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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.

Bondi likely knows harassing innocent people isn’t quite enough to please her mercurial boss, thus her ridiculous performance in front of the Senate last Tuesday.

Read more on Salon

By Sunday the mercurial US president's rhetoric had cooled.

Read more on Barron's

Marlon Alexander Vargas, the dynamic, sweet-faced performer who plays Fito Palomino, the more creative and mercurial of the two brothers, is on stage interacting with the audience before the play begins.

Read more on Los Angeles Times

Many people who knew her described her as unstable and mercurial.

Read more on Los Angeles Times

The mercurial Spaniard had become the first European to win the Masters in 1980, adding to his 1979 Open triumph, but was at loggerheads with the tour over appearance fees.

Read more on BBC

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mercuratemercurial barometer