Definition of atheism
1a
: a lack of belief or a strong disbelief in the existence of a god or any gods
b
: a philosophical or religious position characterized by disbelief in the existence of a god or any gods
Keep scrolling for more
Keep scrolling for more
Test Your Vocabulary
Who Knew?
-
- What is a ruelle?

Test your visual vocabulary with our 10-question challenge!
TAKE THE QUIZ
Anagram puzzles meet word search.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Share atheism
Time Traveler for atheism
The first known use of atheism was in 1546
See more words from the same year