having or experiencing a rapid onset and short but severe course; "acute appendicitis"; "the acute phase of the illness"; "acute patients"
of critical importance and consequence; "an acute (or critical) lack of research funds"
extremely sharp or intense; "acute pain"; "felt acute annoyance"; "intense itching and burning"
having or demonstrating ability to recognize or draw fine distinctions; "an acute observer of politics and politicians"; "incisive comments"; "icy knifelike reasoning"; "as sharp and incisive as the stroke of a fang"; "penetrating insight"; "frequent penetrative observations"
(used of eyes) lacking liveliness; "empty eyes"; "a glassy stare"; "his eyes were glazed over with boredom"
(of ceramics) having the surface made shiny and nonporous by fusing a vitreous solution to it; "glazed pottery"; "glassy porcelain"; "hard vitreous china used for plumbing fixtures"
resembling glass in smoothness and shininess and slickness; "the glassy surface of the lake"; "the pavement was...glassy with water"- Willa Cather