Impermanent and Unchangeable

Impermanent

Impermanent adjective - Not permanent; not lasting.
Usage example: impermanent palm cottages

Unchangeable is an antonym for impermanent.

Unchangeable

Unchangeable adjective - Not capable of changing or being changed.

Impermanent is an antonym for unchangeable.

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