From black + -ly.
blackly (comparative more blackly, superlative most blackly)
- With a black appearance.
- 2011, T. J. Forrester, Miracles, Inc. (page 37)
- Here and there, sun glanced off water, and slick surfaces shone blackly orange in the morning light.
- Darkly or gloomily.
1907, Harold Bindloss, chapter 26, in The Dust of Conflict:
- 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.
- 1997, Joan Gordon, Veronica Hollinger, Blood Read: The Vampire as Metaphor in Contemporary Culture
- One of the most interesting — and confusing — vampire stories to deal with questions of morality in the postmodern context is the blackly comic film Vampire's Kiss (dir. Robert Bierman, 1988), which tells of a despicable yuppie named Peter Low — played in completely over-the-top fashion by Nicholas Cage — and his encounter at a singles bar with the vampire Rachel.