Mercurialness

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
Quality of being mercurial; mercuriality. uncountable

Synonyms

inconstancy levity lightness unreliability volatility

Etymology

From mercurial + -ness.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.