The meaning of RIGOR is harsh inflexibility in opinion, temper, or judgment : severity. How to use rigor in a sentence.

RIGOR definition: 1. the fact that people are made to follow rules in a very severe way: 2. the unpleasant or severe…. Learn more.

Definition of rigor noun in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Strictness or severity, as in action or judgment: "The desert fostered a closed world of faith and rigor and harsh judgment: almost every decision here could have lethal consequences" …

If something is done with rigor, it is done in a strict, thorough way. The prince had performed his social duties with professional rigor.

Dec 26, 2025 · From Old French, from Latin rigor (“stiffness, rigidity, rigor, cold, harshness”), from rigere (“to be rigid”).

strictness, severity, or harshness, as in dealing with people. austerity: the rigor of wartime existence. scrupulous or inflexible accuracy or adherence: the logical rigor of mathematics. …