Synonyms|34Antonyms|0|Broader|0Narrower|0Related|0
12
atheist(noun, adjective, rare)
6
heathen(noun, adjective)
6
pagan(noun, adjective)
5
agnostic(noun, adjective)
5
infidel(noun, adjective)
4
unbeliever
3
godless
3
irreligious
3
sceptic(noun, adjective)
2
atheistic
2
disbeliever
2
heretical
2
unbelieving
1
cynic
1
disbelieving
1
doubter
1
doubting Thomas
1
faithless
1
freethinker
1
gentile
<12>
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ChicagoSmart Define. 2015. "nullifidian thesaurus" https://smartdefine.org/nullifidian/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, nullifidian thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/nullifidian/thesaurus/synonyms>.
MLASmart Define. "nullifidian thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/nullifidian/thesaurus/synonyms>