2
improper(adjective, wicked)
2
infamous(adjective, vice)
2
knavish
2
obnoxious(adjective, wicked)
2
offensive(adjective, illegal)
2
perverse(adjective, wicked)
2
prohibited
2
scurvy
2
unconscionable
2
under-the-counter
2
underhand
2
unlicensed(adjective, illegal)
1
accursed
1
amoral
1
anarchistic
1
bandit
1
banned
1
black-market
1
black market
1
caught(wrong, senseless, illegal, unlawful, lawless)
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APASmart Define. (2015). felonious thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/felonious/thesaurus/synonyms
ChicagoSmart Define. 2015. "felonious thesaurus" https://smartdefine.org/felonious/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, felonious thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/felonious/thesaurus/synonyms>.
MLASmart Define. "felonious thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/felonious/thesaurus/synonyms>