Mercurial and Mutable

Mercurial

Mercurial adjective - Likely to change frequently, suddenly, or unexpectedly.
Usage example: the boss's mood is so mercurial that we never know how he's going to react to anything

Mutable is a synonym for mercurial in volatile topic. In some cases you can use "Mutable" instead an adjective "Mercurial".

Nearby Words: mercury, mercuric

Mutable

Mutable adjective - Likely to change frequently, suddenly, or unexpectedly.
Usage example: a politician with very mutable positions on all the issues

Mercurial is a synonym for mutable in capricious topic. You can use "Mercurial" instead the word "Mutable" as an adjective or a noun, if it concerns topics such as changeable.

Nearby Words: mutation, mutate, mutability, mutating, mutably
Cite this Source
Mutable and Mercurial. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/mercurial/mutable
Mercurial & Mutable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/mercurial/mutable>.
Mutable or Mercurial. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/mercurial/mutable.
Google Ngram Viewer shows how "mercurial" and "mutable" have occurred on timeline