91 entries under polluted topic. ×

4
slipshod(adjective, dirty)
4
smoky(adjective, dark, gloomy, dirty, dreary)
4
stinking(adjective, bad, evil, nasty, offensive)
4
unhygienic(verb, adjective, nasty, dirty, foul)
4
yecchy(adjective, offensive, unpleasant, dirty, disgusting)
3
besmirched(adjective, evil, dirty, common, vile)
3
blackened(adjective, dirty)
3
fecal(adjective, dirty)
3
infected(adjective, nasty, dirty, coarse, vile)
3
soily(adjective, dirty)
3
stale(adjective, quiet, still, impure)
3
unrefined(adjective, bad, nasty, offensive, rude)
2
adulterated(adjective, nasty, dirty, coarse, vile)
2
miry(adjective, dirty)
2
smudged(adjective, nasty, dirty, foul, sloppy)
2
spotted(adjective, nasty, dirty, foul, sloppy)
2
vitiated(adjective, evil, nasty, dirty, corrupt)
1
alloyed(adjective, nasty, dirty, coarse, vile)
1
common(adjective, bad, nasty, offensive, rude)
1
desecrated(adjective, nasty, dirty, common, coarse)
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APASmart Define. (2015). filthy thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/filthy/thesaurus/synonyms
ChicagoSmart Define. 2015. "filthy thesaurus" https://smartdefine.org/filthy/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, filthy thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/filthy/thesaurus/synonyms>.
MLASmart Define. "filthy thesaurus" 17 July 2015. Web. 23 September 2026. <https://smartdefine.org/filthy/thesaurus/synonyms>