135 entries under foul topic. ×

9
unholy(adjective, religion, bad, offensive, unpleasant)
8
mephitic(adjective, bad, offensive, disgusting)
8
yucky(adjective, bad, offensive, unpleasant, awful)
7
grubby(adjective, bad, offensive, dark, unpleasant)
7
slimy(adjective, awful, terrible, disgusting)
6
muddy(adjective, dark, gloomy, dirty)
6
sloppy(adjective, dirty, vulgar, wretched)
6
tainted(adjective, offensive, unpleasant, rank, dirty)
5
grungy(adjective, dirty, sloppy, filthy)
5
polluted(adjective, bad, offensive, unpleasant, rank)
5
scummy(adjective, cruel, dirty, sloppy)
5
soiled(adjective, bad, offensive, dirty)
4
uncleanly(adjective, adverb, bad, offensive, base)
4
bum(adjective, bad, informal, offensive, unpleasant)
4
cruddy(adjective, dirty, sloppy, filthy)
4
crummy(adjective, unpleasant, awful, terrible)
4
murky(adjective, obscure, dark, gloomy)
4
off(adjective, bad, rank, disagreeable)
3
begrimed(adjective, dirty, sloppy, filthy)
3
contaminated(adjective, offensive, unpleasant, violent, wild)
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APASmart Define. (2016). nasty thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/nasty/thesaurus/synonyms
ChicagoSmart Define. 2016. "nasty thesaurus" https://smartdefine.org/nasty/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, nasty thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/nasty/thesaurus/synonyms>.
MLASmart Define. "nasty thesaurus" 29 March 2016. Web. 29 September 2026. <https://smartdefine.org/nasty/thesaurus/synonyms>