Fickle and Unalterable

Opposite meaning words

Fickle adjective - Likely to change frequently, suddenly, or unexpectedly.

Show all Definitions

Unalterable is an antonym for fickle.

Nearby Word: fickleness

Unalterable adjective - Not capable of changing or being changed.

Usage example: the rules of the game are unalterable, regardless of who is playing

Show all Definitions

Fickle is an antonym for unalterable.

Nearby Words: unaltered, unalterably

Cite this Source

Unalterable and Fickle. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/fickle/unalterable

Fickle & Unalterable. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/fickle/unalterable>.

Unalterable or Fickle. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/fickle/unalterable.

Google Ngram Viewer shows how "fickle" and "unalterable" have occurred on timeline