Impermanent and Unmodifiable
Opposite meaning words
Impermanent
Impermanent adjective - Intended to last, continue, or serve for a limited time.
Unmodifiable is an antonym for impermanent.
Unmodifiable
Unmodifiable adjective - Incapable of being modified in form or character or strength (especially by making less extreme).
Cite this Source
Unmodifiable and Impermanent. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/impermanent/unmodifiable
Impermanent & Unmodifiable. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/impermanent/unmodifiable>.
Unmodifiable or Impermanent. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/impermanent/unmodifiable.
Google Ngram Viewer shows how "impermanent" and "unmodifiable" have occurred on timeline