127 entries under foul topic. ×

3
corrupt(adjective, bad, evil, disgusting)
3
evil-smelling(adjective, musty, pungent, stinking)
3
gross(adjective, bad, offensive, disgusting)
3
icky(adjective, bad, offensive, rotten)
3
moldy(adjective, strong, offensive, sweet, corrupt)
3
obscene(adjective, bad, offensive, revolting)
3
odoriferous(adjective, strong, offensive, sweet)
3
ugly(adjective, bad, offensive, revolting)
3
whiffy(adjective, strong, offensive, sweet)
2
dank(adjective, strong, offensive, sweet)
2
frowzy(adjective, bad, decayed, stinking)
2
funky(adjective, bad, gross, pungent)
2
harmful(adjective, bad, evil, offensive, corrupt)
2
loud(adjective, strong, offensive, sweet, corrupt)
2
pungent(adjective, strong, offensive, sweet)
2
stagnant(adjective, strong, offensive, sweet)
2
yecchy(adjective, rotten, stinking, smelly)
1
aromatic(adjective, strong, offensive, sweet)
1
balmy(adjective, strong, offensive, sweet)
1
dangerous(adjective, bad, evil, offensive, corrupt)
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APASmart Define. (2015). mephitic thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/mephitic/thesaurus/synonyms
ChicagoSmart Define. 2015. "mephitic thesaurus" https://smartdefine.org/mephitic/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, mephitic thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/mephitic/thesaurus/synonyms>.
MLASmart Define. "mephitic thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/mephitic/thesaurus/synonyms>