73 entries under illegal topic. ×

5
dirty(adjective, bad, wrong, corrupt, vicious)
5
sneaky(adjective, mean, bad, smooth, wrong)
4
lawless(adjective, wrong, irregular, unwarranted, criminal)
4
nefarious(adjective, wrong, corrupt, vicious, dishonest)
4
wicked(adjective, mean, bad, wrong, base)
3
cheating(adjective, bad, wrong, false, corrupt)
3
unjust(adjective, wicked, dishonest, immoral, cunning)
2
base(adjective, mean, corrupt, wicked, dishonest)
2
blameworthy(adjective, cruel, wicked, unreasonable, dishonest)
2
illegitimate(adjective, wrong, irregular, senseless, unwarranted)
2
iniquitous(adjective, wrong, corrupt, vicious, wicked)
2
vile(adjective, cruel, corrupt, wicked, unreasonable)
2
wrongful(adjective, wicked, dishonest, irregular, immoral)
1
culpable(adjective, wrong, corrupt, vicious, wicked)
1
debauched(adjective, wicked, dishonest, immoral, rotten)
1
heavy(wrong, irregular, senseless, unwarranted)
1
low(adjective, corrupt, wicked, unreasonable, dishonest)
1
mean(adjective, bad, smooth, evil, smart)
1
out of line(expression, idiom, wrong, permitted)
1
racket(wrong, irregular, senseless, unwarranted)
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APASmart Define. (2015). crooked thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/crooked/thesaurus/synonyms
ChicagoSmart Define. 2015. "crooked thesaurus" https://smartdefine.org/crooked/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, crooked thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/crooked/thesaurus/synonyms>.
MLASmart Define. "crooked thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/crooked/thesaurus/synonyms>