5
dubious
5
evil(adjective, bad, wicked, naughty, villainous)
5
heathenish
5
immoral(adjective, bad, evil, wicked, deceitful)
5
infidel(adjective, unbelieving)
4
bad(adjective, evil, wicked)
4
disbelieving
4
heretical
4
lapsed
4
nonreligious(adjective, ungodly, unspiritual)
4
unreligious
4
unrighteous(bad, evil, wicked, immoral, deceitful)
3
creedless
3
fallen(adjective, impious)
3
secular(adjective, unholy, unhallowed, unconsecrated, unblessed)
3
unchristian(adjective, impious)
3
unhallowed(adjective, wicked, immoral, deceitful, contrary)
3
worldly
2
amoral
2
corrupt(adjective, bad, evil, wicked, irreverent)
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APASmart Define. (2016). irreligious thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/irreligious/thesaurus/synonyms
ChicagoSmart Define. 2016. "irreligious thesaurus" https://smartdefine.org/irreligious/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, irreligious thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/irreligious/thesaurus/synonyms>.
MLASmart Define. "irreligious thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/irreligious/thesaurus/synonyms>