mercurial
subject to sudden and unpredictable changes of mood
Word origin: From Latin Mercurius, the swift Roman god.
Mercurial in a sentence
Here are example sentences showing mercurial in a sentence.
Her mercurial temperament made it hard to predict how she would react.
The director's mercurial temperament kept the cast on edge, since praise could turn to fury within a single rehearsal.
Using “mercurial” well
Mercurial describes someone whose moods shift suddenly and unpredictably, echoing the swift god Mercury and the restless metal. It often implies liveliness as well as instability.
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generous and forgiving, especially toward a rival or weaker party
Questions about “mercurial”
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