capricious synonym | Thesaurus.com

Main Entry:	capricious
Part of Speech:	adjective
Definition:	given to sudden behavior change
Synonyms:	arbitrary, careless, contrary, crotchety, effervescent, erratic, every which way, fanciful, fickle, fitful, flaky, flighty, freakish, helter-skelter, impulsive, inconstant, kinky, mercurial, moody, mutable, odd, picky, punchy, queer, quirky, temperamental, ticklish, unpredictable, unreasonable, unstable, variable, volatile, wayward, whimsical, any way the wind blows, blowing hot and cold, changeful, gaga, humorsome, lubricious, notional, up and down, vagarious, yo-yo
Antonyms:	constant, dependable, sensible, staid, steadfast, steady

* = informal/non-formal usage

Main Entry:	aimless
Part of Speech:	adjective
Definition:	having no goal
Synonyms:	accidental, any which way, blind, capricious, careless, casual, chance, desultory, erratic, fanciful, fickle, flighty, fortuitous, frivolous, haphazard, heedless, hit-or-miss*, indecisive, indiscriminate, irresolute, pointless, purposeless, random, shiftless, stray, thoughtless, unavailing, unplanned, unpredictable, vagrant, wandering, wanton, wayward, bits-and-pieces, directionless, drifting, fits and starts, goalless, objectless, undirected, unguided
Antonyms:	determined, directed, pointed, purposeful, resolute, goal-oriented, motivated

* = informal/non-formal usage

Main Entry:	chancy
Part of Speech:	adjective
Definition:	dangerous, risky
Synonyms:	capricious, contingent, dicey, erratic, fluky, hazardous, iffy*, incalculable, precarious, problematic, rocky, speculative, ticklish, touchy, tricky, uncertain, unpredictable, unsound, whimsical, fluctuant, problematical
Antonyms:	certain, safe, secure, sure, tried, not dangerous

* = informal/non-formal usage

Main Entry:	changeable
Part of Speech:	adjective
Definition:	erratic
Synonyms:	agitated, capricious, convertible, fickle, fitful, flighty, fluid, impulsive, inconstant, indecisive, irregular, irresolute, irresponsible, kaleidoscopic, mercurial, mobile, movable, mutable, restless, skittish, spasmodic, uncertain, unpredictable, unreliable, unsettled, unstable, unsteady, vacillating, vagrant, variable, variant, varying, versatile, volatile, wavering, whimsical, changeful, commutative, fluctuating, permutable, protean, reversible, revocable, shifting, transformable, transitional
Antonyms:	certain, changeless, constant, fixed, lasting, reliable, stable, steady, sure, unchangeable, undeviating

Main Entry:	dicey
Part of Speech:	adjective
Definition:	risky
Synonyms:	capricious, chancy, dangerous, difficult, erratic, iffy*, incalculable, ticklish, tricky, uncertain, unpredictable, whimsical, fluctuant
Antonyms:	certain, safe, sure

* = informal/non-formal usage

Main Entry:	eccentric
Part of Speech:	adjective
Definition:	bizarre, unusual
Synonyms:	aberrant, abnormal, anomalous, beat, bent, bizarre, capricious, characteristic, cockeyed, crazy, curious, droll, erratic, far out, flaky, freak, freakish, funky*, funny, idiosyncratic, irregular, nutty, odd, oddball, off the wall, off-center, offbeat, outlandish, peculiar, quaint, queer, quirky, quizzical, singular, strange, uncommon, unconventional, unnatural, way out, weird, whimsical, wild, kooky, out in left field
Antonyms:	boring, common, dull, normal, ordinary, plain, regular, standard, unexciting, usual

* = informal/non-formal usage

Main Entry:	erratic
Part of Speech:	adjective
Definition:	unpredictable; wandering
Synonyms:	aberrant, abnormal, anomalous, arbitrary, bizarre, capricious, changeable, desultory, devious, dicey, dubious, eccentric, fitful, flaky, idiosyncratic, iffy, incalculable, inconsistent, inconstant, irregular, meandering, mercurial, nomadic, oddball*, peculiar, planetary, rambling, roving, spasmodic, strange, stray, uncertain, unnatural, unreliable, unstable, unusual, variable, volatile, wayward, weird, whimsical, directionless, fluctuant, shifting, undirected, vagarious
Antonyms:	certain, consistent, definite, dependable, predictable, regular, reliable, steady, sure, unchanging

* = informal/non-formal usage

Main Entry:	faithless
Part of Speech:	adjective
Definition:	disloyal
Synonyms:	capricious, changeable, cheating, deceitful, dishonest, double-dealing, doubting, dubious, false, fickle, inconstant, perfidious, recreant, skeptical, traitorous, treacherous, two-faced, two-timing, unbelieving, unfaithful, unreliable, unstable, untrue, untrustworthy, untruthful, wavering, changeful, double-crossing, fluctuating, unconverted, unloyal
Antonyms:	believing, constant, faithful, loyal, reliable, true

* = informal/non-formal usage

Main Entry:	fanciful
Part of Speech:	adjective
Definition:	imaginary, romantic
Synonyms:	absurd, aerial, bizarre, capricious, chimerical, curious, dreamlike, extravagant, fabulous, fantastic, fictitious, flaky, floating, ideal, illusory, imaginative, imagined, incredible, kinky, legendary, mythical, offbeat, on cloud nine, pie in the sky, pipe dream*, poetic, preposterous, shadowy, unreal, visionary, whimsical, wild, blue sky, castles in the air, fairy-tale, fancied, fantastical, fictional, fictive, notional, suppositious
Antonyms:	grave, ordinary, real, serious, sincere, unimaginative, unfanciful, unromantic

