Synonyms|97Antonyms|25|Broader|0Narrower|0Related|115
2
unallowed
2
unofficial
2
unwarranted
1
against the law(expression, adjective, idiom, illegal)
1
outlawed(adjective, illegal)
1
unchartered(adjective, illegality, undueness)
1
banned(adjective, illegal)
1
contraband
1
contrary to law(expression, idiom)
1
counterfeit
1
foul
1
invalid
1
prohibited(adjective, illegal)
1
anarchic
1
anarchistic
1
anomic
1
anticonstitutional
1
black-market
1
black market
1
chargeable
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APASmart Define. (2015). unconstitutional thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unconstitutional/thesaurus/synonyms
ChicagoSmart Define. 2015. "unconstitutional thesaurus" https://smartdefine.org/unconstitutional/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, unconstitutional thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unconstitutional/thesaurus/synonyms>.
MLASmart Define. "unconstitutional thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/unconstitutional/thesaurus/synonyms>