a·the·ism
noun/ˈeɪθiɪzəm/
/ˈeɪθiɪzəm/
[uncountable]- lack of belief in the existence of God or gods
opposite theismTopics Religion and festivalsc2无神论 Word Originlate 16th cent.: from French athéisme, from Greek atheos, from a- ‘without’ + theos ‘god’.