blackly

adverb4

1. •
   With a black appearance.

   • Not far from the sea water and in the lee of a great rock rising blackly out of the ice, a herd of walrus lay basking in the sun[…] — 1930
2. •
   Darkly or gloomily.

   • Maccario, it was evident, did not care to take the risk of blundering upon a picket, and a man led them by twisting paths until at last the hacienda rose blackly before them. — 1907
3. •
   Wickedly.

   • He knew himself for a lost soul, and all that he loved in the world was out in the tides. There, at any rate, he could go, too, and give back that gift of life he had so blackly misused. — 1902
4. •
   In accordance with black cultural sensibility.