Hardness and Rigidity

Hardness

Hardness noun - The quality or state of being demanding or unyielding (as in discipline or criticism).
Usage example: the aunt's hardness gradually crumbled under the influence of the little orphan's endearing ways

Rigidity is a synonym for hardness in firmness topic. In some cases you can use "Rigidity" instead a noun "Hardness", when it comes to topics like severity, harshness, easy, inflexibility. popular alternative

Nearby Words: hard, harden

Rigidity

Rigidity noun - The quality or state of being demanding or unyielding (as in discipline or criticism).
Usage example: sometimes the rigidity of the headmaster's discipline was deemed excessive by even much of the faculty

Hardness is a synonym for rigidity in severity topic. You can use "Hardness" instead a noun "Rigidity", if it concerns topics such as harshness, easy, inflexibility, stiffness. popular alternative

Nearby Words: rigid, rigidly
Cite this Source
Rigidity and Hardness. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/hardness/rigidity
Hardness & Rigidity. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/hardness/rigidity>.
Rigidity or Hardness. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/hardness/rigidity.
Google Ngram Viewer shows how "hardness" and "rigidity" have occurred on timeline