80 entries under foul topic. ×

8
untidy(adjective, nasty, sloppy, filthy)
7
disgusting(adjective, poor, nasty, offensive, unpleasant)
7
fetid(adjective, poor, nasty, offensive, unpleasant)
7
messy(adjective, nasty, dirty, sloppy)
7
noisome(adjective, taste, offensive, unpleasant, awful)
7
rotten(adjective, mean, offensive, unpleasant, awful)
7
slimy(verb, adjective, nasty, awful, terrible)
6
bedraggled(adjective, nasty, sloppy, shabby)
6
grungy(adjective, nasty, dirty, sloppy)
6
horrible(verb, adjective, mean, poor, nasty)
6
loathsome(adjective, mean, offensive, unpleasant, awful)
6
lousy(adjective, mean, nasty, awful, dirty)
6
murky(adjective, obscure, nasty, dark, gloomy)
6
putrid(adjective, taste, offensive, unpleasant, awful)
6
smutty(adjective, nasty, dirty, coarse)
6
unwashed(adjective, obscure, nasty, dirty, miserable)
5
defiled(adjective, nasty, dirty, coarse)
5
gross(adjective, nasty, offensive, unpleasant, dirty)
5
scummy(adjective, nasty, dirty, sloppy)
5
stained(adjective, nasty, dirty, sloppy)
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APASmart Define. (2015). squalid thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/squalid/thesaurus/synonyms
ChicagoSmart Define. 2015. "squalid thesaurus" https://smartdefine.org/squalid/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, squalid thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/squalid/thesaurus/synonyms>.
MLASmart Define. "squalid thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/squalid/thesaurus/synonyms>