Rigidness and Rigor

Rigidness

Rigidness noun - The quality or state of being demanding or unyielding (as in discipline or criticism).
Usage example: no one even asked anymore, as their father's rigidness regarding bedtime was legendary

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

Rigor

Rigor noun - The quality or state of being demanding or unyielding (as in discipline or criticism).
Usage example: after being coddled by his former coach, the swimmer was shocked by the rigor of the new training program

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

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