Synonyms and related words :
accidental, adventitious, aleatoric, aleatory, ambitendent, ambivalent, amorphous, at issue, at loose ends, bleary, blobby, blurred, blurry, broad, capricious, casual, causeless, chance, chancy, changeable, chaotic, conditional, conditioned, confused, contingent, dependent, depending, destinal, dicey, dim, disordered, double-minded, dubious, fatal, fatidic, fence-sitting, fence-straddling, fickle, fluky, foggy, fortuitous, fuzzy, general, groundless, hazy, hit-or-miss, iffy, ill-defined, imprecise, in question, in suspense, in the balance, inaccurate, inchoate, incidental, incoherent, inconclusive, indecisive, indefinable, indefinite, indeterminable, indeterminate, indistinct, inexact, infirm of purpose, irresolute, irresolved, lax, loose, mercurial, mugwumpian, mugwumpish, mutable, nonspecific, not following, not proved, obscure, of two minds, open, orderless, pendent, pending, random, risky, shadowed forth, shadowy, shapeless, stochastic, suspenseful, sweeping, unascertained, unattested, unauthenticated, uncaused, uncertain, uncertified, unclear, unconfirmed, uncorroborated, uncounted, undecided, undefined, undemonstrated, undenied, undestined, unestablished, unexpected, unfixed, unforeseeable, unforeseen, unfounded, unlooked-for, unplain, unpredictable, unproved, unproven, unresolved, unsettled, unshown, unspecified, unsubstantiated, unsupported, unsupported by evidence, unsustained, untested, untold, untried, unvalidated, unverified, up for grabs, vague, veiled, without basis, without grounds