- (n.) An invariable quantity; a constant.
- (a.) Not given to variation or change; unalterable; unchangeable; always uniform.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). invariable. Retrieved September 20, 2026, from http://smartdefine.org/invariable/definitions/2023386 |
| Chicago | Webster's. 2011. "invariable" http://smartdefine.org/invariable/definitions/2023386 (accessed September 20, 2026). |
| Harvard | Webster's 2011, invariable, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/invariable/definitions/2023386>. |
| MLA | Webster's. "invariable" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/invariable/definitions/2023386> |