A person who believes that no deities exist (especially, one who has no other religious belief). (noun)
Of or relating to atheists or atheism; atheistic. (adjective)
Examples of word atheist
"Our hope it to encourage non-religious members of our community to not shy away from the term atheist and for believers to recognize that atheists are not anti-theists."
To be clear, the term "atheist" is not synonymous with the terms "non-believer" or "none" a catch-all category used by many researchers.
Just as we thankfully no longer use the world colored, we should abandon the term atheist.
The word atheist is analogous to the denigrating word "colored" to describe African Americans, which was meant to say they are colored relative to the pure "standard" of white.
The solution is to abandon completely the use of the term atheist, just as polite society no longer uses the "N" word to describe African-Americans, "Rag Heads" for Arabs or "Wet Backs" for those south of the border.
I'm not comfortable with the term atheist either, but would put myself into the agnostic category.
I don't even use the term atheist or agnostic anymore.