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