Pertinaciousness and Rigidness

Pertinaciousness

Pertinaciousness noun - A steadfast adherence to an opinion, purpose, or course of action in spite of reason, arguments, or persuasion.
Usage example: thanks to his pertinaciousness, he eventually succeeded where all others had failed

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

Rigidness

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

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