7 entries under unbelieving topic. ×

25
heathen(noun, adjective, not, irreligion)
17
agnostic(noun, adjective, irreligion, unbeliever)
7
faithless
7
irreligious
4
skeptic(noun, person, irreligion, unbeliever)
4
atheistic
4
dubious
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APASmart Define. (2015). infidel thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/infidel/thesaurus/synonyms
ChicagoSmart Define. 2015. "infidel thesaurus" https://smartdefine.org/infidel/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, infidel thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/infidel/thesaurus/synonyms>.
MLASmart Define. "infidel thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/infidel/thesaurus/synonyms>