Synonyms and related words :
adrift, afloat, alternating, amorphous, at issue, capricious, changeable, changeful, clear, conditional, conditioned, contingent, dependent, depending, desultory, deviable, dizzy, eccentric, erratic, fast and loose, fickle, fitful, flickering, flighty, flitting, floating, fluctuating, freakish, free, giddy, groundless, impetuous, impulsive, in question, in suspense, in the balance, inconclusive, inconsistent, inconstant, indecisive, infirm, irregular, irresolute, irresponsible, loose, mazy, mercurial, moody, not following, not proved, open, pendent, pending, rambling, restless, rickety, roving, scatterbrained, shaky, shapeless, shifting, shifty, shuffling, spasmodic, spineless, suspenseful, unaccountable, unanchored, unascertained, unattested, unauthenticated, unbound, uncertain, uncertified, unconfirmed, uncontrolled, uncorroborated, uncounted, undecided, undemonstrated, undependable, undetermined, undisciplined, undone, unestablished, unfastened, unfounded, unpredictable, unproved, unproven, unreliable, unrestrained, unsettled, unshown, unstable, unstable as water, unstaid, unsteadfast, unsteady, unstuck, unsubstantiated, unsupported, unsupported by evidence, unsustained, untested, untied, untold, untried, unvalidated, unverified, up for grabs, vacillating, vagrant, variable, vicissitudinary, vicissitudinous, volatile, wandering, wanton, wavering, wavery, wavy, wayward, whimsical, wishy-washy, without basis, without grounds