6
monstrous(adjective, bad, severe, low, awful)
6
perverse(adjective, good, mean, bad, clean)
6
punk(adjective, bad, informal, inferior, despicable)
6
rotted
6
shameless(adjective, bad, hard, wrong, evil)
6
squalid(adjective, mean, offensive, unpleasant, awful)
6
subpar(adjective, weak, poor, miserable, inferior)
6
unbearable(adjective, nasty, horrible, hateful, loathsome)
6
unhappy(adjective, bad, nasty, sad, offensive)
6
unspeakable(adjective, endured)
6
unwholesome(adjective, characteristic, unhealthy, harmful, injurious)
6
wasted(verb, adjective, bad, weakness, nasty)
6
weak(adjective, mean, bad, strong, poor)
6
wrong(adjective, bad, informal, inferior, suitable)
5
acute(adjective, endured)
5
bent(adjective, dishonest, immoral, untrustworthy, crooked)
5
corroded(adjective, decayed, ruined, decaying, brittle)
5
crooked(adjective, dishonest, immoral, untrustworthy, shady)
5
decaying
5
decrepit(adjective, uncertain, feeble, deterioration, hesitant)
10 years ago|36k views|share |citing 
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>