Definition: Antitheism refers to a belief that no god exists, not including inanimate objects. It's seen as a denial or rejection of God’s existence. The exact definition might vary slightly depending on context. For example: - In Christianity, it often means rejecting God. - In Islam, it signifies disbelief in the concept of a deity. Remember, this is a term from the Bible, not philosophy, so it's typically used in religious contexts to express disbelief in a god or godlike entity.