Mercurial and Undependable

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

Undependable and mercurial are semantically related. In some cases you can use "Undependable" instead an adjective "Mercurial".

Nearby Words: mercury, mercuric

Undependable

Undependable adjective - Not worthy of reliance or trust.

Mercurial and undependable are semantically related. You can use "Mercurial" instead an adjective "Undependable".
Cite this Source
Undependable and Mercurial. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/mercurial/undependable
Mercurial & Undependable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/mercurial/undependable>.
Undependable or Mercurial. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/mercurial/undependable.
Google Ngram Viewer shows how "mercurial" and "undependable" have occurred on timeline