unbelieving

inclined to doubt or question claims unbelieving scientists who demand that all phenomena be subjected to rigorous scientific scrutiny Synonyms disbelieving, distrustful, doubting, incredulous, mistrustful, negativistic, questioning, show-me, suspecting, suspicious, skepticalRelated Words paranoid (also paranoidal); critical, puzzled, quizzical; careful, cautious, guarded, gun-shy, leery (also leary), wary, watchful; cynical, experienced, knowing, sophisticated, worldly, worldly-wise; curious, inquiring, inquisitive, nosy (or nosey), snoopy; uncertain, unconvinced, undecided, undetermined, unsettled, unsure; hesitantNear Antonyms green, ingenuous, innocent, naive (or naïve), simple, simpleminded, unknowing, unsophisticated, unworldly, wide-eyed; certain, confident, positive, sure; callow, inexperienced, raw; childlike, idealistic, impractical; beguiled, deceived, duped, gulled, tricked; careless, heedless, unsuspecting, unsuspicious, unwaryAntonyms credulous, gullible (also gullable), trustful, trusting, uncritical, unquestioning