rigor meaning and definition

RIGOR noun

Definition of rigor (noun)

1. something hard to endure
   • "the asperity of northern winters"
   • synonyms: asperity, grimness, hardship, rigorousness, rigour, rigourousness, severeness, severity
2. the quality of being valid and rigorous
   • synonyms: cogency, rigour, validity
3. excessive sternness
   • "severity of character"; "the harshness of his punishment was inhuman"; "the rigors of boot camp"
   • synonyms: hardness, harshness, inclemency, rigorousness, rigour, rigourousness, severeness, severity, stiffness