192 entries under adjective topic. ×

4
villainous(wrong, corrupt, wicked, depraved)
3
blameworthy(wicked, dishonest, immoral, unwarranted)
3
cheating(bad, wrong, corrupt, dishonest)
3
depraved(wrong, corrupt, wicked, immoral)
3
disreputable(bad, wrong, dishonest, immoral)
3
dissolute(wrong, corrupt, wicked, dishonest)
3
fake(bad, wrong, dishonest, immoral)
3
felonious
3
impure(wrong, evil, corrupt, wicked)
3
insidious(dishonest, cunning, deceitful, sneaky)
3
naughty(wrong, rude, vulgar, immoral)
3
nefarious(bad, wrong, evil, corrupt)
3
perverted
3
reprehensible(rude, immoral, shocking, indecent)
3
slick(wrong, informal, dishonest, immoral)
3
treacherous(low, dishonest, immoral, cunning)
3
two-faced(bad, wrong, corrupt, dishonest)
3
underhanded(corrupt, dishonest, immoral, cunning)
3
unjust(rude, wicked, dishonest, immoral)
3
unlawful(wicked, dishonest, immoral, unwarranted)
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APASmart Define. (2015). unethical thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unethical/thesaurus/synonyms
ChicagoSmart Define. 2015. "unethical thesaurus" https://smartdefine.org/unethical/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, unethical thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unethical/thesaurus/synonyms>.
MLASmart Define. "unethical thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/unethical/thesaurus/synonyms>