atheism(rejection of belief that any deities exist (with or without a belief that no deities exist)) noun [UK: ˈeɪ.θi.ˌɪ.zəm] [US: ˈeɪ.θi.ˌɪ.zəm]Atheism isn't a religious belief. = L'ateismo non è una credenza religiosa.
apateismonoun {m}
apatheism(apathy concerning the existence of God) noun