Optimist and Unbeliever
Opposite meaning words
Optimist
Optimist noun - A person disposed to take a favorable view of things.
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Synonyms for Optimist
Unbeliever is an antonym for optimist.
Unbeliever
Unbeliever noun - A person who is always ready to doubt or question the truth or existence of something.
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Synonyms for Unbeliever
Cite this Source
Unbeliever and Optimist. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/optimist/unbeliever
Optimist & Unbeliever. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/optimist/unbeliever>.
Unbeliever or Optimist. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/optimist/unbeliever.
Google Ngram Viewer shows how "optimist" and "unbeliever" have occurred on timeline