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mercurial
01
prone to unpredicted and sudden changes
Examples
Her mercurial mood swings made it hard for friends to keep up.
The manager 's mercurial decisions often left the team feeling uncertain.
02
containing, involving, or caused by the element mercury
Examples
The thermometer used a mercurial column.
Mercurial poisoning damaged the miners' health.
03
displaying speed, eloquence, cleverness, or trickery like the Roman god Mercury
Examples
His mercurial wit won every debate.
The thief 's mercurial agility outpaced the guards.
04
influenced by, or characteristic of, the planet Mercury in astrology
Examples
Born under a mercurial sign, she excelled in communication.
The astrologer blamed delays on a mercurial retrograde.
Lexical Tree
mercurial
mercury
