62 entries under adjective topic. ×

8
unauthorized(illegal, permitted, pirate, sanctioned)
6
illegal
6
illicit
6
unlawful
6
unofficial(informal, illegal, pirate, unauthorized)
4
illegitimate
3
unlicensed
3
verboten
2
banned
2
disallowed
2
forbidden
2
informal
2
null(void, unsound, puny, meaningless)
2
outlawed
2
prohibited
2
unapproved(illegal, permitted, illegitimate, unjustified)
2
unendorsed
2
unjustified
2
void(unsound, ineffective, meaningless, ineffectual)
1
avoided(meaningless, invalid, unsubstantiated, unsupported)
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APASmart Define. (2015). unsanctioned thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unsanctioned/thesaurus/synonyms
ChicagoSmart Define. 2015. "unsanctioned thesaurus" https://smartdefine.org/unsanctioned/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, unsanctioned thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unsanctioned/thesaurus/synonyms>.
MLASmart Define. "unsanctioned thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/unsanctioned/thesaurus/synonyms>