Permanent and Unalterable

Permanent

Permanent adjective - Lasting forever.

Unalterable is a synonym for permanent in lasting topic. In some cases you can use "Unalterable" instead an adjective "Permanent".

Unalterable

Unalterable adjective - Not capable of changing or being changed.

Permanent is a synonym for unalterable in not changeable topic. You can use "Permanent" instead an adjective "Unalterable".

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