4
blotch(verb, dirty, corrupt, foul, stain)
4
color(noun, verb, shade, blemish, soil)
4
dishonour
4
harm(verb, hurt, dirty, corrupt, taint)
4
smut(verb, attack, clean, contaminate)
4
smutch(verb, clean, corrupt, foul, stain)
4
spot(verb, dull, hurt, spoil, dirty)
3
bedim(verb, obscure, dim, deepen, unlit)
3
black out(verb, phrasal verb)
3
brand(verb, hurt, mark, push, slight)
3
cast aspersions on(expression, idiom, insult, slur, slander)
3
contaminate(verb, dull, hurt, spoil, dirty)
3
corrupt(verb, dull, hurt, harm, spoil)
3
deepen(verb, cover, obscure, protect, dirty)
3
demean(verb, slight, smear)
3
dishonor(verb, hurt, dirty, corrupt, blemish)
3
overshadow(verb, cover, obscure, protect, dim)
3
pillory(verb, slander)
3
revile(verb, criticize, insult, disparage, degrade)
3
spatter(verb, attack, push, slight, criticize)
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>