2
putridity(noun, waste, refuse, dishonesty, corruption)
2
raunch(noun, state, quality, slang, decent)
2
repellency(noun, evil)
2
rot(immorality, pollution, decay, corruption, depravity)
2
shabbiness(noun, uncleanness, filth)
2
sinfulness(noun, evil, immorality, depravity, perversion)
2
sinisterness(noun, evil, malevolence)
2
sleaze(noun, wrong, evil, waste, refuse)
2
sloppiness(noun, uncleanness, filthiness, dirtiness, muddiness)
2
smell
2
soil(waste, refuse)
2
spitefulness(noun, malevolence)
2
stink(noun, smell, stench)
2
ugliness(noun, unpleasantness, nefariousness)
2
uncleanliness(noun, state, clean, condition, filthiness)
2
unpleasantness(noun, awfulness, dreadfulness, disagreeableness, unlikableness)
2
unwholesomeness(noun, clean, filthiness, filth, squalor)
2
vulgarism(noun, decay, corruption)
2
vulgarness(noun, state, quality, wrong, evil)
1
X-rating(noun, wrong, evil, rudeness, curse)
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APASmart Define. (2015). foulness thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/foulness/thesaurus/synonyms
ChicagoSmart Define. 2015. "foulness thesaurus" https://smartdefine.org/foulness/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, foulness thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/foulness/thesaurus/synonyms>.
MLASmart Define. "foulness thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/foulness/thesaurus/synonyms>