SG Heritage Dictionary

Denigrate [Verb transitive] Webster's Dictionary 1828

To blacken; to make black.

Denigrate [Verb transitive] Webster's Dictionary 1913

1. To blacken thoroughly; to make very black.

2. Fig.: To blacken or sully; to defame.

Blackness Roget’s Thesaurus §431

N. blackness, darkness &c. (want of light), 421, swartliness, lividity, dark color, tone, color, chiaroscuro, nigrification, infuscation, jet, ink, ebony, coal pitch, soot, charcoal, sloe, smut, raven, crow, negro, blackamoor, man of color, nigger, darkie, ethiop, black, buck, nigger, coon, sambo, lampblack, ivory black, blueblack, writing ink, printing ink, printer's ink, indian ink, india ink

V. be black, render -black, blacken, infuscate, denigrate, blot, blotch, smutch, smirch, darken, black, sable, swarthy, somber, dark, inky, ebony, ebon, atramentous, jetty, coal-black, jet-black, fuliginous, pitchy, sooty, swart, dusky, dingy, murky, ethiopic, low-toned, low in tone, of the deepest dye, black as jet, black as my hat, black as a shoe, black as a tinker's pot, black as november, black as thunder, black as midnight, nocturnal, nigrescent, gray, obscure

Adv. in mourning