mercurial
1 ENTRIES FOUND:
Britannica Dictionary definition of MERCURIAL
[more mercurial; most mercurial]
1
a
:
changing moods quickly and often
— used to describe someone who often changes from being happy to being angry or upset in a quick and unexpected way
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a mercurial movie star
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She had a mercurial personality/disposition.
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mercurial behavior
b
:
changing often
:
very changeable
2
:
very lively and quick
