8
unpleasant(adjective, nasty, awful, terrible, disgusting)
8
weird(adjective, strange, horrible, grotesque, look like)
7
abnormal(adjective, appearance, dislike, strange, disgusting)
7
direful(adjective, awful, terrible, horrible, afraid)
7
dreaded(adjective, awful, terrible, horrible, afraid)
7
freaky(adjective, strange, look like)
7
grievous(adjective, awful, terrible, horrible, afraid)
7
malformed(adjective, appearance, dislike, strange, disgusting)
7
noisome(adjective, blue, taste, nasty, offensive)
7
spine-chilling(adjective, awful, terrible, horrible, afraid)
7
unbeautiful(adjective, appearance, awful, revolting, unattractive)
7
uncomely(adjective, appearance, awful, horrible, revolting)
6
abysmal(adjective, taste, awful, terrible, horrible)
6
cursed(adjective, taste, dislike, awful, terrible)
6
displeasing(adjective, ugly)
6
extreme(adjective, expensive, high-priced, pricey, endured)
6
flagrant(adjective, awful, terrible, horrible, afraid)
6
freakish(adjective, strange, look like)
6
ill-favoured(adjective, appearance, dislike, disgusting, ugly)
6
nefarious(adjective, evil, dislike, disgusting, hate)
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APASmart Define. (2016). hideous thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/hideous/thesaurus/synonyms
ChicagoSmart Define. 2016. "hideous thesaurus" https://smartdefine.org/hideous/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, hideous thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/hideous/thesaurus/synonyms>.
MLASmart Define. "hideous thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/hideous/thesaurus/synonyms>