95 entries under obnoxious topic. ×

10
cantankerous(adjective, mean, hard, evil, rough)
10
dour(adjective, person, low, sad, rude)
10
evil(adjective, hard, rough, nasty, rude)
10
forbidding(adjective, person, tough, severe, offensive)
10
grave(adjective, tough, severe, unpleasant, property)
10
mean(adjective, evil, nasty, attitude, informal)
10
nauseous(adjective, unpleasant, horrible, disagreeable, dreadful)
9
distasteful(adjective, unpleasant, awful, terrible, disgusting)
9
quarrelsome(adjective, difficult, unpleasant, horrible, unfriendly)
9
sordid(adjective, unpleasant, awful, terrible, horrible)
9
spiteful(adjective, bad, cross, unpleasant, corrupt)
9
sullen(adjective, upset, blue, low, sad)
9
terrible(adjective, bad, severe, nasty, unpleasant)
9
crabbed(adjective, mean, blue, low, sad)
9
cross(adjective, mean, low, difficult, sad)
9
dreadful(adjective, severe, unpleasant, awful, terrible)
8
ill-natured(adjective, mean, difficult, cross, rude)
8
noisome(adjective, bad, offensive, unpleasant, awful)
8
sinister(adjective, person, unpleasant, feelings, horrible)
8
whiny(adjective, difficult, rude, unpleasant, unfriendly)
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APASmart Define. (2016). ugly thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/ugly/thesaurus/synonyms
ChicagoSmart Define. 2016. "ugly thesaurus" https://smartdefine.org/ugly/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, ugly thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/ugly/thesaurus/synonyms>.
MLASmart Define. "ugly thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/ugly/thesaurus/synonyms>