cataclysmic
ca·tac·lys·mic
adjective
1.
- “cataclysmic nuclear war”
- “a cataclysmic earthquake”
Origin
From cataclysm + -ic.
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.