- (a.) The quality of being fugacious; fugaclousness; volatility; as, fugacity of spirits.
- (a.) Uncertainty; instability.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). fugacity. Retrieved September 20, 2026, from http://smartdefine.org/fugacity/definitions/2010554 |
| Chicago | Webster's. 2011. "fugacity" http://smartdefine.org/fugacity/definitions/2010554 (accessed September 20, 2026). |
| Harvard | Webster's 2011, fugacity, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/fugacity/definitions/2010554>. |
| MLA | Webster's. "fugacity" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/fugacity/definitions/2010554> |