RIGOROUSNESS

severity, severeness, harshness, rigor, rigour, rigorousness, rigourousness, inclemency, hardness, stiffness

(noun) excessive sternness; “severity of character”; “the harshness of his punishment was inhuman”; “the rigors of boot camp”

asperity, grimness, hardship, rigor, rigour, severity, severeness, rigorousness, rigourousness

(noun) something hard to endure; “the asperity of northern winters”

Source: WordNet® 3.1

Etymology

Noun

rigorousness (usually uncountable, plural rigorousnesses)

The property of being rigorous, strictness.

Source: Wiktionary

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