11
abhorrent(adjective, good, mean, bad, nasty)
11
detestable(adjective, good, nasty, offensive, unpleasant)
11
dishonest(adjective, characteristic, immoral, untrustworthy, crooked)
11
execrable(adjective, evil, nasty, offensive, vile)
11
heinous(adjective, bad, simple, wrong, evil)
11
hideous(adjective, nasty, unpleasant, awful, disgusting)
11
repugnant(adjective, good, nasty, offensive, unpleasant)
10
appalling(adjective, bad, severe, nasty, terrible)
10
beastly(adjective, nasty, offensive, awful, terrible)
10
depraved(adjective, good, wrong, evil, clean)
10
hateful(adjective, nasty, offensive, unpleasant, awful)
10
mouldy
10
nauseous(adjective, strong, offensive, sweet, foul)
10
off(adjective, bad, rank, inferior, foul)
10
repellent(adjective, bad, nasty, offensive, unpleasant)
10
shoddy(adjective, good, mean, bad, weak)
10
sinful(adjective, bad, wrong, evil, violent)
9
crappy(adjective, mean, bad, poor, nasty)
9
deceitful(adjective, characteristic, dishonest, immoral)
9
defective(adjective, mean, bad, false, property)
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APASmart Define. (2016). rotten thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/rotten/thesaurus/synonyms
ChicagoSmart Define. 2016. "rotten thesaurus" https://smartdefine.org/rotten/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, rotten thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/rotten/thesaurus/synonyms>.
MLASmart Define. "rotten thesaurus" 3 April 2016. Web. 23 September 2026. <https://smartdefine.org/rotten/thesaurus/synonyms>