Synonyms and related words :
Pyrrhonic, adrift, afloat, agnostic, alternating, ambiguous, ambitendent, ambivalent, amorphous, amphibological, amphibolous, at a loss, at loose ends, blear, bleared, bleary, blurred, blurry, broken, capricious, careening, catchy, chancy, changeable, changeful, choppy, confused, dark, desultory, deviable, deviative, dicey, dim, disconnected, discontinuous, distrustful, dizzy, double-minded, doubtful, doubting, dubious, eccentric, enigmatic, equivocal, equivocatory, erratic, faint, fast and loose, feeble, fence-sitting, fence-straddling, fickle, filmy, fitful, flickering, flighty, flitting, fluctuating, foggy, freakish, from Missouri, fuzzy, giddy, guttering, half-seen, half-visible, halting, hazardous, hazy, herky-jerky, hesitant, hesitating, heteroclite, iffy, ill-defined, immethodical, impetuous, impulsive, in doubt, incalculable, inconsistent, inconspicuous, inconstant, indecisive, indefinite, indemonstrable, indistinct, indistinguishable, infirm, infirm of purpose, insecure, intermittent, intermitting, ironic, irregular, irresolute, irresolved, irresponsible, jerky, leery, low-profile, lurching, mazy, mercurial, merely glimpsed, mistrustful, mistrusting, misty, moody, mugwumpian, mugwumpish, multivocal, mutable, mysterious, nonuniform, obscure, of two minds, out of focus, pale, patchy, polysemantic, polysemous, protean, questionable, questioning, rambling, restless, risky, rocky, rough, roving, scatterbrained, scrappy, scrupulous, semivisible, shadowy, shaky, shapeless, shifting, shifty, shuffling, shy, skeptical, snatchy, spasmatic, spasmic, spasmodic, spastic, speculative, spineless, sporadic, spotty, staggering, suspecting, suspicious, tottery, touch-and-go, treacherous, unaccountable, unclear, unconfirmable, uncontrolled, unconvinced, undecided, undefined, undependable, undetermined, undisciplined, undivinable, unequal, uneven, unfixed, unforeseeable, unhealthy, unmethodical, unmetrical, unpersuaded, unplain, unpredictable, unprovable, unrecognizable, unregular, unreliable, unresolved, unrestrained, unrhythmical, unsafe, unsettled, unsound, unstable, unstable as water, unstaid, unsteadfast, unsteady, unsure, unsystematic, untrusting, untrustworthy, unverifiable, vacillating, vagrant, vague, variable, veering, vicissitudinary, vicissitudinous, volatile, wandering, wanton, wary, wavering, wavery, wavy, wayward, weak, whimsical, wishy-washy, wobbling, wobbly