8
hypocritical
7
faithless
6
insincere(adjective, cool)
5
sinful
4
blasphemous
4
atheist
4
irreligious(adjective, cool, insincere)
3
disloyal(adjective, cool, insincere)
3
godless
3
nonreligious
3
perfidious
3
secular
3
treacherous
2
dispassionate(adjective, cool, insincere)
2
impious
2
irreverent
2
profane
2
sacrilegious
2
traitorous
2
unbelieving(adjective, cool, insincere)
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APASmart Define. (2015). devout thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/devout/thesaurus/antonyms
ChicagoSmart Define. 2015. "devout thesaurus" https://smartdefine.org/devout/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2015, devout thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/devout/thesaurus/antonyms>.
MLASmart Define. "devout thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/devout/thesaurus/antonyms>