신이 존재하지 않는다는 믿음 또는 신에 대한 신앙이 없는 상태.
The lack of belief in the existence of any deities or the positive belief that no gods exist.
예문:
"The philosopher's arguments for atheism were based on a strictly materialist view of the universe."
"She transitioned from a religious upbringing to a firm stance of atheism during her college years."
"Atheism is often distinguished from agnosticism, which claims that the existence of God is unknown or unknowable."