6
criminal(adjective, illegal)
5
actionable(adjective, illegal)
4
penal
4
unlawful(adjective, illegal)
4
wrongful(adjective, illegal)
3
illegal(adjective, illegal)
3
bootleg(adjective, illegal)
3
felonious(adjective, illegal)
3
illegitimate(adjective, illegal)
3
lawless(adjective, illegal)
3
unauthorized(adjective, illegal)
3
unconstitutional(adjective, illegal)
3
culpable(adjective, responsible)
3
indictable
2
illicit(adjective, illegal)
2
forbidden(adjective, illegal)
2
offensive(adjective, illegal)
2
unjust(adjective, illegal)
1
against the law(expression, idiom)
1
anarchic
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APASmart Define. (2015). punishable thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/punishable/thesaurus/synonyms
ChicagoSmart Define. 2015. "punishable thesaurus" https://smartdefine.org/punishable/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, punishable thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/punishable/thesaurus/synonyms>.
MLASmart Define. "punishable thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/punishable/thesaurus/synonyms>