66 entries under foul topic. ×

9
corrupt(verb, dull, hurt, harm, clean)
9
spatter(verb, cover, attack, mark, criticize)
8
discolor(noun, verb, dull, cover, hurt)
7
degrade(verb, activity, dirty, corrupt)
7
vitiate(verb, dull, hurt, harm, spoil)
6
smutch(noun, verb, cover, clean)
5
blur(noun, verb, cover, hurt, harm)
5
draggle(noun, verb, stain, uncleanness)
5
infect(verb, hurt, harm, clean, corrupt)
4
adulterate(verb, hurt, damage, harm, spoil)
4
besoil(verb, clean, dirty, stain)
4
blotch(noun, verb, cover, mark, dirty)
4
debauch(verb, blemish, dishonor, smear)
4
injure(verb, dull, criticize, stain)
4
mess(verb, dirty, sully)
4
mold(noun, verb, stain, land)
4
smoke(verb, stain, uncleanness, pollute)
4
tar(verb, dull, cover, hurt, harm)
3
desecrate(verb, catch, harm, corrupt)
3
maculate(verb, dirty, corrupt, taint)
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APASmart Define. (2015). soil thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/soil/thesaurus/synonyms
ChicagoSmart Define. 2015. "soil thesaurus" https://smartdefine.org/soil/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, soil thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/soil/thesaurus/synonyms>.
MLASmart Define. "soil thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/soil/thesaurus/synonyms>