Dark

1. Destitute, or partially destitute, of light; not receiving, reflecting, or radiating light; wholly or partially black, or of some deep shade of color; not light-colored; as, a dark room; a dark day; dark cloth; dark paint; a dark complexion.
2. Not clear to the understanding; not easily seen through; obscure; mysterious; hidden.
3. Destitute of knowledge and culture; in moral or intellectual darkness; unrefined; ignorant.
4. Evincing black or foul traits of character; vile; wicked; atrocious; as, a dark villain; a dark deed.
5. Foreboding evil; gloomy; jealous; suspicious.
6. Deprived of sight; blind.
A dark horse ,
in racing or politics, a horse or a candidate whose chances of success are not known, and whose capabilities have not been made the subject of general comment or of wagers
Dark house, Dark room ,
a house or room in which madmen were confined.
Dark lantern .
See Lantern.
Dark Ages ,
a period of stagnation and obscurity in literature and art, lasting, according to Hallam, nearly 1000 years, from about 500 to about 1500 A. D.. See Middle Ages, under Middle.
The Dark and Bloody Ground ,
a phrase applied to the State of Kentucky, and said to be the significance of its name, in allusion to the frequent wars that were waged there between Indians.
The dark day ,
a day (May 19, 1780) when a remarkable and unexplained darkness extended over all New England.
To keep dark ,
to reveal nothing.

1. Absence of light; darkness; obscurity; a place where there is little or no light.
2. The condition of ignorance; gloom; secrecy.
3. (Fine Arts) A dark shade or dark passage in a painting, engraving, or the like; as, the light and darks are well contrasted.

1. To darken; to obscure.