Synonyms|285Antonyms|95|Broader|6Narrower|0Related|145

19 entries under irregular topic. ×

28
unlawful(adjective, law, right, unwarranted)
20
illegitimate(adjective, law, unwarranted, legal)
15
criminal(adjective, wrong, unwarranted, legal)
12
felonious(adjective, unwarranted, criminal, legal)
11
outlawed(adjective, law, unwarranted, criminal)
11
lawless(adjective, law, unwarranted, criminal)
9
unlicensed(adjective, unwarranted, criminal, legal)
8
crooked(adjective, unwarranted, criminal, legal)
4
black-market(adjective, unwarranted, criminal, legal)
2
heavy(adjective, wrong, informal, senseless)
2
unwarrantable(unwarranted, criminal, illegal, illegitimate)
2
wildcat(wrong, senseless, unwarranted, illegal)
1
extralegal(unwarranted, criminal, illegal, illegitimate)
1
not approved(expression, unwarranted, criminal, illegitimate)
1
not legal(expression, unwarranted, criminal, illegal)
1
outside the law(expression, unwarranted, criminal, illegitimate)
1
racket(adjective, wrong, senseless, unwarranted)
1
shady(adjective, wrong, unwarranted, criminal)
1
under the table(expression, adjective, unwarranted, criminal)
For more, visit Illicit on Power Thesaurus
11 years ago|8.6k views|share |citing 
APASmart Define. (2015). illicit thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/illicit/thesaurus/synonyms
ChicagoSmart Define. 2015. "illicit thesaurus" https://smartdefine.org/illicit/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, illicit thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/illicit/thesaurus/synonyms>.
MLASmart Define. "illicit thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/illicit/thesaurus/synonyms>