100 entries under dull topic. ×

2
clear(dim, dissolve)
2
colorless(soft, flat, dark, cold)
2
corrupt(verb, adjective, hurt, harm)
2
discolor(verb, hurt, harm, spoil)
2
dusky(adjective, soft, obscure, flat)
2
faded(adjective, soft, obscure, flat)
2
gray(verb, adjective, cover, confuse)
2
harm(verb, hurt, dirty, corrupt)
2
hurt(verb, dirty, corrupt, stain)
2
mushy(adjective, soft, dark, heavy)
2
pasty(yellow, wan)
2
somber(adjective, soft, obscure, flat)
2
spoil(verb, hurt, harm, dirty)
2
spot(verb, dirty, foul, stain)
2
tar(verb, hurt, harm, spoil)
2
vitiate(verb, stain, discolor)
1
achromatize(verb, dim, dissolve, lighten)
1
become colorless(verb, expression, dim, dissolve)
1
blanch(verb, reduce, diminish, dim)
1
bleach(verb, dim, pale, dissolve)
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APASmart Define. (2015). muddy thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/muddy/thesaurus/synonyms
ChicagoSmart Define. 2015. "muddy thesaurus" https://smartdefine.org/muddy/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, muddy thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/muddy/thesaurus/synonyms>.
MLASmart Define. "muddy thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/muddy/thesaurus/synonyms>