unbelief
noun
[ ʌnbɪˈliːf ]
• lack of religious belief; an absence of faith.
• "the darkness of unbelief"
Similar:
atheism,
non-belief,
agnosticism,
heresy,
apostasy,
irreligion,
heathenism,
godlessness,
nihilism,
lack of faith,
scepticism,
cynicism,
disbelief,
incredulity,
suspicion,
distrust,
mistrust,
doubt,
non-conviction,
dubiety,