noun
atheism
AY-thee-ih-zuhm
noun
1
The belief that no gods or deities exist, or the absence of belief in any deity.
"He converted from Catholicism to atheism in his twenties."
"Atheism has become more openly discussed in recent decades."
How to Use Atheism
Learner’s notesIn plain EnglishNot believing that any god exists.
Common mistake
Don't confuse with agnosticism, which is uncertainty about whether a god exists rather than a firm denial.
Easily confused with
agnosticism
Word Forms
atheisms plural
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He converted from Catholicism to _____ in his twenties.
Etymology
From Middle French athéisme, from Greek atheos ("godless"), from a- ("without") + theos ("god").