atheism
noun/ˈeɪθiɪzəm/
/ˈeɪθiɪzəm/
[uncountable]- the belief that God or gods do not exist opposite theismTopics Religion and festivalsc2Word Originlate 16th cent.: from French athéisme, from Greek atheos, from a- ‘without’ + theos ‘god’.
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atheism