11
serious(adjective, bad, offensive, unpleasant, heavy)
11
surly(adjective, mean, blue, low, difficult)
10
bad-tempered(adjective, mean, hard, evil, rough)
10
cantankerous(adjective, mean, hard, evil, rough)
10
displeasing(adjective, arouse bad emotions)
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
misshapen(adjective, appearance, dislike, strange, disgusting)
10
nauseous(adjective, unpleasant, horrible, disagreeable, dreadful)
9
abhorrent(adjective, person, tough, offensive, dark)
9
awkward(adjective, rough, rude, common, coarse)
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)
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APASmart Define. (2016). ugly thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/ugly/thesaurus/synonyms
ChicagoSmart Define. 2016. "ugly thesaurus" https://smartdefine.org/ugly/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, ugly thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/ugly/thesaurus/synonyms>.
MLASmart Define. "ugly thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/ugly/thesaurus/synonyms>