240 entries under adjective topic. ×

3
unpopular(pain, offensive, disagreeable, lousy)
3
unsustainable(defended, verbal attack)
3
vicious
3
wanting
2
anathema(offensive, permitted, prohibited, unthinkable)
2
banned(offensive, permitted, prohibited, unthinkable)
2
barred(prohibited, precluded)
2
bothersome(verb, person, offensive, feelings)
2
dirty(rude, shocking, indecent)
2
faulty
2
flawed
2
half-baked(offensive, suitable, improper, satisfactory)
2
icky(verb, person, bad, rough)
2
impolite(rude, shocking, indecent)
2
incongruous(bad, wrong, terrible, inadequate)
2
interdicted
2
irrational(worthless, defended, verbal attack, unenforceable)
2
out(possible, gone)
2
outlawed(offensive, permitted, prohibited, unthinkable)
2
outrageous(terrible, immoral, shocking, intolerable)
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APASmart Define. (2016). unacceptable thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unacceptable/thesaurus/synonyms
ChicagoSmart Define. 2016. "unacceptable thesaurus" https://smartdefine.org/unacceptable/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, unacceptable thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unacceptable/thesaurus/synonyms>.
MLASmart Define. "unacceptable thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/unacceptable/thesaurus/synonyms>