Definitions for "Darkling"
uncannily or threateningly dark or obscure; "a darkling glance"; "secret operatives and darkling conspiracies"-Archibald MacLeish
a Vistani criminal who has been cast out from the tribe, they hate and are hated by Vistani, and a Dukkar is a male Vistani born with the Sight who has grown to adulthood- such a being will inevitably bring great suffering to the Vistani
Keywords:  frowing, gloomy, becoming
Becoming dark or gloomy; frowing.
Darkling is an episode of Star Trek: Voyager, the eighteenth episode of the third season.
In the dark.