Synonyms|167Antonyms|66|Broader|7Narrower|1Related|192
2
sectarianism(noun, doubt, uncertainty, dissent, error)
2
sinfulness(noun, impiety)
2
unbelievingness(noun, doubt, discredit, skepticism, disbelief)
2
unfaith(noun, doubt, discredit, skepticism, disbelief)
2
unfaithfulness(noun, impiety)
2
unholiness(noun, impiety)
1
antichristianism(noun, irreligion)
1
barbarism(noun, sectarianism)
1
defection(noun, doubt, uncertainty, dissent, error)
1
demonism(noun, sectarianism)
1
demonolatry(noun, sectarianism)
1
denominationalist(noun, sectarianism)
1
desertion
1
dissent(noun, doubt, uncertainty, error, deviation)
1
divergence(noun, doubt, uncertainty, dissent, error)
1
dogmatic(noun, irreligion)
1
error(noun, doubt, uncertainty, dissent, deviation)
1
factionalism(noun, sectarianism)
1
fall from grace(expression, idiom)
1
fallacy(noun, doubt, uncertainty, dissent, error)
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ChicagoSmart Define. 2015. "atheism thesaurus" https://smartdefine.org/atheism/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, atheism thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/atheism/thesaurus/synonyms>.
MLASmart Define. "atheism thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/atheism/thesaurus/synonyms>