Arduousness and Rigor

Arduousness

Arduousness noun - Extreme effortfulness.

Rigor and arduousness are semantically related. In some cases you can use "Rigor" instead a noun "Arduousness".

Rigor

Rigor noun - Something that is a cause for suffering or special effort especially in the attainment of a goal.

Arduousness and rigor are semantically related. Sometimes you can use "Arduousness" instead a noun "Rigor".

Cite this Source
Rigor and Arduousness. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/arduousness/rigor
Arduousness & Rigor. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/arduousness/rigor>.
Rigor or Arduousness. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/arduousness/rigor.
Google Ngram Viewer shows how "arduousness" and "rigor" have occurred on timeline