Dark

[Sarah]

A dark shade or dark passage in a painting, engraving, or thelike; as, the light and darks are well contrasted.The lights may serve for a repose to the darks, and the darks to thelights. Dryden.

[Sarah]

1: A lack of light, or closer to the color black
2: Depressing, scary, or triviliazing something that others would find depressing or scary.
3: Another way of saying evil
4: Having to do with individuality and isolation. Considered good in some circles, with it's opposite, light having to do with conformity and lack of integrity.

[Sarah]

mean, cold, heartless

[Sarah]

Dark can be a slag word to describe heroin.
It is most popularly used in Britain, as white is commonly used to describe cocaine.

[Sarah]

Originally meaning moody/scary/bad scene
Now also the inverse
In Drum and Bass (or Jungle) music parlance fast beats and minor chords.

[Sarah]

adjective; vulgar racist slang, usually describing multiple black people

[Sarah]

Used to describe something that is shady, unsettling or [darn right] mystifying. Most commonly used by [Generation Z], or [Gen Z], to describe a person, place, or thing. Dark can simultaneously, but not always, have a positive and negative connotation. Used as an adjective when all other adjectives fail and are unable to express what needs to be expressed.
If you get it, you get it.

[Hina Muqadas]

Only the best written [fanfiction] on the Internet that has ever been known to include [violence], sex, love, and [Harry Styles].

[Couch Potatoe]

With little or no light.