Textual thesaurus for "rigor"

(noun) rigorousness, rigour, rigourousness, severeness, severity, inclemency, hardness, harshness, stiffness

excessive sternness

severity of character; the harshness of his punishment was inhuman; the rigors of boot camp

(noun) asperity, severeness, severity, hardship, grimness, rigorousness, rigour, rigourousness

something hard to endure

the asperity of northern winters

(noun) rigour, validity, cogency

the quality of being valid and rigorous