240 entries under adjective topic. ×

2
proscribed(offensive, permitted, prohibited, unthinkable)
2
reject(offensive, suitable, improper, satisfactory)
2
restricted(offensive, permitted, prohibited, unthinkable)
2
rude(offensive, shocking, indecent, unseemly)
2
troublesome(verb, person, bad, nasty)
2
unappealing(offensive, suitable, improper, satisfactory)
2
unattractive(bad, nasty, offensive, horrible)
2
undesired(pain, disagreeable, lousy, unwelcome)
2
uninviting(pain, offensive, suitable, improper)
2
unjustifiable(defended, verbal attack)
2
unmentionable(offensive, permitted, prohibited, unthinkable)
2
unreasonable(immoral, shocking, worthless, intolerable)
2
unsavory(verb, person, offensive, feelings)
2
verboten
1
bad news(expression, bad, rough, poor)
1
disappointing
1
disputable
1
excluded(noun, disagreeable, lousy, unwelcome)
1
grody(bad, rough, poor, nasty)
1
gross(bad, rough, poor, nasty)
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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>