-klē, -li adverb
( sometimes -er/-est )
Etymology: Middle English derkly, from Old English deorclīce (attested only in the meaning “horridly, foully”), from deorc dark + -līce -ly
: in a dark manner: as
a. : obscurely , vaguely , mysteriously
darkly sensing the presence of someone
b. : with dimmed or obscured vision : dimly
seeing a ship but darkly against the horizon
c. : with a dark or blackish color
the storm clouds gathered darkly
d. : with a dark, gloomy, or menacing look or manner
glancing darkly at his opponent
e. : in the dark : secretly
thoughts held darkly in his mind