135 entries under foul topic. ×

2
off-color(adjective, bad, nasty, offensive, rude)
2
poisonous(adjective, bad, taste, offensive, awful)
2
scuzzy(adjective, nasty, dirty, sloppy)
2
severe(adjective, bad, offensive, revolting)
2
smudged(adjective, nasty, dirty, sloppy)
2
spotted(adjective, nasty, dirty, sloppy)
1
degraded(evil, base, immoral, black)
1
disarrayed(adjective, nasty, sloppy, unclean)
1
dishabille(adjective, nasty, sloppy, unclean)
1
dungy(adjective, nasty, sloppy, unclean)
1
ignoble(adjective, bad, evil, nasty, low)
1
low-down(adjective, bad, nasty, low, unpleasant)
1
mung(adjective, nasty, sloppy, unclean)
1
pigpen(adjective, nasty, offensive, unpleasant)
1
servile(adjective, bad, nasty, low, unpleasant)
1
spattered(adjective, nasty, sloppy, unclean)
1
straggly(adjective, nasty, sloppy, unclean)
1
tarnished(adjective, evil, dirty, common)
1
undusted(adjective, nasty, dirty, sloppy)
1
ungodly(adjective, bad, offensive, wicked)
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APASmart Define. (2015). filthy thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/filthy/thesaurus/synonyms
ChicagoSmart Define. 2015. "filthy thesaurus" https://smartdefine.org/filthy/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, filthy thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/filthy/thesaurus/synonyms>.
MLASmart Define. "filthy thesaurus" 17 July 2015. Web. 26 September 2026. <https://smartdefine.org/filthy/thesaurus/synonyms>