mercuriousness

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noun

The quality of being mercurious (like Mercury in celerity).

Scrabble 18
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Meanings

nounmercuriousness (uncountable)
  1. rareuncountableThe quality of being mercurious (like Mercury in celerity).

    Qianlong was showing a mercuriousness that few had seen before: even officials close to the throne were puzzled, and trod cautiously.

    2009, Mark C. Elliott, Emperor Qianlong: Son of Heaven, Man of the World, page 44
    1 more example

    In memory of which service he had given him, for the crest of his arms, a chapeau with wings, to denote the Mercuriousness of this messenger.

    1840, Thomas Fuller, The History of the Worthies of England

Origin

From mercurious + -ness.

Full word history & related roots →
Cite this entry
APA

mercuriousness. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/mercuriousness

MLA

“mercuriousness.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mercuriousness. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “mercuriousness,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/mercuriousness.

Source: mercuriousness on Wiktionary, CC BY-SA 4.0.