doubtful
I
adjective
arguable, at issue, conditional, conjectural, contestable, controvertible, debatable, disbelieving, disposed to question, disputable, distrustful, doubtable, doubting, dubious, dubitable, dubius, equivocal, implausible, improbable, in a dilemma, in a quandary, in dispute, in doubt, in question, in suspense, inconceivable, inconvincible, incredible, indecisive, indistinct in character or meaning, irresolute, misbelieving, mistrustful, mistrusting, of uncertain issue, open to doubt, open to question, open to suspicion, problematic, questionable, questioning, speculative, suppositional, unbelievable, unconvincing, unlikely, unresolved, unsettled in opinion, unsolved, unsure, unsustainable, untenable
associated concepts: doubtful cases, doubtful credit, doubtful debts, doubtful title
II
index
ambiguous, controversial, cynical, debatable, disputable, dubious, dubitative, equivocal, hesitant, implausible, inconclusive, inconvincible, incredible, incredulous, indefinite, irresolute, leery, moot, precarious, problematic, speculative, suspicious (questionable), unbelievable, uncertain (questionable), undecided, unsettled, unsustainable, vague
Burton's Legal Thesaurus.
William C. Burton.
2006