darkly

/D AA1 R K L IY0/
adverb
  1. 1

    With a dark appearance.

  2. 2

    Faintly seen in the dark.

    โ€œI could make out his image darkly.โ€

  3. 3

    In a morbid manner; morbidly, sinisterly.

    โ€œa darkly comic dystopian dramaโ€

  4. 4

    Mysteriously; forebodingly, ominously.

Source: https://en.wiktionary.org/wiki/darkly