Synonyms: unbelieving, disbelieving, skeptical, sceptical
Definition: denying or questioning the tenets of especially a religion
Usage: a skeptical approach to the nature of miracles
Similar words: incredulous
Definition: not disposed or willing to believe; unbelieving
Synonyms: unbelieving, nescient
Definition: holding that only material phenomena can be known and knowledge of spiritual matters or ultimate causes is impossible
Similar words: agnostic, agnostical
Definition: uncertain of all claims to knowledge
Synonyms: atheistic, atheistical, unbelieving
Definition: rejecting any belief in gods
Similar words: irreligious
Definition: hostile or indifferent to religion