noun / adjective
atheist
AY-thee-ist/ˈeɪθiɪst/
A person who does not believe in any gods, or describing that lack of belief.
As an atheist, she does not believe in any gods.

Etymology
The prefix and god root form the description 'without god' or 'denying the gods.' The person ending identifies someone characterized by that disbelief.
In context
an atheist is someone who does not believe in a god and follows no religion right
More examples
- The discussion included an atheist and several religious believers.
- He explained his atheist views without criticizing his friends' faith.
- Some atheists participate in secular community organizations.
Forms
atheist · atheists
atheism noun — The absence of belief in any gods.
Similar words
- agnostic
- Treats divine existence as unknown or unknowable rather than professing disbelief.
- nonbeliever
- Can mean someone rejecting a particular faith rather than all gods.