Synonyms of capricious

1 Syllable
odd, yoyo, queer, rum
2 Syllables
fickle, kooky, tippier, tippy, punchy, moody, iffy, flighty, giddy, funnier, faithless, dicey, rummy, ticklish, funny, wiggly, skittish, chancier, fluctuant, timid, rumer, flightier, gaga, kinky, wayward, fitful, dicier, dingdong, picky, aimless, moodier, flaky, funniest, chancy, freakish, ditzy, quirky, rummier, kookier, yo-yo, flightiest, fickler, zillion
3 Syllables
fanciful, mercurial, erratic, tottery, tottering, crotchety, bipolar, inconstant, notional, unguided, eccentric, unpunctual, vagarious, unstable, fantastic, whimsical, splenetic, variable, lubricious, contrary, judgmental, unsteady, changeful, quicksilver, mutable, careless, changeable, perverse, unfixed
4 Syllables
untrustworthy, unreliable, agitable, helter-skelter, volatile, effervescent, pixilated, irregular, alarmable, humorsome, reversible, nonuniform, uncountable, uncareful, arbitrary, impulsive, revocable, permutable, bubbleheaded, unequable, unconverted, inconsistent
5 Syllables
unreasonable, unforeseeable, unpredictable, irresponsible, temperamental, incomputable, unreckonable, undependable, incalculable, commutative
6 Syllables
counterintuitive