15 entries under unwarranted topic. ×

27
prohibited(verb, adjective, adverb, irregular, restricted)
20
banned(verb, adjective, adverb, irregular, restricted)
16
taboo(adjective, adverb, allow, informal, irregular)
14
proscribed(verb, adjective, irregular, illegitimate)
11
outlawed(verb, adjective, offensive, irregular)
3
improper(adjective, unreasonable, dishonest, unseemly)
3
unfair(adjective, unreasonable, improper, unseemly)
3
unjust(adjective, unreasonable, improper, excessive)
1
exceeding(adjective, unreasonable, improper, excessive)
1
inept(adjective, unreasonable, improper, unseemly)
1
sinister(adjective, unreasonable, improper, excessive)
1
underhanded(adjective, unreasonable, improper, excessive)
1
undeserved(adjective, unreasonable, improper, excessive)
1
unjustifiable(adjective, unreasonable, improper, excessive)
1
unwarrantable(adjective, unreasonable, irregular, improper, excessive)
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APASmart Define. (2015). forbidden thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/forbidden/thesaurus/synonyms
ChicagoSmart Define. 2015. "forbidden thesaurus" https://smartdefine.org/forbidden/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, forbidden thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/forbidden/thesaurus/synonyms>.
MLASmart Define. "forbidden thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/forbidden/thesaurus/synonyms>