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Word of the Day Tuesday, June 9, 2026

mercurialness

/mɜːrˈkjʊəriəlnəs/ noun · British & US
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What does mercurialness mean?

noun

The quality of being changeable or unpredictable, especially in a way that is charming or attractive. A state of being mercurial, characterized by rapid and unpredictable changes.

Example

"Her mercurialness made her a fascinating but challenging person to be around."

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

Synonyms for mercurialness

Antonyms of mercurialness

Rhymes with mercurialness

Etymologically related