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View synonyms for mercurial

mercurial

[mer-kyoor-ee-uhl]

adjective

  1. changeable; volatile; fickle; flighty; erratic.

    a mercurial nature.

    Antonyms: steady, constant
  2. animated; lively; sprightly; quick-witted.

    Synonyms: spirited
    Antonyms: phlegmatic
  3. pertaining to, containing, or caused by the metal mercury.

  4. (initial capital letter),  of or relating to the god Mercury.

  5. (initial capital letter),  of or relating to the planet Mercury.



noun

  1. Pharmacology.,  a preparation of mercury used as a drug.

mercurial

/ mɜːˈkjʊərɪəl /

adjective

  1. of, like, containing, or relating to mercury

  2. volatile; lively

    a mercurial temperament

  3. (sometimes capital) of, like, or relating to the god or the planet Mercury

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. med any salt of mercury for use as a medicine

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Other Word Forms

  • mercurially adverb
  • mercurialness noun
  • mercuriality noun
  • unmercurial adjective
  • unmercurially adverb
  • unmercurialness noun
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Word History and Origins

Origin of mercurial1

First recorded in 1350–1400; Middle English, from Latin mercuriālis “of or pertaining to the god or planet Mercury”; mercury, -al 1
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Word History and Origins

Origin of mercurial1

C14: from Latin mercuriālis
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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The mercurial Australian has not played on the ATP Tour since March and barely at all in three years after a series of career-threatening knee and wrist surgeries.

Read more on Barron's

Therein lies a dilemma, because Franco was not an especially compelling orator or a magnetic, mercurial personality after the fashion of Hitler, Mussolini and, you know, others we could name.

Read more on Salon

While the two men's enmity was never completely hidden, Newsom at least appeared to try a bipartisan hug that would keep the mercurial president involved in the costly recovery.

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Analysts warn the spat between the two mercurial leaders could have a profound impact on security in the hemisphere.

Read more on Barron's

The AI-generated Angie seems a bit overdone when compared to the more conflicted human original, whose moodiness shifts mercurially between impudence and ambivalence.

Read more on Los Angeles Times

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