(uncountable) The state or quality of reflecting little light, of tending to a blackish or brownish color.
(uncountable) Evilness, lack of understanding or compassion, reference to death or suffering.
Esimerkit
The darkness of the room made it difficult to see.
Over everything was darkness and thick silence, and the smell of dust and sunflowers.
Turning back, then, toward the basement staircase, she began to grope her way through blinding darkness, but had taken only a few uncertain steps when, of a sudden, she stopped short and for a little stood like a stricken thing, quite motionless save that she quaked to her very marrow in the grasp of a great and enervating fear.
The darkness of her skin betrayed her Mediterranean heritage.