Atheist
Atheist noun - Someone who denies the existence of god.
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Synonyms for Atheist
Agnostic is a synonym for atheist in sceptic topic. In some cases you can use "Agnostic" instead a noun "Atheist", when it comes to topics like non-believer, nonbeliever.
Agnostic
Agnostic noun - A person who claims that they cannot have true knowledge about the existence of God (but does not deny that God might exist).
Nearby Word: agnosticism
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Agnostic and Atheist. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/atheist/agnostic
Atheist & Agnostic. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/atheist/agnostic>.
Agnostic or Atheist. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/atheist/agnostic.
Google Ngram Viewer shows how "atheist" and "agnostic" have occurred on timeline