Dictionary
dark•ly
Pronunciation: (därk'lē), [key]—
adv.
1. so as to appear dark.
2. vaguely; mysteriously.
3. in a vaguely threatening or menacing manner:
He hinted darkly that we had not heard the last of the matter.
4. imperfectly; faintly.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.