Hardheadedness and Rigorousness

Hardheadedness

Hardheadedness noun - A steadfast adherence to an opinion, purpose, or course of action in spite of reason, arguments, or persuasion.
Usage example: her unrelenting hardheadedness didn't win many friends, but it helped her to get her way most of the time

Rigorousness and hardheadedness are semantically related. In some cases you can use "Rigorousness" instead a noun "Hardheadedness".

Rigorousness

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

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