33 entries under illegitimate topic. ×

4
black-market(adjective, pirate, unlawful, prohibited)
4
dirty(adjective, bad, wrong, corrupt, vicious)
4
extralegal(adjective, unlawful, prohibited, illicit)
3
against the law(expression, adjective, idiom, wrong)
3
misbegotten(adjective, illicit)
2
heavy(adjective, wrong, informal, senseless)
2
under the table(expression, adjective, permitted, unjustified)
2
wildcat(adjective, wrong, senseless, unlawful)
1
not approved(expression, adjective, unlawful, prohibited)
1
not legal(expression, adjective, unlawful, prohibited)
1
outside the law(expression, adjective, unlawful, prohibited)
1
racket(adjective, wrong, senseless, unlawful)
0
nefarious(wrong, corrupt, wicked, dishonest, criminal)
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APASmart Define. (2015). illegal thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/illegal/thesaurus/synonyms
ChicagoSmart Define. 2015. "illegal thesaurus" https://smartdefine.org/illegal/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, illegal thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/illegal/thesaurus/synonyms>.
MLASmart Define. "illegal thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/illegal/thesaurus/synonyms>