skeptical

Synonyms

disbelieving, distrustful, doubting, incredulous, mistrustful, questioning, suspecting, suspicious, unbelieving;

Antonyms

credulous, gullible (also gullable), trustful, trusting, uncritical, unquestioning;

Near Antonyms

ingenuous, innocent, naive (or naïve), simple, simpleminded, unknowing, unsophisticated, unworldly, wide-eyed;

certain, confident, positive, sure;

deceived, duped, gulled, tricked;

careless, heedless, unsuspecting, unsuspicious, unwary;

Related 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;

hesitant;