Inalterable
Inalterable adjective - Not capable of changing or being changed.
Rigid and inalterable are semantically related in inflexible topic. In some cases you can use "Rigid" instead an adjective "Inalterable", when it comes to topics like flexible.
Nearby Word: inalterability
Rigid
Rigid adjective - Not allowing for any exceptions or loosening of standards.
Inalterable and rigid are semantically related in flexible topic. You can use "Inalterable" instead an adjective "Rigid".
Mutual synonyms
Related pairs
Cite this Source
Rigid and Inalterable. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/inalterable/rigid
Inalterable & Rigid. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/inalterable/rigid>.
Rigid or Inalterable. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/inalterable/rigid.
Google Ngram Viewer shows how "inalterable" and "rigid" have occurred on timeline