atheists Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition plural noun. people who do not believe in a god. Example Sentence Atheists do not believe in the existence of God or gods. More Example Sentences Atheists often ask questions about faith. Synonyms nonbelievers; skeptics; agnostics Antonyms believers; theists; devotees Hear It! Say It! Write It! atheists Switch to cursive Start Share with your friends: