O OneWordDaily
AI-generated image
Word of the Day Tuesday, June 9, 2026

mercurialism

/mɜːrˈkjʊəriəlɪzəm/ noun · British & US
Valid in UK
Share WhatsApp

What does mercurialism mean?

noun

A philosophical or psychological theory that the human mind is constantly changing and is characterized by instability and unpredictability.

Example

"The mercurialism of the artist's personality made it difficult for critics to pin down their style."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for mercurialism

Antonyms of mercurialism

Rhymes with mercurialism

Etymologically related