sceptical

(s) marked by or given to doubt
- a skeptical attitude
- a skeptical listener
doubting, questioning, skeptical,
(s) denying or questioning the tenets of especially a religion
- a skeptical approach to the nature of miracles
disbelieving, skeptical, unbelieving,

Synonyms

doubting questioning skeptical disbelieving unbelieving

Words of close approximity

sceptically