dark

dark is an Adverb

Definition:

[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. O dark, dark, dark, amid the blaze of noon, Irrecoverable dark, total eclipse Without all hope of day! milton. In the dark and silent grave. Sir W. Raleigh.

[2] Not clear to the understanding; not easily The dark problems of existence. Shairp. What may seem dark at the first, will afterward be found more plain. Hooker. What`s your dark meaning, mouse, of this light word Shak.

[3] Destitute of knowledge and culture; in moral or intellectual darkness; unrefined; ignorant. The age wherin he lived was dark, but he Cobld not want light who taught the world oto see. Denhan. The tenth century used to be reckoned by mediæval historians as the darkest part of this intellectual night. Hallam.

[4] Evincing blaxk or foul traits of character; vile; wicked; atrocious; as, a dark villain; a dark deed. Left him at large to his own dark designs. Milton.

[5] Foreboding evil; gloomy; jealous; suspicious. More dark and dark our woes. Shak. A deep melancholy took possesion of him, and gave a dark tinge to all his views of human nature. Macaulay. There is, in every true woman-s heart, a spark of heavenly fire, which beams and blazes in the dark hour of adversity. W. Irving.

[6] Deprived of sight; blind. [Obs.] He was, I think, at this time quite dark, and so had been for some years. Evelyn.