- (n.) The act or means of communicating any influence to the mind or heart; as, the contagion of enthusiasm.
- (n.) That which serves as a medium or agency to transmit disease; a virus produced by or exhalation proceeding from, a diseased person, and capable of reproducing the disease.
- (n.) The transmission of a disease from one person to another, by direct or indirect contact.
- (n.) Venom; poison.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). Contagion. Retrieved September 21, 2026, from http://smartdefine.org/contagion/definitions/1990884 |
| Chicago | Webster's. 2011. "Contagion" http://smartdefine.org/contagion/definitions/1990884 (accessed September 21, 2026). |
| Harvard | Webster's 2011, Contagion, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/contagion/definitions/1990884>. |
| MLA | Webster's. "Contagion" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/contagion/definitions/1990884> |