Immutable
Immutable adjective - Not capable of changing or being changed.
Perpetual is a synonym for immutable in unchanging topic. In some cases you can use "Perpetual" instead an adjective "Immutable", when it comes to topics like constant, unchangeable.
Nearby Word: immutability
Mutual synonyms
Related pairs
- fixed and immutable
- fixed and perpetual
- endless and immutable
- endless and perpetual
- constant and immutable
- constant and perpetual
- enduring and immutable
- enduring and perpetual
- invariable and immutable
- invariable and perpetual
- unchanging and immutable
- unchanging and perpetual
- lasting and immutable
- lasting and perpetual
Both words in one sentence
- They leave the majority in immutable poverty, the superpowers in perpetual war and the entire world in Despair Event Horizon.
Cite this Source
Perpetual and Immutable. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/immutable/perpetual
Immutable & Perpetual. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/immutable/perpetual>.
Perpetual or Immutable. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/immutable/perpetual.
Google Ngram Viewer shows how "immutable" and "perpetual" have occurred on timeline