adjective
unwilling to admit or accept what is offered as true
his explanation met an incredulous response from his listeners
Synonyms: aporetic, disbelieving, questioning, quizzical, show-me, skeptical, unbelieving
Related Word: hesitant, suspicious, uncertain, wary; distrustful, distrusting, mistrustful; doubting, dubious, unconvinced, unsatisfied
Contrasted words: trustful, trusting; unsuspecting, unsuspicious, unwary; gullible, naive
Antonyms: credulous