Immutable and Permanent

Immutable

Immutable adjective - Not capable of changing or being changed.

Permanent is a synonym for immutable in unchanging topic. In some cases you can use "Permanent" instead an adjective "Immutable", when it comes to topics like unchangeable, constant. popular alternative

Nearby Word: immutability

Permanent

Permanent adjective - Lasting forever.

Immutable is a synonym for permanent in constant topic. You can use "Immutable" instead an adjective "Permanent", if it concerns topics such as lasting, unchanging. popular alternative

Cite this Source
Permanent and Immutable. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/immutable/permanent
Immutable & Permanent. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/immutable/permanent>.
Permanent or Immutable. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/immutable/permanent.
Google Ngram Viewer shows how "immutable" and "permanent" have occurred on timeline