Synonyms of the word

semidarkness

• n. Partial or near darkness, dimness, twilight.

dark

• adj. Having an absolute or (more often) relative lack of light.
• adj. (of colour) Dull or deeper in hue; not bright or light.
• adj. Hidden, secret, obscure.
• adj. Without moral or spiritual light; sinister, malign.
• adj. Conducive to hopelessness; depressing or bleak.
• adj. Lacking progress in science or the arts; said of a time period.
• adj. With emphasis placed on the unpleasant aspects of life; said of a work of fiction, a work of nonfiction…
• n. A complete or (more often) partial absence of light.
• n. (uncountable) Ignorance.
• n. (uncountable) Nightfall.
• n. A dark shade or dark passage in a painting, engraving, etc.

darkness

• n. (uncountable) The state of being dark; lack of light.
• n. (uncountable) Gloom.
• n. (countable) The product of being dark.
• n. (uncountable) The state or quality of reflecting little light, of tending to a blackish or brownish color.
• n. (uncountable) Evilness, lack of understanding or compassion, reference to death or suffering.