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

RIGOR definition: strictness, severity, or harshness, as in dealing with people. See examples of rigor used in a sentence.

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

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" (Jeffrey Tayler).

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

Mar 31, 2026 · English Etymology 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. severity of weather …

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

In a scientific or philosophical context, rigor refers to the validity, dependability, and precision of theories or ideas based on strict methodologies or frameworks.

Rigor means thoroughness and exhaustiveness — the gold standard for a good teacher.