Pitch dark and Stygian

Stygian and pitch dark are semantically related. in black topic. In some cases you can use "Stygian" instead an adjective phrase "Pitch dark", when it comes to topics like dark, lack of light.

Stygian adjective - Being without light or without much light.

Pitch dark and stygian are semantically related. Sometimes you can use "Pitch dark" instead an adjective "Stygian".