14 entries under illegal topic. ×

2
black-market(adjective, irregular, unwarranted, criminal)
2
contrary to law(expression, idiom, illicit)
2
criminal(adjective, irregular, unwarranted, illegitimate)
2
outlawed(adjective, irregular, unwarranted, criminal)
1
extralegal(adjective, irregular, unwarranted, criminal)
1
not approved(expression, adjective, irregular, unwarranted, criminal)
1
not legal(expression, adjective, irregular, unwarranted, criminal)
1
outside the law(expression, adjective, irregular, unwarranted, criminal)
1
under the table(expression, adjective, irregular, unwarranted, criminal)
1
unlicensed(adjective, irregular, unwarranted, criminal)
0
in violation of law(expression, idiom, illicit)
0
indictable(illicit, unsanctioned, unapproved)
0
out of line(expression, idiom, illicit, unsanctioned)
0
unrighteous(illicit, unsanctioned, unapproved)
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APASmart Define. (2015). unwarrantable thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unwarrantable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unwarrantable thesaurus" https://smartdefine.org/unwarrantable/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, unwarrantable thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unwarrantable/thesaurus/synonyms>.
MLASmart Define. "unwarrantable thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/unwarrantable/thesaurus/synonyms>