What is another word for "denigrate"?

Roget's Thesaurus (1911) lists these synonyms for "denigrate": atramentous, black, blackamoor, blacken, blackness, blot, blotch, buck, charcoal, chiaroscuro, coal, coal-black, color, coon, crow, dark, darken, darkness, derogatory, dingy, dusky, dye, ebon, ebony, for, fuliginous, gray, hat, infuscate, infuscation, ink, inky, ivory, jet, jet-black, jetty, lampblack, light, lividity, low.