7 entries under unapproved topic. ×

17
illegal(adjective, illegal, permitted, prohibition, sanctioned)
14
illicit(adjective, legal, illegal, forbidden, undueness)
14
unofficial(adjective, informal, permitted, sanctioned, illegality)
13
unsanctioned(adjective, illegal, permitted, pirate, sanctioned)
12
prohibited(adjective, prohibition)
9
forbidden(adjective, illegal)
4
uncertified
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APASmart Define. (2015). unauthorized thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unauthorized/thesaurus/synonyms
ChicagoSmart Define. 2015. "unauthorized thesaurus" https://smartdefine.org/unauthorized/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, unauthorized thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unauthorized/thesaurus/synonyms>.
MLASmart Define. "unauthorized thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/unauthorized/thesaurus/synonyms>