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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.

That combination of hard-running forward and quicksilver backs, connecting with superb handling skills, was in evidence again and again.

From BBC • Sep. 13, 2025

Also known as quicksilver, mercury is a neurotoxin that can affect the nervous system and kidneys, according to the Centers for Disease Control and Prevention.

From Los Angeles Times • May 1, 2025

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

But one challenge can make the whole exercise feel like quicksilver.

From New York Times • May 8, 2024

The stray water collapses to the ground, only to roll toward the right-hand window like beads of quicksilver.

From "Kwame Crashes the Underworld" by Craig Kofi Farmer

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