6
woeful(adjective, offensive, awful, terrible, afraid)
5
rank(adjective, inexpedience)
5
Gorgonian(adjective, dull, disgusting, ugly, bad-looking)
5
deadly(adjective, awful, terrible, afraid)
5
depraved(adjective, evil, offensive, wicked, immoral)
5
dreaded(adjective, awful, terrible, afraid)
5
eerie(adjective, mean, nasty, dark, unpleasant)
5
egregious(immoral, shocking, shameful, atrocious, disgraceful)
5
excruciating(adjective, endured)
5
ferocious(adjective, strong, severe, intense, awful)
5
fetid
5
fiendish
5
frumpish(adjective, dull, disgusting, ugly, bad-looking)
5
frumpy(adjective, dull, disgusting, ugly, bad-looking)
5
haggish(adjective, dull, disgusting, ugly, bad-looking)
5
lamentable
5
malevolent(adjective, mean, strong, severe, offensive)
5
malodorous(adjective, offensive, foul, disgusting, repulsive)
5
mean(adjective, evil, nasty, unpleasant, base)
5
nefarious(adjective, bad, evil, offensive, base)
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APASmart Define. (2016). horrible thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/horrible/thesaurus/synonyms
ChicagoSmart Define. 2016. "horrible thesaurus" https://smartdefine.org/horrible/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, horrible thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/horrible/thesaurus/synonyms>.
MLASmart Define. "horrible thesaurus" 3 April 2016. Web. 26 September 2026. <https://smartdefine.org/horrible/thesaurus/synonyms>