Synonyms|457Antonyms|115|Broader|9Narrower|12Related|204

78 entries under wrong topic. ×

3
aberrant
3
against the law(expression, adjective, idiom, illegitimate)
3
corrupt(adjective, bad, vicious, wicked)
3
flawed
3
unethical(adjective, bad, corrupt, wicked)
3
unscrupulous(adjective, bad, corrupt, dishonest)
2
heavy(adjective, informal, senseless, illegitimate)
2
off base(expression, senseless, permitted, unjustified)
2
out of line(expression, idiom, senseless, permitted)
2
scandalous(corrupt, wicked, dishonest, criminal)
2
unfit
2
unrighteous(senseless, unlawful, lawless, illicit)
2
untrue(adjective, fake, deceitful, worthless)
2
vicious(unreasonable, improper, unwarranted, prejudiced)
2
villainous(adjective, wicked, criminal, unlawful)
2
wildcat(adjective, senseless, illegitimate, unlawful)
1
cheating(adjective, bad, corrupt, unreasonable)
1
culpable(wicked, unreasonable, improper, senseless)
1
dishonorable(evil, corrupt, unreasonable, dishonest)
1
erroneous
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ChicagoSmart Define. 2015. "illegal thesaurus" https://smartdefine.org/illegal/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, illegal thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/illegal/thesaurus/synonyms>.
MLASmart Define. "illegal thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/illegal/thesaurus/synonyms>