Wiktionary
adv. In a shadowy manner.
Usage examples of "shadowily".
On the port bow there was a big one more distant and shadowily imposing by the great space of sky it eclipsed.
Praise of constancy, moreover, smote shadowily a certain inconstant, enough to seem to ruffle her smoothness and do no hurt.
And he saw shadowily there the knowledge of that wallowing void he had dimly known, the shadow that could never be cleared tlway.
Walking by the cottage, Norman could hear the phonograph and the barking dog, and he could sometimes see Iris shadowily moving inside.
Gair had no view except the great vault of Garholt itself with its tapestries shimmering shadowily in the light, the ring of old, round houses, the half-built new ones and the inner ring of wells, like little houses themselves.
Indeed, as I climaxed noisily, it seemed to me that one of these figures, cowled and sinister, detached itself from the fresco and moved shadowily away into the trees.