2
heartless(adjective, bad, hard, wrong, evil)
2
heinous(adjective, wicked)
2
impish(adjective, wicked)
2
mad(adjective, evil, wicked, crazed, devilish)
2
mischievous(adjective, wicked)
2
nefarious(adjective, wicked)
2
perverted(adjective, religious)
2
renegade
2
sinister
2
unsanctified(adjective, nasty, coarse, crude, religious)
2
unspeakable
2
unspiritual
2
unutterable
2
worldly(adjective, irreligious)
1
Machiavellian(adjective, wicked)
1
Mephistophelian
1
accursed
1
accustomed(adjective, hard, unfeeling, unsympathetic, prepared)
1
arch
1
aweless
11 years ago|8.3k views|share |citing 
APASmart Define. (2015). impious thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/impious/thesaurus/synonyms
ChicagoSmart Define. 2015. "impious thesaurus" https://smartdefine.org/impious/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, impious thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/impious/thesaurus/synonyms>.
MLASmart Define. "impious thesaurus" 3 August 2015. Web. 20 September 2026. <https://smartdefine.org/impious/thesaurus/synonyms>