64 entries under bad topic. ×

5
damnable(adjective, evil, vile, wicked)
5
fiendish(adjective, wrong, evil, nasty)
5
rank(adjective, evil, offensive, unpleasant)
5
repulsive(adjective, evil, offensive, unpleasant)
5
unprincipled(adjective, wrong, evil, violent)
4
glaring(adjective, sinful)
4
infernal(adjective, evil, vile, wicked)
4
opprobrious(adjective, evil, wicked, immoral)
4
putrid(adjective, evil, offensive, unpleasant)
3
pernicious(adjective, hurtful)
3
revolting(adjective, evil, offensive, unpleasant)
3
unethical(adjective, wrong, evil, corrupt)
2
dangerous(adjective, wicked, harmful, injurious)
2
detrimental(adjective, evil, harmful, injurious)
2
harmful(corrupt, immoral, sinful, injurious)
2
hateful(adjective, offensive, unpleasant, violent)
2
indecent(adjective, wrong, evil, offensive)
2
noisome(adjective, evil, offensive, unpleasant)
1
injurious(corrupt, immoral, harmful, sinful)
1
stinking(adjective, evil, offensive, unpleasant)
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APASmart Define. (2015). nefarious thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/nefarious/thesaurus/synonyms
ChicagoSmart Define. 2015. "nefarious thesaurus" https://smartdefine.org/nefarious/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, nefarious thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/nefarious/thesaurus/synonyms>.
MLASmart Define. "nefarious thesaurus" 8 October 2015. Web. 22 September 2026. <https://smartdefine.org/nefarious/thesaurus/synonyms>