Rigid
Unchanged
Unchanged adjective - Not made or become different.
Rigid and unchanged are semantically related. Sometimes you can use "Rigid" instead an adjective "Unchanged".
Nearby Words: unchanging, unchangeable
Mutual synonyms
Cite this Source
Unchanged and Rigid. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/rigid/unchanged
Rigid & Unchanged. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/rigid/unchanged>.
Unchanged or Rigid. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/rigid/unchanged.
Google Ngram Viewer shows how "rigid" and "unchanged" have occurred on timeline