- Definitions|2
- Thesaurus|2.6k
- Abbreviations|0
240 entries under adjective topic. ×
| deficient(bad, rough, poor, awful) | |
| displeasing(noun, bad, poor, nasty) | |
| dreadful(verb, person, feelings, emotions) | |
| extreme(endured, defended, verbal attack) | |
| forbidden(offensive, permitted, prohibited, unthinkable) | |
| harsh | |
| hideous | |
| horrible(offensive, unpleasant, disagreeable, obnoxious) | |
| ill-favored(like, unpleasant, suitable, disagreeable) | |
| inapplicable(inappropriate, unfit, unsuitable, unfitting) | |
| insufficient(bad, poor, offensive, inferior) | |
| loathsome(verb, person, feelings, emotions) | |
| lousy(noun, bad, rough, poor) | |
| nasty(bad, unpleasant, awful, terrible) | |
| prohibited(offensive, permitted, unthinkable, unmentionable) | |
| unlikely(inappropriate, unsuitable, unsuited, inapt) | |
| unspeakable | |
| abhorrent(bad, nasty, offensive, horrible) | |
| absurd(intolerable, defended, ungovernable, verbal attack) | |
| defective(verb, person, feelings, emotions) |
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| APA | Smart Define. (2016). unacceptable thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unacceptable/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "unacceptable thesaurus" https://smartdefine.org/unacceptable/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, unacceptable thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unacceptable/thesaurus/synonyms>. |
| MLA | Smart Define. "unacceptable thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/unacceptable/thesaurus/synonyms> |