Synonym Chooser

How does the adjective mercurial differ from other similar words?

Some common synonyms of mercurial are capricious, fickle, inconstant, and unstable. While all these words mean "lacking firmness or steadiness (as in purpose or devotion)," mercurial implies a rapid changeability in mood.

made anxious by her boss's mercurial temperament

When could capricious be used to replace mercurial?

The words capricious and mercurial can be used in similar contexts, but capricious suggests motivation by sudden whim or fancy and stresses unpredictability.

an utterly capricious critic

When is fickle a more appropriate choice than mercurial?

While in some cases nearly identical to mercurial, fickle suggests unreliability because of perverse changeability and incapacity for steadfastness.

performers discover how fickle fans can be

When is it sensible to use inconstant instead of mercurial?

The synonyms inconstant and mercurial are sometimes interchangeable, but inconstant implies an incapacity for steadiness and an inherent tendency to change.

an inconstant friend

When would unstable be a good substitute for mercurial?

Although the words unstable and mercurial have much in common, unstable implies an incapacity for remaining in a fixed position or steady course and applies especially to a lack of emotional balance.

too unstable to hold a job

Examples Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of mercurial The ship’s success in whale hunting was just as mercurial, with dry spells followed by successful sprees. Eli Wizevich, Smithsonian Magazine, 20 Nov. 2024 Val Nichushkin’s contrition — A The mercurial forward and key to the Avs’ playoff fates returned to the fold on Friday after a six-month suspension. Sean Keeler, The Denver Post, 16 Nov. 2024 Franciosi is half little girl and half unhinged siren as Ciara, while McAvoy, loaded with muscle and a toothy grin, plays Paddy as a charismatic psychopath who gives the game away early but who’s mercurial and magnetic enough to keep coercing his guests back. Alison Willmore, Vulture, 13 Sep. 2024 Batman’s comedic Technicolor stylings — and the utter sincerity with which stars Adam West and Burt Ward led viewers through them — have lived on through countless references and parodies in the ensuing decades, as well as a mercurial relationship with Batman fans. Joshua Rivera, Vulture, 13 Nov. 2024 See all Example Sentences for mercurial 

Podcast

Thesaurus Entries Near mercurial

Cite this Entry

“Mercurial.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/mercurial. Accessed 21 Dec. 2024.

More from Merriam-Webster on mercurial

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!