2
wildcat(wrong, irregular, senseless, unwarranted, illegal)
1
adulterine
1
ambiguity
1
anarchic
1
anarchistic
1
anomic
1
bad
1
barred
1
bent(adjective, wrong, senseless, illegal, unlawful)
1
black market
1
but
1
chargeable
1
counterfeit
1
disallowed(adjective, undueness)
1
disentitled
1
disqualified
1
embezzled
1
evil
1
extracurricular
1
extrajudicial
11 years ago|8.6k views|share |citing 
APASmart Define. (2015). illicit thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/illicit/thesaurus/synonyms
ChicagoSmart Define. 2015. "illicit thesaurus" https://smartdefine.org/illicit/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, illicit thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/illicit/thesaurus/synonyms>.
MLASmart Define. "illicit thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/illicit/thesaurus/synonyms>