dark (Noun) — Absence of light or illumination.
dark (Noun) — Absence of moral or spiritual values. ex. "the powers of dark"
dark (Noun) — An unilluminated area. ex. "he moved off into the dark"
dark (Noun) — The time after sunset and before sunrise while it is dark outside.
dark (Noun) — An unenlightened state. ex. "he was in the dark concerning their intentions"
dark (Adjective) — Devoid of or deficient in light or brightness; shadowed or black. ex. "sitting in a dark corner" ex. "a dark day" ex. "dark shadows" ex. "dark as the inside of a black cat"
dark (Adjective) — (used of colour) having a dark hue. ex. "dark green" ex. "dark glasses" ex. "dark colours like wine red or navy blue"
dark (Adjective) — Brunet (used of hair, skin or eyes). ex. "dark eyes"
dark (Adjective) — Stemming from evil characteristics or forces; wicked or dishonourable. ex. "Darth Vader of the dark side" ex. "a dark purpose" ex. "dark undercurrents of ethnic hostility"
dark (Adjective) — Secret. ex. "keep it dark"
dark (Adjective) — Showing a brooding ill humour. ex. "a dark scowl"
dark (Adjective) — Lacking enlightenment, knowledge or culture. ex. "the dark ages" ex. "a dark age in the history of education"
dark (Adjective) — Marked by difficulty of style or expression. ex. "much that was dark is now quite clear to me"
dark (Adjective) — Causing dejection. ex. "the dark days of the war" ex. "a dark gloomy day"
dark (Adjective) — Having skin rich in melanin pigments. ex. "dark-skinned peoples"
dark (Adjective) — Not giving performances; closed. ex. "the theatre is dark on Mondays"