Atheistic (adjective)

Denying or disbelieving the existence of a deity or deities.

Origin:

From the greek word 'atheos' meaning 'godless'.

Examples:

1. He was an outspoken advocate for atheism and was known for his atheistic views.
2. The country was ruled by an atheist government that promoted a secular and atheistic society.
3. Her atheism was rooted in her lack of faith in any deity or higher power.
4. The debate between theists and atheists was heated, with both sides passionately defending their beliefs.
5. The atheistic movement was gaining popularity, with more and more people rejecting the idea of a higher power.