- (n.) See 1st Rigor, 2.
- (n.) Exactness without allowance, deviation or indulgence; strictness; as, the rigor of criticism; to execute a law with rigor; to enforce moral duties with rigor; -- opposed to lenity.
- (n.) The becoming stiff or rigid; the state of being rigid; rigidity; stiffness; hardness.
- (n.) Severity of life; austerity; voluntary submission to pain, abstinence or mortification.
- (n.) Stiffness of opinion or temper; rugged sternness; hardness; relentless severity; hard-heartedness; cruelty.
- (n.) Severity of climate or season; inclemency; as, the rigor of the storm; the rigors of winter.
- (n.) A sense of chilliness, with contraction of the skin; a convulsive shuddering or tremor, as in the chill preceding a fever.
- (n.) Rigidity; stiffness.
- (n.) Violence; force; fury.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). rigor. Retrieved September 22, 2026, from http://smartdefine.org/rigor/definitions/2056062 |
| Chicago | Webster's. 2011. "rigor" http://smartdefine.org/rigor/definitions/2056062 (accessed September 22, 2026). |
| Harvard | Webster's 2011, rigor, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/rigor/definitions/2056062>. |
| MLA | Webster's. "rigor" 28 May 2011. Web. 22 September 2026. <http://smartdefine.org/rigor/definitions/2056062> |