nasalEnglishMerriam-Webster Dictionary class='vi' role='text'>//dubious about a diet that claims I can eat all I want and still lose weightSynonyms distrustful, doubtful, hinky [slang], mistrustful, skeptical, suspicious, trustless, uncertain, unconvinced, undecided, unsettled, unsureRelated Words ambivalent, conflicted, equivocaldiffident, insecurehalting, hesitant, indecisive, irresolute, vacillating, waveringSynonymous Phrases on the fenceNear Antonyms assured, confident, sanguine, self-assureddecisive, determined, resoluteAntonyms certain, convinced, positive, sure