2
shameless(adjective, cruel, unreasonable, dishonest, immoral)
2
tabu
2
unallowed
2
under the table(expression, adjective, idiom)
2
undeserved(unwarranted, iniquitous, unjust)
2
unjustified
2
unlawfulness
2
unmerited(unwarranted, iniquitous, unjust)
2
unreasonable(adjective, dishonest, extreme, improper, stiff)
2
unrighteous(wrong, senseless, illegal, lawless, felonious)
2
unwarrantable(adjective, extreme, irregular, improper, extravagant)
2
vicious(adjective, wrong, corrupt, wicked, unreasonable)
2
vile(adjective, cruel, wicked, unreasonable, dishonest)
2
wildcat(wrong, irregular, senseless, unwarranted, criminal)
1
aberrant
1
abnormal
1
absonant(extreme, improper, senseless, excessive, arbitrary)
1
adulterine
1
anarchic
1
anarchistic
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APASmart Define. (2015). unlawful thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unlawful/thesaurus/synonyms
ChicagoSmart Define. 2015. "unlawful thesaurus" https://smartdefine.org/unlawful/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, unlawful thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unlawful/thesaurus/synonyms>.
MLASmart Define. "unlawful thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/unlawful/thesaurus/synonyms>