- (uncountable) The state of being dark; lack of light.
- The darkness of the room made it difficult to see.
- 1912, Willa Cather, The Bohemian Girl
- 1914, Louis Joseph Vance, chapter III, in Nobody, New York, N.Y.: George H[enry] Doran Company, published 1915, OCLC 40817384 ↗:
- 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.
- (uncountable) Gloom.
- (countable) The product of being dark.
- (uncountable) The state or quality of reflecting little light, of tending to a blackish or brownish color.
- The darkness of her skin betrayed her Mediterranean heritage.
- (uncountable) Evilness, lack of understanding or compassion, reference to death or suffering.
- French: obscurité, ténèbres, (dated) sombreur, noirceur
- German: Dunkelheit, Finsternis
- Italian: oscurità, tenebre
- Portuguese: escuridão, trevas
- Russian: темнота́
- Spanish: oscuridad