50 entries under polluted topic. ×

17
dirty(adjective, dull, bad, flat, clean)
14
unclean(adjective, dull, bad, flat, clean)
13
foul(adjective, dull, bad, flat, nasty)
13
soiled(adjective, dull, bad, flat, clean)
13
squalid(adjective, nasty, dark, base, gloomy)
12
filthy(adjective, dull, bad, flat, clean)
9
impure(noun, adjective, dull, bad, mixed)
9
nasty(adjective, bad, offensive, dark, unpleasant)
9
smutty(adjective, clean, nasty, dirty, coarse)
6
uncleanly(adjective, adverb, bad, clean, nasty)
4
defiled(adjective, nasty, dirty, coarse, foul)
4
obscene(adjective, bad, nasty, offensive, dirty)
3
offensive(adjective, bad, nasty, unpleasant, dirty)
3
sleazy(adjective, nasty, unpleasant, base, small)
2
contaminated(adjective, nasty, dirty, coarse, foul)
2
smoky(nasty, dark, gloomy, dirty, dreary)
2
sullied(adjective, nasty, dirty, coarse, foul)
2
unchaste(adjective, nasty, dirty, coarse, vile)
1
admixed(adjective, nasty, dirty, coarse, vile)
1
adulterated(adjective, nasty, dirty, coarse, vile)
<123>
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APASmart Define. (2015). grubby thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/grubby/thesaurus/synonyms
ChicagoSmart Define. 2015. "grubby thesaurus" https://smartdefine.org/grubby/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, grubby thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/grubby/thesaurus/synonyms>.
MLASmart Define. "grubby thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/grubby/thesaurus/synonyms>