Synonyms of mercurial in English:

mercurial

adjective

  • 1 a mercurial temperament
    volatile, capricious, temperamental, excitable, fickle, changeable, unpredictable, variable, protean, mutable, erratic, quicksilver, inconstant, inconsistent, unstable, unsteady, fluctuating, ever-changing, moody, flighty, wayward, whimsical, impulsive
    technical labile
    [Antonyms] stable
  • Definition of mercurial in:

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    Word of the day setose
    Pronunciation: ˈsiːtəʊs
    adjective
    bearing bristles or setae; bristly