* = informal/non-formal usage

Main Entry:	fickle
Part of Speech:	adjective
Definition:	vacillating, blowing hot and cold
Synonyms:	arbitrary, capricious, changeable, cheating, faithless, fitful, flighty, frivolous, inconstant, irresolute, mercurial, mutable, temperamental, ticklish, two-timing, unfaithful, unpredictable, unstable, unsteady, untrue, variable, volatile, whimsical, coquettish, double-crossing, lubricious, quicksilver, sneaking, yo-yo
Antonyms:	aware, cognizant, constant, faithful, reliable, stable, steady

Main Entry:	fitful
Part of Speech:	adjective
Definition:	irregular, sporadic
Synonyms:	broken, capricious, catchy, changeable, desultory, disturbed, erratic, flickering, haphazard, hit-or-miss, impulsive, inconstant, intermittent, interrupted, periodic, random, recurrent, restive, restless, spasmodic, spotty, unstable, variable, bits and pieces, fluctuating, herky-jerky, on-again-off-again, shifting, spastic
Antonyms:	constant, continuous, even, regular, undisturbed, unvarying

* = informal/non-formal usage

Main Entry:	flighty
Part of Speech:	adjective
Definition:	fickle, irresponsible
Synonyms:	capricious, changeable, dizzy, effervescent, empty-headed, featherbrained, frivolous, giddy, harebrained*, impetuous, impulsive, inconstant, lightheaded, lively, mercurial, scatterbrained, silly, thoughtless, unbalanced, unstable, unsteady, volatile, whimsical, wild, airheaded, birdbrained, bubbleheaded, dingbat, dingdong, gaga, twit
Antonyms:	responsible

* = informal/non-formal usage

Main Entry:	freakish
Part of Speech:	adjective
Definition:	abnormal, unusual
Synonyms:	aberrant, arbitrary, bizarre, capricious, crazy, erratic, fantastic, far-out, grotesque, malformed, monstrous, odd, outlandish, preternatural, queer, strange, unconventional, wayward, weird, whimsical, wild, freaky, outré, vagarious
Antonyms:	common, general, natural, normal, ordinary, standard, usual

Main Entry:	giddy
Part of Speech:	adjective
Definition:	silly, impulsive
Synonyms:	brainless, capricious, careless, changeable, dizzy, empty-headed, erratic, fickle, flighty, frivolous, heedless, inconstant, irresolute, irresponsible, lightheaded, punchy, reckless, scatterbrained, skittish, slaphappy, swimming, thoughtless, unbalanced, unsettled, unstable, unsteady, vacillating, volatile, whimsical, whirling, wild, woozy*, bemused, bubbleheaded, changeful, ditzy, flustered, gaga, reeling
Antonyms:	calm, careful, level-headed, sensible, serious

* = informal/non-formal usage

Main Entry:	iffy
Part of Speech:	adjective
Definition:	uncertain
Synonyms:	capricious, chancy, conditional, dicey, doubtful, erratic, incalculable, problematic, undecided, unpredictable, unsettled, up in the air, whimsical, fluctuant, in lap of gods
Antonyms:	certain, definite, reliable, sure

Main Entry:	incalculable
Part of Speech:	adjective
Definition:	countless, limitless
Synonyms:	boundless, capricious, chancy, enormous, erratic, iffy*, immense, inestimable, infinite, innumerable, numberless, uncertain, unforeseen, unpredictable, untold, vast, whimsical, fluctuant, incomputable, jillion, measureless, no end of, no end to, uncountable, unfixed, unreckonable, without number, zillion
Antonyms:	calculable, limited, measurable, countable

* = informal/non-formal usage

Main Entry:	inconsistent
Part of Speech:	adjective
Definition:	contradictory, irregular
Synonyms:	capricious, changeable, conflicting, contrary, discordant, discrepant, dissonant, erratic, fickle, illogical, incoherent, incompatible, incongruous, inconstant, irreconcilable, mercurial, temperamental, uncertain, unpredictable, unstable, variable, warring, at odds, at variance, in conflict, incongruent, lubricious, out of step
Antonyms:	consistent, consonant, regular, steady, unchanging

Main Entry:	inconstant
Part of Speech:	adjective
Definition:	changeable
Synonyms:	capricious, erratic, fickle, flickering, impulsive, inconsistent, intermittent, irregular, irresolute, mercurial, uncertain, undependable, unreliable, unsettled, unstable, vacillating, variable, varying, volatile, wavering, changeful, fluctuating, shifting, waffling

Main Entry:	irresponsible
Part of Speech:	adjective
Definition:	careless, reckless
Synonyms:	capricious, carefree, devil-may-care, feckless, fickle, flighty, fly-by-night, giddy, harebrained, immature, immoral, incautious, lax, loose, rash, scatterbrained, shiftless, thoughtless, unaccountable, undependable, unpredictable, unreliable, unstable, untrustworthy, wild, ill-considered, no-account, unanswerable, uncareful
Antonyms:	accountable, careful, liable, reliable, responsible, trustworthy

* = informal/non-formal usage

Main Entry:	mercurial
Part of Speech:	adjective
Definition:	flighty, temperamental
Synonyms:	buoyant, capricious, changeable, effervescent, elastic, erratic, expansive, fickle, flaky, flip, gay, impulsive, inconstant, irregular, irrepressible, lighthearted, lively, mad, mobile, movable, resilient, spirited, sprightly, ticklish, unpredictable, unstable, up-and-down, variable, volatile, blowing hot and cold, bubbleheaded, fluctuating, gaga, lubricious, quicksilver, short-fuse, yo-yo
Antonyms:	calm, tranquil, unchangeable, unvarying, unperturbable