Immutable and Unchangeable

Immutable

Immutable adjective - Not capable of changing or being changed.
Usage example: one of the immutable laws of television is that low ratings inevitably lead to cancellation

Unchangeable is a synonym for immutable in unchanging topic. In some cases you can use "Unchangeable" instead an adjective "Immutable", when it comes to topics like uniform, unalterable, unchanged, flexible. popular alternative

Nearby Word: immutability

Unchangeable

Unchangeable adjective - Not capable of changing or being changed.
Usage example: I'm afraid that my opinion on this matter is unchangeable

Immutable is a synonym for unchangeable in unalterable topic. You can use "Immutable" instead an adjective "Unchangeable", if it concerns topics such as uniform, unchanged, constant, flexible. popular alternative

Both words in one sentence

Cite this Source
Unchangeable and Immutable. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/immutable/unchangeable
Immutable & Unchangeable. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/immutable/unchangeable>.
Unchangeable or Immutable. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/immutable/unchangeable.
Google Ngram Viewer shows how "immutable" and "unchangeable" have occurred on timeline