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