Firm
Immutable
Immutable adjective - Not capable of changing or being changed.
Firm and immutable are semantically related. Sometimes you can use "Firm" instead an adjective "Immutable".
Nearby Word: immutability
Mutual synonyms
Both words in one sentence
-
Post-modernism and post-structuralism are philosophical movements that reject any kind of firm, immutable truth.
Source: Science Is Wrong
Cite this Source
Immutable and Firm. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/firm/immutable
Firm & Immutable. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/firm/immutable>.
Immutable or Firm. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/firm/immutable.
Google Ngram Viewer shows how "firm" and "immutable" have occurred on timeline