22 entries under illegal topic. ×

12
illicit(adjective, law, irregular, unwarranted, criminal)
12
prohibited(verb, adjective, adverb, irregular, unwarranted)
11
forbidden(verb, adjective, offensive, irregular, unwarranted)
5
criminal(adjective, irregular, unwarranted, illegitimate)
3
off limits(expression, adjective, offensive, permitted)
3
unconstitutional
3
unlicensed(adjective, irregular, unwarranted, criminal)
2
black-market(irregular, unwarranted, criminal, illegitimate)
2
contrary to law(expression, idiom, illicit)
2
unwarrantable(irregular, unwarranted, criminal, illegitimate)
1
extralegal(irregular, unwarranted, criminal, illegitimate)
1
no-no(adjective, unsanctioned, unapproved)
1
not allowed(expression, idiom, offensive, permitted)
1
not approved(expression, irregular, unwarranted, criminal)
1
not legal(expression, irregular, unwarranted, criminal)
1
outside the law(expression, irregular, unwarranted, criminal)
1
racket(irregular, unwarranted, criminal, illegitimate)
1
under the table(expression, adjective, irregular, unwarranted, criminal)
0
in violation of law(expression, idiom, illicit)
0
indictable(illicit, unsanctioned, unapproved)
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APASmart Define. (2015). outlawed thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/outlawed/thesaurus/synonyms
ChicagoSmart Define. 2015. "outlawed thesaurus" https://smartdefine.org/outlawed/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, outlawed thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/outlawed/thesaurus/synonyms>.
MLASmart Define. "outlawed thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/outlawed/thesaurus/synonyms>