rigour

About 0.62 uses per million words.

Meaning

1. noun Severity or strictness.
2. noun Harshness, as of climate.
3. noun A feeling of cold with shivering accompanied by a rise in body temperature.
4. noun Character of being unyielding or inflexible.
5. noun Shrewd questioning.
6. noun Higher level of difficulty. (Can we add an example for this sense?)
7. noun Misspelling of rigor (“rigor mortis”).

Similar words

rigorousness rigor severity hardship asperity grimness cogency validity austerity stringency

Often followed by

of and in with to that which is as

Word family

rigor rigours