so as to appear dark.
vaguely; mysteriously.
in a vaguely threatening or menacing manner: He hinted darkly that we had not heard the last of the matter.
imperfectly; faintly.

Origin of darkly

before 1000; Middle English derkly, Old English deorclīce (in figurative sense only). See dark, -ly
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for darkly

Contemporary Examples of darkly

Historical Examples of darkly

  • Am I so utterly disreputable that you find it necessary to frown on me so darkly?

    The Black Bag

    Louis Joseph Vance

  • He did not know the countenance it masked so darkly, but that same cloak he knew!

    A Nest of Spies

    Pierre Souvestre

  • In the Spain of to-day these things are seen as through a glass, darkly.

  • Albert's face was darkly red under the lash of his grandfather's tongue.

    The Portygee

    Joseph Crosby Lincoln

  • "I shall not go to bed, I shall never go to bed," said Charmian darkly.

    The Coast of Bohemia

    William Dean Howells

Word Origin and History for darkly

Old English deorclice "darkly, horribly, foully;" see dark + -ly (2).

Online Etymology Dictionary, © 2010 Douglas Harper