unbelieving
1. [ adjective ] holding that only material phenomena can be known and knowledge of spiritual matters or ultimate causes is impossible
Synonyms: nescient
Related terms: agnostic
2. [ adjective ] (religion) rejecting any belief in gods
Synonyms: atheistic atheistical
Related terms: irreligious
3. [ adjective ] (religion) denying or questioning the tenets of especially a religion
Synonyms: skeptical sceptical disbelieving
Examples:

"a skeptical approach to the nature of miracles"

Related terms: incredulous
Similar spelling:   unbelievingly
  unveiling
  unfeeling
  unblinking
  unbeliever
  unobliging
  unbelief
  unflinching
  unfeelingly
  unblinkingly
  unbelievably
  unbelievable
  unfeelingness
  unveiled
  unfueled
  unfelled
  unbeloved