91 entries under polluted topic. ×

62
dirty(adjective, obscene, unclean, soiled, nasty)
54
foul(adjective, dirty, vulgar, unclean, offensive)
44
obscene(adjective, dirty, offensive, indecent, unclean)
35
smutty(adjective, vulgar, obscene, unclean, nasty)
35
lewd(adjective, vulgar, obscene, indecent, dirty)
32
vile(adjective, dirty, obscene, offensive, awful)
31
indecent(adjective, vulgar, obscene, offensive, coarse)
30
offensive(adjective, dirty, vulgar, obscene, nasty)
29
nasty(adjective, good, bad, blue, evil)
25
coarse(adjective, vulgar, obscene, rude, offensive)
25
gross(adjective, bad, blue, nasty, informal)
24
unclean(adjective, dull, bad, blue, taste)
20
impure(noun, adjective, dull, bad, mixed)
19
squalid(adjective, taste, poor, clean, nasty)
15
defiled(adjective, nasty, dirty, coarse, foul)
15
grimy(adjective, dull, flat, clean, nasty)
15
putrid(adjective, quiet, evil, taste, offensive)
15
rotten(adjective, good, bad, evil, nasty)
15
soiled(adjective, dull, bad, flat, clean)
15
sordid(adjective, dirty, bad, taste, awful)
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APASmart Define. (2015). filthy thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/filthy/thesaurus/synonyms
ChicagoSmart Define. 2015. "filthy thesaurus" https://smartdefine.org/filthy/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, filthy thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/filthy/thesaurus/synonyms>.
MLASmart Define. "filthy thesaurus" 17 July 2015. Web. 21 September 2026. <https://smartdefine.org/filthy/thesaurus/synonyms>