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

Expect a similarly powerful forward pack, with some quicksilver runners and astute playmakers in the backline.

From BBC • Aug. 20, 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

Above all, he was fast, possessed of that urgent, quicksilver sort of speed that carries with it an air of permanent menace.

From New York Times • Oct. 27, 2023

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

quicksilver

Example Sentences

Related Words