69 entries under shady topic. ×

24
corrupt(adjective, bad, open, light, free)
23
immoral(adjective, bad, free, wrong, evil)
20
unscrupulous(adjective, bad, wrong, honest, false)
19
dissolute(adjective, bad, free, wrong, evil)
18
dishonest(adjective, bad, wrong, false, corrupt)
14
reprobate(adjective, bad, open, light, wrong)
14
unethical(adjective, bad, wrong, evil, low)
11
crooked(adjective, bad, wrong, false, corrupt)
11
base(adjective, bad, wrong, evil, violent)
11
iniquitous(adjective, bad, wrong, evil, violent)
10
vicious(adjective, bad, open, light, wrong)
8
treacherous(adjective, low, false, corrupt, dishonest)
8
venal(adjective, corrupt, dishonest, immoral, rotten)
7
debauched(adjective, open, light, evil, loose)
6
fraudulent(adjective, false, corrupt, dishonest, immoral)
6
knavish(adjective, wicked, dishonest, immoral, rotten)
6
perfidious(adjective, false, dishonest, immoral, deceitful)
5
bent(adjective, informal, false, corrupt, dishonest)
5
disgraceful(adjective, corrupt, vile, dishonest)
5
nefarious(adjective, bad, wrong, evil, violent)
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APASmart Define. (2015). unprincipled thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unprincipled/thesaurus/synonyms
ChicagoSmart Define. 2015. "unprincipled thesaurus" https://smartdefine.org/unprincipled/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, unprincipled thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unprincipled/thesaurus/synonyms>.
MLASmart Define. "unprincipled thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/unprincipled/thesaurus/synonyms>