- (n.) The quality or state of being rigid; want of pliability; the quality of resisting change of form; the amount of resistance with which a body opposes change of form; -- opposed to flexibility, ductility, malleability, and softness.
- (n.) Stiffness of appearance or manner; want of ease or elegance.
- (n.) Severity; rigor.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). rigidity. Retrieved September 22, 2026, from http://smartdefine.org/rigidity/definitions/2056053 |
| Chicago | Webster's. 2011. "rigidity" http://smartdefine.org/rigidity/definitions/2056053 (accessed September 22, 2026). |
| Harvard | Webster's 2011, rigidity, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/rigidity/definitions/2056053>. |
| MLA | Webster's. "rigidity" 28 May 2011. Web. 22 September 2026. <http://smartdefine.org/rigidity/definitions/2056053> |