitions/2034196>. |
| MLA | Webster's. "monomania" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/monomania/definitions/2034196> |