dubious Synonyms

doubtful equivocal doubting dubitable unsettled uncertain unreliable unlikely unreputable unforeseeable vacillant vacillating vague valetudinary beta yin wary undetermined undecided untrustworthy underhanded uncredible sub judice storied sketchy skeptical shifty shaky shady sceptical suspect suspected unconceivable unbelieving unassured trustless tottery tenuous tentative suspicious reluctant ambivalent left-hander fly-by-night unsure in question on the fence unproven unsafe unconvinced