220 entries under verb topic. ×

7
slur(ruin, slight, criticize, insult)
7
smirch(dirty, corrupt, foul, stain)
6
cloud over(expression, cover, obscure, protect)
6
debase(hurt, harm, spoil, dirty)
6
degrade(dirty, corrupt, disparage, blemish)
6
dim(dull, cover, obscure, protect)
6
melanise
6
pollute(dull, hurt, criticize, harm)
6
scandalize(criticize, insult, disgrace, offend)
5
becloud(obscure, dim, deepen, unlit)
5
bespatter(attack, clean, contaminate, detraction)
5
burn(mark, stain, wash, enliven)
5
detract(push, slight, criticize, insult)
5
discolor(dull, hurt, mark, damage)
5
muddy(dull, hurt, harm, spoil)
5
shame(hurt, dirty, corrupt, stain)
5
vitiate(dull, hurt, dirty, corrupt)
4
belittle(disparage, degrade, malign, vilify)
4
besoil(clean, dirty, foul, stain)
4
blemish(dull, hurt, mark, crush)
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APASmart Define. (2015). blacken thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/blacken/thesaurus/synonyms
ChicagoSmart Define. 2015. "blacken thesaurus" https://smartdefine.org/blacken/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, blacken thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/blacken/thesaurus/synonyms>.
MLASmart Define. "blacken thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/blacken/thesaurus/synonyms>