mecurial — subject to sudden or unpredictable changes of mood or mind
Part of speech: ADJECTIVE
Definition: subject to sudden or unpredictable changes of mood or mind
Pronunciation (IPA): /mərˈkjʊriəl/
Example Sentences
- The CEO's mercurial decision-making drove the board members crazy.
- Her mercurial moods made dating her like riding an emotional rollercoaster.
- The artist's mercurial creativity produced both masterpieces and disasters.
mecurial
ADJECTIVE[/mərˈkjʊriəl/]
subject to sudden or unpredictable changes of mood or mind

a head chef stands at the cooking station, first smiling warmly while tasting a dish with a spoon. Within moments, his expression transforms completely to angry frustration as he throws his chef's hat down. The sudden mood shift happens without any clear reason or trigger. His face changes from satisfied to furious in an instant. The kitchen staff around him step back in confusion, exchanging worried glances. Some cooks pause their work to stare at the chef's unexpected outburst. someone being subject to sudden or unpredictable changes of mood or mind
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🎤Pronunciation
🌳Etymology
Origin
From Latin Mercurius, the Roman god Mercury who was known as the swift messenger of the gods with a changeable, unpredictable nature. The element mercury (quicksilver) was named after the same god due to its fluid, rapidly changing properties.
Breakdown
Mercuri- (from Mercury, Roman messenger god known for swift changes) + -al (adjective suffix meaning 'relating to')
🎵Rhyme
🔗Collocations
📝Examples
“The CEO's mercurial decision-making drove the board members crazy.”
“Her mercurial moods made dating her like riding an emotional rollercoaster.”
“The artist's mercurial creativity produced both masterpieces and disasters.”
“Stock prices showed mercurial fluctuations throughout the trading day.”
📚Related Words
Synonyms
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