Entry Word: fickle

Function: adjective

Meaning: 1 likely to change frequently, suddenly, or unexpectedly <a fickle friendship that was on and off over the years>

Synonyms capricious, changeable, changeful, flickery, fluctuating, fluid, inconstant, mercurial, mutable, temperamental, uncertain, unpredictable, unsettled, unstable, unsteady, variable, volatile

Related Words aimless, erratic, haphazard, irregular, random; hesitating, shilly-shallying, vacillating, wavering; undependable, unreliable, untrustworthy; adaptable, mobile, protean, versatile

Near Antonyms equable, even, uniform; abiding, durable, lasting, permanent, persistent; dependable, reliable, trustworthy

Antonyms certain, changeless, constant, immutable, invariable, settled, stable, steady, unchangeable

2 not true in oneʼs allegiance to someone or something <when the familyʼs fortune disappeared, so did their fickle friends> — see faithless