Rigour
Rigour noun - Excessive sternness.
Rigor is a synonym for rigour in severity topic. In some cases you can use "Rigor" instead a noun "Rigour", when it comes to topics like strictness.
Rigor
Rigor noun - Excessive sternness.
Usage example: the rigors of boot camp
Rigour is a synonym for rigor in severity topic. You can use "Rigour" instead a noun "Rigor", if it concerns topics such as strictness.
Mutual synonyms
Cite this Source
Rigor and Rigour. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/rigour/rigor
Rigour & Rigor. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/rigour/rigor>.
Rigor or Rigour. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/rigour/rigor.
Google Ngram Viewer shows how "rigour" and "rigor" have occurred on timeline