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Definitions

fickle

[fik-uhl] / ˈfɪk əl /
ADJECTIVE
vacillating, blowing hot and cold
Synonyms
STRONGEST
capricious changeable flighty temperamental unpredictable unstable volatile
WEAK
arbitrary cheating coquettish double-crossing faithless fitful frivolous inconstant irresolute lubricious mercurial mutable quicksilver sneaking ticklish two-timing unfaithful unsteady untrue variable whimsical yo-yo
Antonyms
STRONGEST
constant stable steadfast steady
WEAK
aware cognizant faithful reliable

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.

He’s also had to learn to quit setting expectations for audiences, which are inherently fickle.

From Los Angeles Times • Mar. 17, 2026

It’s an unusual hot streak for a middle-aged man working in a notoriously fickle and youth-obsessed industry.

From The Wall Street Journal • Mar. 10, 2026

In fairness to Trump, the public can be fickle.

From Slate • Mar. 10, 2026

Early spring can be a very fickle time of year with wild swings of weather and temperatures.

From BBC • Mar. 4, 2026

A lesson to be learned: Lady Fortune is as fickle as they come.

From "Dread Nation" by Justina Ireland

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