ungläubig

Adjective

 * 1) incredulous, skeptical
 * 2)  infidel, unbelieving, unfaithful not of the religion one considers as the true one
 * 3)  irreligious, agnostic, atheist
 * 1)  infidel, unbelieving, unfaithful not of the religion one considers as the true one
 * 2)  irreligious, agnostic, atheist