What is the meaning of rigor?

Something hard to endure.
- usage: "the asperity of northern winters"
- synonyms: asperity, grimness, hardship, rigour, severity, severeness, rigorousness, rigourousness
The quality of being valid and rigorous.
- synonyms: cogency, validity, rigour
Excessive sternness.
- usage: "severity of character"; "the harshness of his punishment was inhuman"; "the rigors of boot camp"
- synonyms: severity, severeness, harshness, rigour, rigorousness, rigourousness, inclemency, hardness, stiffness

|15 years ago|1.3k views|share |citing

APA	WordNet. (2010). rigor. Retrieved September 22, 2026, from http://smartdefine.org/rigor/definitions/1306975
Chicago	WordNet. 2010. "rigor" http://smartdefine.org/rigor/definitions/1306975 (accessed September 22, 2026).
Harvard	WordNet 2010, rigor, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/rigor/definitions/1306975>.
MLA	WordNet. "rigor" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/rigor/definitions/1306975>

Alternative definitions by