English dictionary



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English adjective: mercurial

1. mercurial liable to sudden unpredictable change


SamplesErratic behavior.
Fickle weather.
Mercurial twists of temperament.
A quicksilver character, cool and willful at one moment, utterly fragile the next.


Synonymserratic, fickle, quicksilver


Similarchangeable, changeful


Antonymsunchangeable

2. Mercurial relating to or under the (astrological) influence of the planet Mercury


SamplesThe Mercurial canals.

3. Mercurial relating to or having characteristics (eloquence, shrewdness, swiftness, thievishness) attributed to the god Mercury


SamplesMore than Mercurial thievishness.

4. mercurial relating to or containing or caused by mercury


SamplesMercurial preparations.
Mercurial sore mouth.









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