Synonyms and related words :
able to adapt, adaptable, adjustable, alterable, alterative, ambitendent, ambivalent, at loose ends, brittle, capricious, changeable, changeful, changing, checkered, choppy, corruptible, deciduous, deviating, deviative, deviatory, different, disorderly, divaricate, divergent, diversified, diversiform, double-minded, dubious, dying, ephemeral, erose, erratic, evanescent, ever-changing, fading, fence-sitting, fence-straddling, fickle, fleeting, flexible, flitting, fluctuating, fluid, fly-by-night, flying, fragile, frail, fugacious, fugitive, impermanent, impetuous, impulsive, inconsistent, inconstant, indecisive, infirm of purpose, insubstantial, irregular, irresolute, irresolved, jagged, jerky, kaleidoscopic, lubricious, malleable, many-sided, mercurial, metamorphic, mobile, modifiable, momentary, mortal, motley, movable, mugwumpian, mugwumpish, nonconformist, nondurable, nonpermanent, nonstandard, nonuniform, of two minds, passing, perishable, permutable, plastic, pluralistic, protean, proteiform, ragged, resilient, rough, rubbery, shifty, shilly-shally, short-lived, slippery, spasmodic, sporadic, subject to death, supple, swaying, swinging, temperamental, temporal, temporary, ticklish, transient, transitive, transitory, uncertain, undecided, undetermined, undurable, unenduring, unequable, unequal, uneven, unorthodox, unresolved, unsettled, unstable, unsteady, unsystematic, ununiform, vacillating, variable, variegated, variform, various, varying, volatile, wavering