- Today's Word
Mercurial
mər-KYUR-ee-uhl (or mur-KYOOR-ee-uhl)
Definition
- (adjective) Subject to sudden or unpredictable changes of mood or mind; volatile, capricious.
- Relating to the Roman god Mercury (or the planet Mercury), often implying qualities of cleverness, eloquence, or swiftness.
Example
Her mercurial temperament made her both exhilarating and exhausting to work with; one moment she was full of boundless enthusiasm, and the next, stormy and withdrawn.
Fun Fact
The word “mercurial” is derived from the Roman god Mercury, who was known for his speed, wit, and trickery. Mercury was also the messenger of the gods, and his unpredictable nature made him a fitting inspiration for the term. In alchemy, “mercurial” also refers to mercury (quicksilver), a liquid metal known for its fluid and volatile properties, reinforcing the word’s association with changeability. Over time, “mercurial” evolved to describe not only physical but also emotional and mental shifts, making it a vivid way to characterize people with ever-changing moods.
(noun) A person who believes that the pursuit of pleasure and sensory enjoyment is the highest good and chief aim of life
A self-proclaimed hedonist, she planned her entire sabbatical around exceptional food, warm weather, and long afternoons with nothing to do.
Hedonist derives from the Greek hedone, meaning “pleasure” or “delight,” from hedys (“sweet”). The philosophical school of Hedonism was formally developed in ancient Greece — most notably by Epicurus, who argued that pleasure, properly understood, was the foundation of a good life. The word entered English in the 19th century as both a philosophical term and a descriptor for those who live purely for sensory gratification.