13
dirtiness(noun, state, quality, wrong, abuse)
13
filth(noun, state, wrong, evil, waste)
11
filthiness(noun, state, quality, wrong, evil)
9
obscenity(noun, state, quality, wrong, evil)
9
smuttiness(noun, state, quality, wrong, evil)
9
vulgarity(noun, state, quality, wrong, evil)
8
corruption(noun, abuse, waste, refuse, pollution)
8
defilement(noun, abuse, harm, waste, clean)
8
impurity(noun, wrong, abuse, evil, harm)
8
nastiness(noun, waste, refuse, dishonesty, corruption)
8
rankness(noun, unpleasantness, sourness, awfulness, dreadfulness)
7
contamination(noun, abuse, waste, refuse, pollution)
7
decay(disease, immorality, pollution, corruption, depravity)
7
dirt(noun, wrong, evil, waste, refuse)
7
lewdness(noun, state, quality, wrong, evil)
7
pollution(noun, waste, clean, refuse, corruption)
7
squalor(noun, state, clean, condition, poverty)
7
taint(noun, abuse, disease, deterioration, pollution)
6
adulteration(noun, abuse, disease, immorality, pollution)
6
evil(noun, wrong, evil, harm, rudeness)
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APASmart Define. (2015). foulness thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/foulness/thesaurus/synonyms
ChicagoSmart Define. 2015. "foulness thesaurus" https://smartdefine.org/foulness/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, foulness thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/foulness/thesaurus/synonyms>.
MLASmart Define. "foulness thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/foulness/thesaurus/synonyms>