(n.) A kind of mental unsoundness characterized by extreme depression of spirits, ill-grounded fears, delusions, and brooding over one particular subject or train of ideas.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). melancholia. Retrieved September 25, 2026, from http://smartdefine.org/melancholia/definitions/2031548 |
| Chicago | Webster's. 2011. "melancholia" http://smartdefine.org/melancholia/definitions/2031548 (accessed September 25, 2026). |
| Harvard | Webster's 2011, melancholia, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/melancholia/definitions/2031548>. |
| MLA | Webster's. "melancholia" 27 May 2011. Web. 25 September 2026. <http://smartdefine.org/melancholia/definitions/2031548> |