4
stomach-turning(adjective, disgusting, revolting, hideous, sickening)
4
unclean(adjective, adverb, bad, blue, nasty)
4
vomit-provoking
3
agonizing(adjective, endured)
3
bad to the bone
3
baneful(adjective, evil)
3
crummy(adjective, bad, awful, terrible, disgusting)
3
disgraceful(adjective, evil, offensive, unpleasant, base)
3
displeasing(adjective, offensive, unpleasant, painful, tasteless)
3
egregious(adjective, evil, offensive, unpleasant, terrible)
3
excruciating(adjective, endured)
3
extreme(adjective, endured)
3
fearful(adjective, mean, severe, unpleasant, awful)
3
frightening(adjective, awful, terrible, foul, disgusting)
3
funky
3
grewsome(adjective, endured)
3
grotty(adjective, bad, awful, terrible, disgusting)
3
harsh(adjective, endured)
3
hellish(adjective, bad, evil, offensive, awful)
3
iniquitous(adjective, bad, evil, offensive, unpleasant)
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APASmart Define. (2016). loathsome thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/loathsome/thesaurus/synonyms
ChicagoSmart Define. 2016. "loathsome thesaurus" https://smartdefine.org/loathsome/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, loathsome thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/loathsome/thesaurus/synonyms>.
MLASmart Define. "loathsome thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/loathsome/thesaurus/synonyms>