8
rotten(adjective, good, clean, corrupt, dishonest)
8
shameful(adjective, wrong, evil, wicked, immoral)
8
ungodly(adjective, awful, terrible, horrible, afraid)
8
unspeakable(adjective, terrible, vicious, shocking, shameful)
7
cruel(adjective, awful, terrible, horrible, afraid)
7
diabolic
7
fiendish
7
infernal
7
malevolent(adjective, corrupt, immoral, shocking, shameful)
6
devilish
6
dire(adjective, awful, terrible, horrible, afraid)
6
horrendous(adjective, awful, terrible, horrible, afraid)
6
miscreant(adjective, good, evil, clean, low)
6
nasty(adjective, awful, terrible, horrible, afraid)
6
reprobate
6
unprincipled
6
wrong
5
abandoned(adjective, wrong, evil, low, corrupt)
5
amoral
5
beastly(adjective, awful, terrible, horrible, afraid)
11 years ago|11k views|share |citing 
APASmart Define. (2015). flagitious thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/flagitious/thesaurus/synonyms
ChicagoSmart Define. 2015. "flagitious thesaurus" https://smartdefine.org/flagitious/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, flagitious thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/flagitious/thesaurus/synonyms>.
MLASmart Define. "flagitious thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/flagitious/thesaurus/synonyms>