Synonyms and related words :
able to adapt, adaptable, adjustable, adrift, afloat, agnostic, alterable, alterative, alternating, ambiguous, amorphous, broken, capricious, careening, catchy, chancy, changeable, changeful, changing, checkered, choppy, desultory, deviable, deviating, deviative, deviatory, dicey, different, disconnected, discontinuous, disorderly, divaricate, divergent, diversified, diversiform, dizzy, doubting, eccentric, equivocal, erose, erratic, ever-changing, fast and loose, fickle, fitful, flexible, flickering, flighty, flitting, fluctuating, fluid, freakish, giddy, guttering, halting, herky-jerky, hesitant, hesitating, heteroclite, immethodical, impermanent, impetuous, impulsive, incalculable, inconsistent, inconstant, indecisive, indemonstrable, infirm, intermittent, intermitting, irregular, irresolute, irresponsible, jagged, jerky, kaleidoscopic, lurching, malleable, many-sided, mazy, mercurial, metamorphic, mobile, modifiable, moody, motley, movable, mutable, nonconformist, nonstandard, nonuniform, patchy, permutable, plastic, pluralistic, polysemous, protean, proteiform, ragged, rambling, resilient, restless, rough, roving, rubbery, scatterbrained, scrappy, shapeless, shifting, shifty, shuffling, skeptical, slippery, snatchy, spasmatic, spasmic, spasmodic, spastic, spineless, sporadic, spotty, staggering, supple, temperamental, ticklish, touch-and-go, transient, transitory, uncertain, unconfirmable, uncontrolled, unconvinced, undependable, undisciplined, undivinable, unequable, unequal, uneven, unfixed, unforeseeable, unmethodical, unmetrical, unorthodox, unpersuaded, unpredictable, unprovable, unregular, unreliable, unrestrained, unrhythmical, unsettled, unstable, unstable as water, unstaid, unsteadfast, unsteady, unsure, unsystematic, ununiform, unverifiable, vacillating, vagrant, variegated, variform, various, varying, veering, vicissitudinary, vicissitudinous, volatile, wandering, wanton, wavering, wavery, wavy, wayward, whimsical, wishy-washy, wobbling, wobbly