1
ruled out
1
sacrilegious
1
scheming
1
senseless(adjective, wrong, corrupt, vicious, unreasonable)
1
shady(adjective, wrong, corrupt, irregular, unwarranted)
1
tabooed
1
too-too(adjective, unreasonable, extreme, improper, stiff)
1
too great(expression, adjective, extreme, improper, stiff)
1
too much(expression, adjective, extreme, improper, stiff)
1
triable
1
unacceptable
1
unapproved
1
unauthorised
1
unbalanced
1
uncalled-for(adjective, unreasonable, extreme, improper, stiff)
1
unchartered
1
under-the-table
1
under the ban(expression, idiom)
1
unequal
1
uneven
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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>