problematic
I
adjective
ambiguous, complex, complicated, contestable, controversial, controvertible, cryptic, cryptical, debatable, difficult, disputable, doubtful, dubious, dubius, enigmatic, enigmatical, equivocal, imperspicuous, incertus, insoluble, involved, knotty, moot, mysterious, open to doubt, paradoxical, perplexing, problematical, puzzling, questionable, raveled, shrouded in mystery, snarled, tangled, tentative, troublesome, uncertain, unconvincing, undecided, undemonstrable, undetermined, unsettled, vague, worrisome
II
index
debatable, difficult, disputable, doubtful, inauspicious, uncertain (questionable)
Burton's Legal Thesaurus.
William C. Burton.
2006