7
slur(verb, ruin, slight, criticize, insult)
7
smirch(verb, dirty, corrupt, foul, stain)
6
cloud over(verb, expression, cover, obscure, protect)
6
debase(verb, hurt, harm, spoil, dirty)
6
degrade(verb, dirty, corrupt, disparage, blemish)
6
dim(verb, dull, cover, obscure, protect)
6
melanise
6
pollute(verb, dull, hurt, criticize, harm)
6
scandalize(verb, criticize, insult, disgrace, offend)
5
becloud(verb, obscure, dim, deepen, unlit)
5
bespatter(verb, attack, clean, contaminate, detraction)
5
burn(verb, mark, stain, wash, enliven)
5
detract(verb, push, slight, criticize, insult)
5
discolor(verb, dull, hurt, mark, damage)
5
muddy(verb, dull, hurt, harm, spoil)
5
shame(verb, hurt, dirty, corrupt, stain)
5
vitiate(verb, dull, hurt, dirty, corrupt)
4
belittle(verb, disparage, degrade, malign, vilify)
4
besoil(verb, clean, dirty, foul, stain)
4
blemish(verb, dull, hurt, mark, crush)
11 years ago|10k views|share |citing 
APASmart Define. (2015). blacken thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/blacken/thesaurus/synonyms
ChicagoSmart Define. 2015. "blacken thesaurus" https://smartdefine.org/blacken/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, blacken thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/blacken/thesaurus/synonyms>.
MLASmart Define. "blacken thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/blacken/thesaurus/synonyms>