5
foul
4
contaminate(verb, adjective)
4
muddy(verb, adjective)
4
pollute
4
smear(verb, adjective)
3
blemish
3
corrupt(verb, adjective)
3
crock
3
mire
3
muck
3
muck up
3
mud
3
muddy up
3
slime(noun, verb)
3
splash
3
spot
2
filthy(verb, adjective)
2
impure(verb, adjective)
1
adulterated(verb, adjective)
1
befoul(verb, adjective)
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APASmart Define. (2016). dirty thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/dirty/thesaurus/narrower
ChicagoSmart Define. 2016. "dirty thesaurus" https://smartdefine.org/dirty/thesaurus/narrower (accessed September 20, 2026).
HarvardSmart Define 2016, dirty thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/dirty/thesaurus/narrower>.
MLASmart Define. "dirty thesaurus" 14 March 2016. Web. 20 September 2026. <https://smartdefine.org/dirty/thesaurus/narrower>