115 entries under foul topic. ×

4
unswept(adjective, nasty, dirty, sloppy)
3
greasy(adjective, dull, flat, nasty, gloomy)
3
stinking(adjective, bad, offensive, unpleasant, dirty)
3
tarnished(adjective, dirty, unhealthy, polluted)
3
unwholesome(adjective, blue, nasty, offensive, loose)
2
awful(adjective, bad, offensive, revolting)
2
bad(adjective, nasty, low, offensive, base)
2
debauched(base, corrupt, wicked, black)
2
degraded(adjective, adverb, bad, low, base)
2
disheveled(adjective, nasty, dirty, wretched)
2
dreggy(adjective, nasty, sloppy, filthy)
2
fouled(adjective, nasty, dirty, sloppy)
2
ghastly(adjective, bad, offensive, revolting)
2
hellish(adjective, bad, taste, offensive, awful)
2
icky(adjective, bad, nasty, offensive, unpleasant)
2
insanitary(adjective, dirty, polluted, contaminated)
2
noxious(adjective, bad, offensive, dirty)
2
objectionable(adjective, bad, offensive, revolting)
2
outrageous(adjective, bad, blue, nasty, offensive)
2
poisonous(adjective, bad, taste, offensive, awful)
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APASmart Define. (2015). unclean thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unclean/thesaurus/synonyms
ChicagoSmart Define. 2015. "unclean thesaurus" https://smartdefine.org/unclean/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, unclean thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unclean/thesaurus/synonyms>.
MLASmart Define. "unclean thesaurus" 17 July 2015. Web. 29 September 2026. <https://smartdefine.org/unclean/thesaurus/synonyms>