inconclusive ambiguous indecisive unsettled vague indeterminate indefinite open uncertain undetermined debatable moot unconfirmed unconvincing undecided unproved unresolved deficient groundless inadequate incomplete lack questionable uneventful unfinished unfounded unsatisfactory unsatisfying unsound unclear borderline equivocal unsure dubious unknown chancy dubitable clouded disputable doubtful arguable pende unfixed controversial problematical contentious inexact suspect unpredictable problematic unsolved dodgy unanswered ongoing confused queer shaky suspicious shady fishy dispute vex pendent waffle unspecified undefined speculative ambivalent confuse conflicting contradictory undependable hazy contingent paradoxical imprecise irresolute unconclude uncounted unstate unclassified general controvertible negotiable perplexing riddle puzzle unestablished contestable tentative enigmatic obscure hypothetical conjectural unascertaine indistinct hesitant suppositional waver unproven