18 entries under irregular topic. ×

12
illicit(adjective, law, unwarranted, criminal)
12
prohibited(verb, adjective, adverb, unwarranted)
11
banned(verb, adjective, adverb, unwarranted)
11
forbidden(verb, adjective, offensive, unwarranted)
8
taboo(adjective, adverb, offensive, unwarranted)
7
proscribed(verb, adjective, offensive, unwarranted)
7
verboten(adjective, unwarranted, criminal, illegitimate)
5
criminal(adjective, unwarranted, illegal, illegitimate)
3
unlicensed(adjective, unwarranted, criminal, illegal)
2
black-market(unwarranted, criminal, illegal, illegitimate)
2
contraband(adjective, unwarranted, criminal, illegitimate)
2
unwarrantable(unwarranted, criminal, illegal, illegitimate)
1
extralegal(unwarranted, criminal, illegal, illegitimate)
1
not approved(expression, unwarranted, criminal, illegal)
1
not legal(expression, unwarranted, criminal, illegal)
1
outside the law(expression, unwarranted, criminal, illegal)
1
racket(unwarranted, criminal, illegal, illegitimate)
1
under the table(expression, adjective, unwarranted, criminal)
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APASmart Define. (2015). outlawed thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/outlawed/thesaurus/synonyms
ChicagoSmart Define. 2015. "outlawed thesaurus" https://smartdefine.org/outlawed/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, outlawed thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/outlawed/thesaurus/synonyms>.
MLASmart Define. "outlawed thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/outlawed/thesaurus/synonyms>