Inconstant and Immutable

Inconstant

Inconstant adjective - Likely to change frequently, suddenly, or unexpectedly.
Usage example: our windjammer sailed wherever the inconstant winds took us

Immutable is an antonym for inconstant.

Nearby Words: inconstancy, inconstantly

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

Inconstant is an antonym for immutable.

Nearby Word: immutability
Cite this Source
Immutable and Inconstant. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/inconstant/immutable
Inconstant & Immutable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/inconstant/immutable>.
Immutable or Inconstant. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/inconstant/immutable.
Google Ngram Viewer shows how "inconstant" and "immutable" have occurred on timeline