adjective
- Severely destructive.
- usage: "cataclysmic nuclear war"; "a cataclysmic earthquake"
- synonyms: cataclysmic
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). cataclysmal. Retrieved September 21, 2026, from http://smartdefine.org/cataclysmal/definitions/1170323 |
| Chicago | WordNet. 2010. "cataclysmal" http://smartdefine.org/cataclysmal/definitions/1170323 (accessed September 21, 2026). |
| Harvard | WordNet 2010, cataclysmal, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/cataclysmal/definitions/1170323>. |
| MLA | WordNet. "cataclysmal" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/cataclysmal/definitions/1170323> |