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Showing results for quicksilver.
Definitions

quicksilver

[kwik-sil-ver] / ˈkwɪkˌsɪl vər /
ADJECTIVE
fickle
Synonyms
STRONGEST
capricious changeable flighty temperamental unpredictable unstable volatile
WEAK
arbitrary cheating coquettish double-crossing faithless fitful frivolous inconstant irresolute lubricious mercurial mutable sneaking ticklish two-timing unfaithful unsteady untrue variable whimsical yo-yo
Antonyms
STRONGEST
constant stable steadfast steady
WEAK
aware cognizant faithful reliable
ADJECTIVE
mercurial
Synonyms
STRONGEST
changeable effervescent erratic impulsive resilient unpredictable volatile
WEAK
blowing hot and cold bubbleheaded buoyant capricious elastic expansive fickle flaky flip fluctuating gaga gay inconstant irregular irrepressible lighthearted lively lubricious mad mobile movable spirited sprightly ticklish unstable up-and-down variable yo-yo
Antonyms
STRONGEST
certain constant predictable reliable stable steady sure unchanging
WEAK
calm tranquil unchangeable unperturbable unvarying

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

But after that, Carpenter’s quicksilver timing and ease, plus a diverse set of sketches, put the episode over the top.

From Los Angeles Times • Oct. 19, 2025

Music director and conductor Stephen Oremus maintained the production’s high musical standards, bringing out the extensive palette of a rock score with quicksilver moods.

From Los Angeles Times • Aug. 4, 2025

Dupont, France's quicksilver XV-a-side captain, surprised the rugby world when he swapped the 2024 Six Nations for a shot at seven-a-side Olympic glory.

From BBC • Sep. 18, 2024

Together, the combination of big target man Withe and quicksilver Shaw alongside him turned Villa first into league champions in May 1981, then European champions in 1982.

From BBC • Sep. 16, 2024

It wriggled and squirmed like quicksilver and, apart from that, the box was only just long enough to take it.

From "Matilda" by Roald Dahl

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.