62 entries under terrible topic. ×

12
unsuitable(adjective, offensive, unpleasant, inadequate)
11
objectionable(noun, adjective, bad, like, nasty)
10
unacceptable(noun, adjective, bad, like, nasty)
9
repulsive(adjective, bad, nasty, offensive)
8
obnoxious(noun, adjective, bad, nasty, pain)
8
repugnant(adjective, nasty, offensive, rude, unpleasant)
6
improper(adjective, offensive, distasteful, unacceptable)
5
hateful(adjective, nasty, offensive, unpleasant)
5
offensive(adjective, poor, nasty, unpleasant)
5
repellent(noun, adjective, nasty, offensive, unpleasant)
4
bitter(adjective, nasty, pain, offensive)
4
intolerable(adjective, offensive, rude, unpleasant)
3
abhorrent(adjective, bad, nasty, offensive)
3
abominable(adjective, nasty, offensive, unpleasant)
3
impossible(adjective, unpleasant, extreme, painful)
3
incongruous(intolerable, incredible, unbearable, ungovernable)
3
odious(adjective, nasty, offensive, unpleasant)
2
loathsome(adjective, nasty, offensive, unpleasant)
1
cursed(adjective, nasty, disgusting, vicious)
1
damned(adjective, nasty, disgusting, vicious)
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APASmart Define. (2015). undesirable thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/undesirable/thesaurus/synonyms
ChicagoSmart Define. 2015. "undesirable thesaurus" https://smartdefine.org/undesirable/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, undesirable thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/undesirable/thesaurus/synonyms>.
MLASmart Define. "undesirable thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/undesirable/thesaurus/synonyms>