57 entries under adjective topic. ×

15
forbidden(allow, illegal, allowed, prohibited)
14
taboo(allow, illegal, allowed)
13
prohibited
9
illegal
9
proscribed
8
tabu
7
banned
7
illicit
7
unlawful
6
out
6
unauthorized
5
interdicted
5
outlawed
5
unlicensed
4
illegitimate
4
impermissible(allow, forbidden)
3
contraband
3
criminal
3
disallowed
3
felonious
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APASmart Define. (2015). verboten thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/verboten/thesaurus/synonyms
ChicagoSmart Define. 2015. "verboten thesaurus" https://smartdefine.org/verboten/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, verboten thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/verboten/thesaurus/synonyms>.
MLASmart Define. "verboten thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/verboten/thesaurus/synonyms>