Synonyms and related words :
adrift, afloat, agnostic, aimless, alternating, ambiguous, ambitendent, ambivalent, amorphous, arbitrary, at loose ends, brittle, broken, careening, careless, casual, catchy, chancy, changeable, changeful, changing, choppy, corruptible, cranky, crotchety, deciduous, desultory, deviable, deviating, deviative, deviatory, dicey, different, disarticulated, disconnected, discontinuous, disjunct, disordered, disorderly, dispersed, disproportionate, divaricate, divergent, diversified, diversiform, dizzy, double-minded, doubting, dubious, dying, eccentric, effervescent, ephemeral, equivocal, erose, erratic, evanescent, fading, fanciful, fantasied, fantastic, fast and loose, fence-sitting, fence-straddling, fickle, fitful, flaky, fleeting, flickering, flighty, flitting, fluctuant, fluctuating, fly-by-night, flying, formless, fragile, frail, freakish, frivolous, fugacious, fugitive, giddy, gratuitous, guttering, halting, haphazard, harebrained, heedless, herky-jerky, hesitant, hesitating, heteroclite, hit-or-miss, humorsome, iffy, immethodical, impermanent, impetuous, impulsive, inadvertent, incalculable, inchoate, incoherent, inconsiderate, inconsistent, inconstant, indecisive, indemonstrable, indiscriminate, infirm, infirm of purpose, insubstantial, intermittent, intermitting, irregular, irresolute, irresolved, irresponsible, jagged, jerky, kinky, lubricious, lurching, maggoty, mazy, meaningless, mercurial, misshapen, momentary, moody, mortal, motiveless, motley, mugwumpian, mugwumpish, mutable, nonconformist, nondurable, nonpermanent, nonstandard, nonsymmetrical, nonsystematic, nonuniform, notional, of two minds, orderless, passing, patchy, perishable, petulant, planless, pluralistic, polysemous, promiscuous, quirky, ragged, rambling, random, reasonless, restless, rough, roving, scatterbrained, scrappy, senseless, shapeless, shifting, shifty, short-lived, shuffling, skeptical, snatchy, spasmatic, spasmic, spasmodic, spastic, spineless, sporadic, spotty, staggering, straggling, straggly, systemless, temperamental, temporal, temporary, thoughtless, ticklish, touch-and-go, transient, transitive, transitory, unaccountable, unarranged, uncalculating, uncertain, unclassified, unconfirmable, uncontrolled, unconvinced, undecided, undependable, undetermined, undirected, undisciplined, undivinable, undurable, unenduring, unequable, unequal, uneven, unfixed, unforeseeable, ungraded, unguarded, unjoined, unmethodical, unmetrical, unordered, unorganized, unorthodox, unpersuaded, unpredictable, unprovable, unreasonable, unreasoning, unreflecting, unregular, unreliable, unresolved, unrestrained, unrhythmical, unsettled, unsorted, unstable, unstable as water, unstaid, unsteadfast, unsteady, unsure, unsymmetrical, unsystematic, unthinking, unthoughtful, ununiform, unverifiable, vacillating, vagarious, vagrant, vague, variable, variegated, variform, various, varying, veering, vicissitudinary, vicissitudinous, volatile, wandering, wanton, wavering, wavery, wavy, wayward, whimsical, wishy-washy, wobbling, wobbly,