6
blur(verb, dull, cover, hurt, reduce)
6
contaminate(verb, dull, spoil, dirty, foul)
6
faint(adjective, reduce, diminish, unclear, indistinct)
6
flat(adjective, dark, cloudy, colors)
6
fog(noun, verb, cover, reduce, lower)
6
foggy(adjective, dark, gloomy, gray, dense)
6
messy(adjective, nasty, dirty, foul, sloppy)
6
nasty(adjective, dark, gloomy, dirty, foul)
6
pale(verb, adjective, dull, reduce, diminish)
6
roily(adjective, clear, dark, gloomy, cloudy)
6
slovenly(adjective, nasty, dirty, foul, sloppy)
6
smirch(verb, dirty, foul, stain, smear)
6
stain(verb, dull, hurt, harm, spoil)
5
becloud(verb, cover, reduce, lower, obscure)
5
begrimed(verb, adjective, nasty, dirty, foul)
5
bemire(verb, clean, soil)
5
bemired(adjective, dark, cloudy, murky)
5
confuse(verb, cover, obscure, hide, conceal)
5
indeterminate(adjective, obscure, uncertain, vague, unclear)
5
mire(noun, verb, clean, soil)
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APASmart Define. (2015). muddy thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/muddy/thesaurus/synonyms
ChicagoSmart Define. 2015. "muddy thesaurus" https://smartdefine.org/muddy/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, muddy thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/muddy/thesaurus/synonyms>.
MLASmart Define. "muddy thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/muddy/thesaurus/synonyms>