- questionable
- I(New American Roget's College Thesaurus)II(Roget's IV) modif.1. [Justifying doubt]Syn. doubtful, dubious, uncertain, undefined, equivocal, disputable, arguable, obscure, inconclusive, controversial, vague, unsettled, open to doubt, indeterminate, debatable, moot, unconfirmed, problematic, cryptic, occult, apocryphal, hypothetical, mysterious, oracular, enigmatic, ambiguous, indefinite, contingent, provisional, paradoxical, under advisement, under examination, open to question, up for discussion, in question, to be voted on, to be decided, hard to believe, incredible, iffy*; see also uncertain 2 .Ant. definite*, undoubted, certain.2. [Having a poor appearance or reputation]Syn. dubious, suspicious, suspect, disreputable, of doubtful character, irregular, notorious, of ill repute, unsatisfactory, unsound, thought ill of, under a cloud, unesteemed, ill-favored, unpopular, disagreeable, evil-looking, illegitimate, discreditable, disrespectable, unreliable, untrustworthy, dishonest, fly-by-night, shady*, fishy*, queer*; see also suspicious 2 .Ant. honored*, esteemed, reputable.See Synonym Study at doubtful .III(Roget's 3 Superthesaurus) a.1. doubtful debatable, in question, controversial, unsettled, indeterminate, controvertible, ambiguous, moot, unsure.2. suspect fishy, shady, suspicious.ANT.: 1. certain, settled. 2. believable, legitimate, unimpeachableIV(Roget's Thesaurus II) adjective 1. In doubt or dispute: arguable, contested, debatable, disputable, doubtful, exceptionable, moot, mootable, problematic, problematical, uncertain. See CERTAIN. 2. Not affording certainty: ambiguous, borderline, chancy, clouded, doubtful, dubious, dubitable, equivocal, inconclusive, indecisive, indeterminate, problematic, problematical, uncertain, unclear, unsure. Informal: iffy. Idioms: at issue, in doubt, in question. See CERTAIN, CLEAR. 3. Not likely: doubtful, improbable, unapt, unlikely. See LIKELY. 4. Of dubious character: doubtful, equivocal, shady, suspect, suspicious, uncertain. Informal: fishy. See HONEST.
English dictionary for students. 2013.