20 entries under irreligion topic. ×

22
unbeliever(noun, person, belief, detractor, nonconformist)
12
agnostic(noun, person, unbelieving, doubter)
9
freethinker(noun, person, radical, nonconformist)
9
infidel(noun, adjective, person, unbelieving)
8
heathen(noun, adjective, person, not)
7
atheist(noun, person, unbelieving, unbeliever)
4
latitudinarian
4
pyrrhonist
3
deist
3
materialist(noun, person, heterodoxy, cynic)
3
positivist
2
nihilist(noun, person, unbelieving)
2
rationalist(noun, person, unbelieving)
1
alien
1
gentile
1
somatist
0
espri fort(expression, idiom)
0
giaour
0
laatheist
0
theophobist
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APASmart Define. (2015). skeptic thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/skeptic/thesaurus/synonyms
ChicagoSmart Define. 2015. "skeptic thesaurus" https://smartdefine.org/skeptic/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, skeptic thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/skeptic/thesaurus/synonyms>.
MLASmart Define. "skeptic thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/skeptic/thesaurus/synonyms>