20 entries under irreligion topic. ×

25
heathen(noun, adjective, not, unbelieving)
22
atheist(noun, adjective, person, view, disbelieve)
17
agnostic(noun, adjective, unbelieving, unbeliever)
12
gentile(noun, adjective, nonbeliever)
11
unbeliever(noun, unbeliever, nonbeliever)
8
freethinker(noun, radical)
4
skeptic(noun, person, unbelieving, unbeliever)
3
giaour
2
deist
1
alien
1
pyrrhonist
0
espri fort(expression, idiom)
0
laatheist
0
latitudinarian
0
materialist
0
nihilist
0
positivist
0
rationalist
0
somatist
0
theophobist
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APASmart Define. (2015). infidel thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/infidel/thesaurus/synonyms
ChicagoSmart Define. 2015. "infidel thesaurus" https://smartdefine.org/infidel/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, infidel thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/infidel/thesaurus/synonyms>.
MLASmart Define. "infidel thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/infidel/thesaurus/synonyms>