Rigour
WordNet
noun
(1) Excessive sternness
"Severity of character"
"The harshness of his punishment was inhuman"
"The rigors of boot camp"
(2) Something hard to endure
"The asperity of northern winters"
(3) The quality of being logically valid
WiktionaryText
Etymology
< < < < . Compare to French .
Noun
- a harsh or severe experience.
- a trembling or shivering response.
- character of being unyielding or inflexible.
- shrewd questioning
- higher level of difficulty
- . An abbreviated form of rigour mortis.