97 entries under foul topic. ×

13
rot(verb, break, decline, hurt, reduce)
11
harm(noun, verb, break, dull, hurt)
10
decayed(verb, adjective, weak, offensive)
10
desecrate(verb, abuse, harm, spoil)
10
infect(verb, hurt, harm, clean)
9
soil(verb, dull, hurt, harm, clean)
9
tarnish(verb, break, dull, hurt, ruin)
8
befoul(verb, dull, hurt, dirty)
8
unclean(adjective, bad, low, offensive, base)
7
decay(noun, verb, decline, hurt, reduce)
7
impure(noun, adjective, bad, mixed, evil)
7
rank(adjective, disgusting, rotten, polluted)
7
unhealthy(adjective, good, evil, clean, offensive)
6
alloy(verb, cut, decline, thin)
6
deleterious(adjective, evil, low, vicious)
6
injure(verb, break, dull, decline, hurt)
6
noxious(adjective, bad, evil, base)
6
rancid(adjective, disgusting, stale, rotten)
6
smirch(verb, dirty, stain, smear)
5
loathsome(adjective, bad, evil, base)
10 years ago|45k views|share |citing 
APASmart Define. (2016). corrupt thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/corrupt/thesaurus/synonyms
ChicagoSmart Define. 2016. "corrupt thesaurus" https://smartdefine.org/corrupt/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, corrupt thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/corrupt/thesaurus/synonyms>.
MLASmart Define. "corrupt thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/corrupt/thesaurus/synonyms>