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exhilarating and exhausting to work with; one moment she was full of boundless enthusiasm, and the next, stormy and withdrawn.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.

Previous Words

Wheedle

Today's Word

Wheedle

WEE-dul

Definition

(verb) To coax or persuade someone into doing something through flattery, soft words, or gentle persistent manipulation.

Example

She had wheedled the extension out of her professor so smoothly that he’d agreed before he realized he’d been asked — which was precisely the point.

Word Origin

Wheedle is of uncertain origin — possibly from the German wedeln, meaning “to wag the tail” or “to fan,” suggesting the fawning, ingratiating behavior of an animal seeking favor. Another theory connects it to the Old English wǣdlian, meaning “to beg.” It entered English in the 17th century, and whatever its precise origin, its sense has remained remarkably stable: the soft, persistent, strategically flattering approach to getting what you want from someone who might not give it if asked directly.

Fun Fact

The psychology of wheedling has been studied extensively under the clinical term “ingratiation” — and the findings are more validating than most people would like. Research by social psychologist Edward Jones in the 1960s found that strategic flattery, opinion conformity, and favor-doing — the core toolkit of the wheedler — are remarkably effective at generating genuine positive feelings in the target, even when the target is aware the ingratiation is strategic. The implication is uncomfortable: knowing you’re being wheedled doesn’t reliably protect you from it, which is either a testament to the sophistication of the technique or a fairly unflattering comment on human susceptibility to being told what we want to hear.

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Mercurial

Definition

Example

Previous Words

Wheedle

Wheedle

Definition

Example

Word Origin

Wheedle

Callow

Pernicious

Derivation

Tautological