9
terrible(adjective, evil, wicked)
8
debauched(adjective, evil, corrupt, wicked, casual)
8
demonic
8
egregious(adjective, characteristic, evil, shocking, shameful)
8
hellish(adjective, evil, nasty, harsh, vicious)
8
infernal(adjective, evil, wicked, immoral, mysterious)
8
lewd(adjective, wrong, evil, violent, wild)
8
peccant(adjective, feature, state, right, sin)
8
perverted(adjective, evil, wicked, immoral, deceitful)
8
worthless(adjective, characteristic, evil, shameful, wickedness)
7
arch(adjective, characteristic, evil, wickedness)
7
despicable(adjective, evil, wicked, immoral, shocking)
7
ignominious(adjective, disgraceful, dishonorable, reprehensible)
7
improper(adjective, wicked)
7
infamous(adjective, evil, offensive, violent, wild)
7
lascivious
7
low-down(adjective, characteristic, evil, wickedness)
7
not good
7
unlawful(adjective, illegal)
6
awful(adjective, wicked)
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APASmart Define. (2015). sinful thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/sinful/thesaurus/synonyms
ChicagoSmart Define. 2015. "sinful thesaurus" https://smartdefine.org/sinful/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, sinful thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/sinful/thesaurus/synonyms>.
MLASmart Define. "sinful thesaurus" 3 August 2015. Web. 23 September 2026. <https://smartdefine.org/sinful/thesaurus/synonyms>