mercurial - Dictionary definition and meaning for word mercurial

(adj) liable to sudden unpredictable change
Synonyms : erratic , fickle , quicksilver
Example Sentence
  • erratic behavior
  • fickle weather
  • mercurial twists of temperament
  • a quicksilver character, cool and willful at one moment, utterly fragile the next
(adj) relating to or under the (astrological) influence of the planet Mercury
Example Sentence
  • the Mercurial canals
(adj) relating to or having characteristics (eloquence, shrewdness, swiftness, thievishness) attributed to the god Mercury
Example Sentence
  • more than Mercurial thievishness
(adj) relating to or containing or caused by mercury
Example Sentence
  • mercurial preparations
  • mercurial sore mouth

Memory aid to help you memorize this

mercury level in the blood pressure testing device fickles a lot when measuring b.p
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mercury liquid if left on a surface has high fluidity.. hence quick n fickle Also, mercury is VOLATILE(another synonym of mercurial)
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