Immutable and Inalterable

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

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

Nearby Word: immutability

Inalterable

Inalterable adjective - Not capable of changing or being changed.
Usage example: the inalterable record of history, which we ignore at our peril

Immutable is a synonym for inalterable in inflexible topic. You can use "Immutable" instead an adjective "Inalterable", if it concerns topics such as flexible, unchanging, unchangeable.

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