Rigorousness and Unkindness

Rigorousness

Rigorousness noun - The quality or state of being demanding or unyielding (as in discipline or criticism).

Unkindness and rigorousness are semantically related in severity topic. In some cases you can use "Unkindness" instead a noun "Rigorousness".

Unkindness

Unkindness noun - Lack of sympathy.

Rigorousness and unkindness are semantically related in severity topic. Sometimes you can use "Rigorousness" instead a noun "Unkindness".
Cite this Source
Unkindness and Rigorousness. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/rigorousness/unkindness
Rigorousness & Unkindness. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/rigorousness/unkindness>.
Unkindness or Rigorousness. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/rigorousness/unkindness.
Google Ngram Viewer shows how "rigorousness" and "unkindness" have occurred on timeline