increased pressure in the eyeball due to obstruction of the outflow of aqueous humor; damages the optic disc and impairs vision (sometimes progressing to blindness)
an unenlightened state; "he was in the dark concerning their intentions"; "his lectures dispelled the darkness"
absence of light or illumination
not giving performances; closed; "the theater is dark on Mondays"
brunet (used of hair or skin or eyes); "dark eyes"
devoid of or deficient in light or brightness; shadowed or black; "sitting in a dark corner"; "a dark day"; "dark shadows"; "dark as the inside of a black cat"
(used of color) having a dark hue; "dark green"; "dark glasses"; "dark colors like wine red or navy blue"
marked by difficulty of style or expression; "much that was dark is now quite clear to me"; "those who do not appreciate Kafka's work say his style is obscure"
showing a brooding ill humor; "a dark scowl"; "the proverbially dour New England Puritan"; "a glum, hopeless shrug"; "he sat in moody silence"; "a morose and unsociable manner"; "a saturnine, almost misanthropic young genius"- Bruce Bliven; "a sour temper"; "a sullen crowd"
indistinctness of shape or character; "the scene had the swirling vagueness of a painting by Turner"
unclearness by virtue of being poorly expressed or not coherent in meaning; "the Conservative manifesto is a model of vagueness"; "these terms were used with a vagueness that suggested little or no thought about what each might convey"