noun
- Calm and unruffled self-assurance.
- usage: "he performed with all the coolness of a veteran"
- synonyms: coolness, imperturbability
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). imperturbableness. Retrieved September 20, 2026, from http://smartdefine.org/imperturbableness/definitions/1286696 |
| Chicago | WordNet. 2010. "imperturbableness" http://smartdefine.org/imperturbableness/definitions/1286696 (accessed September 20, 2026). |
| Harvard | WordNet 2010, imperturbableness, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/imperturbableness/definitions/1286696>. |
| MLA | WordNet. "imperturbableness" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/imperturbableness/definitions/1286696> |