Synonyms and Antonyms of uncertain
1 likely to change frequently, suddenly, or unexpectedly <the stifling heat would occasionally be relieved by an uncertain breeze> Synonyms capricious, changeable, changeful, flickery, fluctuating, fluid, inconsistent, inconstant, mercurial, mutable, skittish, temperamental, fickle, unpredictable, unsettled, unstable, unsteady, variable, volatileRelated Words aimless, arbitrary, desultory, erratic, haphazard, hit-or-miss, irregular, random, scattered, slapdash, stray; ambivalent, hesitating, shaky, shilly-shally, shilly-shallying, vacillating, wavering; dicey, undependable, unreliable, untrustworthy; adaptable, mobile, protean, versatileNear Antonyms equable, even, uniform; abiding, durable, lasting, permanent, persistent; dependable, reliable, sure, tried, tried-and-true, true, trustworthy, trustyAntonyms certain, changeless, constant, immutable, invariable, predictable, settled, stable, stationary, steady, unchangeable, unchanging, unvarying
2 not feeling sure about the truth, wisdom, or trustworthiness of someone or something <never uncertain of her political beliefs or judgment, she was a decisive and fearless leader> Synonyms distrustful, dubious, hinky [slang], mistrustful, skeptical, suspicious, trustless, doubtful, unconvinced, undecided, unsettled, unsureRelated Words ambivalent, conflicted, equivocal; diffident, insecure; halting, hesitant, indecisive, irresolute, vacillating, waveringNear Antonyms assured, confident, sanguine, self-assured; decisive, determined, resoluteAntonyms certain, convinced, positive, sure
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