'rigourousness' definitions:

Something hard to endure; "the asperity of northern winters" [syn: asperity, grimness, hardship, rigor, rigour, severity, severeness, rigorousness, rigourousness]

Excessive sternness; "severity of character"; "the harshness of his punishment was inhuman"; "the rigors of boot camp" [syn: severity, severeness, harshness, rigor, rigour, rigorousness, rigourousness, inclemency, hardness, stiffness]