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Definition of quicksilver

quicksilver

/ˈkwɪkˌsɪl.vər/
quick · sil · ver
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quicksilver Lexical Profile

quicksilver Game Scores & Validity

• adjective

1

Moving very rapidly or changing suddenly and unpredictably in mood, mind, or temperament.

Example

"The actor was known for his quicksilver wit and ability to improvise on stage."

Synonyms
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Antonyms
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• noun

1

The heavy, silvery-white liquid metallic element mercury.

Example

"Early barometers and thermometers relied on quicksilver to measure atmospheric pressure and temperature."

Synonyms
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• Nearby Words

quickly
quickness
quicksand
quicksilver
quickstep
quid
quidditch

Word Origin & Etymology

From Old English 'cwicseolfor', a loan translation of Latin 'argentum vivum' (literally 'living silver'), named for the liquid metal's fluid, mobile appearance.

Cite this Entry

Wordmom. (2026). Definition of Quicksilver. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/quicksilver
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