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