Dictionary entry

Darkly

Webster's Dictionary 1913

Dark″ly, adv. 1. With imperfect light, clearness, or knowledge; obscurely; dimly; blindly; uncertainly.

What fame to future times conveys but darkly down. Dryden.

so softly dark and darkly pure. Byron.

2. With a dark, gloomy, cruel, or menacing look.

Looking darkly at the clerguman. Hawthorne.