38 entries under illegal topic. ×

21
criminal(adjective, wrong, wicked, irregular, unwarranted)
16
wicked(adjective, wrong, wicked, criminal)
16
illegal(adjective, wrong, wicked, senseless, criminal)
14
illicit(adjective, irregular, unwarranted, criminal, legal)
14
unlawful(adjective, wrong, irregular, unwarranted, criminal)
10
wrongful(adjective, evil, criminal)
9
illegitimate(adjective, wrong, irregular, senseless, unwarranted)
9
iniquitous(adjective, wrong, wicked, criminal)
8
crooked(adjective, dishonest, irregular, unwarranted, criminal)
7
immoral(adjective, wrong, wicked, dishonest, criminal)
7
lawless(adjective, wrong, irregular, unwarranted, criminal)
5
unauthorized
5
bootleg
5
unconstitutional
5
vicious(adjective, wrong, unlawful)
4
actionable
4
forbidden
4
punishable
4
scandalous(adjective, wrong, wicked, criminal, vice)
4
verboten
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APASmart Define. (2015). felonious thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/felonious/thesaurus/synonyms
ChicagoSmart Define. 2015. "felonious thesaurus" https://smartdefine.org/felonious/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, felonious thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/felonious/thesaurus/synonyms>.
MLASmart Define. "felonious thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/felonious/thesaurus/synonyms>