noun
- A person who is responsible for the deaths of many victims in a single incident. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). mass murderer. Retrieved September 21, 2026, from http://smartdefine.org/mass_murderer/definitions/1230938 |
| Chicago | WordNet. 2010. "mass murderer" http://smartdefine.org/mass_murderer/definitions/1230938 (accessed September 21, 2026). |
| Harvard | WordNet 2010, mass murderer, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/mass_murderer/definitions/1230938>. |
| MLA | WordNet. "mass murderer" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/mass_murderer/definitions/1230938> |