9 entries under prohibition topic. ×

16
illegal(adjective, unlawful, prohibited, illegality)
7
prohibited(adjective, unlawful, illegality)
7
unauthorized(adjective, unlawful)
4
impermissible(adjective, forbidden)
3
unlicensed
2
not permitted(expression, idiom)
0
beyond the pale(expression, idiom)
0
uncountenanced
0
unthinkable
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APASmart Define. (2015). contraband thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/contraband/thesaurus/synonyms
ChicagoSmart Define. 2015. "contraband thesaurus" https://smartdefine.org/contraband/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, contraband thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/contraband/thesaurus/synonyms>.
MLASmart Define. "contraband thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/contraband/thesaurus/synonyms>