14 entries under unbeliever topic. ×

22
atheist(noun, adjective, person, view, disbelieve)
21
infidel(noun, adjective, coarse, not, irreligion)
16
agnostic(noun, adjective, not, ungodly, irreligion)
11
heretic(noun, adjective, sectarian, heterodoxy)
10
unbeliever(noun, irreligion)
7
nonbeliever(noun, adjective, not)
6
disbeliever
6
skeptic(noun, adjective, person, not, irreligion)
2
cynic
2
irreligionist(noun, nonbeliever)
1
free thinker(noun, expression, nonbeliever)
0
doubter
0
dissenter
0
pessimist
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APASmart Define. (2016). heathen thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/heathen/thesaurus/synonyms
ChicagoSmart Define. 2016. "heathen thesaurus" https://smartdefine.org/heathen/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, heathen thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/heathen/thesaurus/synonyms>.
MLASmart Define. "heathen thesaurus" 26 February 2016. Web. 1 October 2026. <https://smartdefine.org/heathen/thesaurus/synonyms>