28
foul(adjective, dull, bad, blue, taste)
25
dirty(adjective, dull, bad, blue, flat)
25
impure(noun, adjective, religion, good, dull)
23
filthy(adjective, dull, bad, blue, taste)
19
defiled(adjective, nasty, dirty, coarse, foul)
18
grimy(adjective, dull, flat, clean, nasty)
18
polluted(adjective, bad, nasty, offensive, unpleasant)
17
squalid(adjective, taste, poor, nasty, offensive)
16
mucky(adjective, dull, flat, nasty, offensive)
15
soiled(adjective, dull, bad, flat, clean)
15
vile(adjective, blue, evil, taste, low)
14
grubby(adjective, dull, bad, flat, clean)
14
nasty(adjective, bad, blue, taste, offensive)
13
sordid(adjective, bad, taste, low, awful)
12
obscene(adjective, adverb, bad, blue, low)
11
immoral(adjective, good, blue, evil, nasty)
11
putrid(adjective, taste, offensive, unpleasant, awful)
11
smutty(adjective, blue, clean, nasty, offensive)
10
fetid(adjective, nasty, offensive, unpleasant, dirty)
10
muddy(adjective, nasty, dark, gloomy, dirty)
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APASmart Define. (2015). unclean thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/unclean/thesaurus/synonyms
ChicagoSmart Define. 2015. "unclean thesaurus" https://smartdefine.org/unclean/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, unclean thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/unclean/thesaurus/synonyms>.
MLASmart Define. "unclean thesaurus" 17 July 2015. Web. 20 September 2026. <https://smartdefine.org/unclean/thesaurus/synonyms>