(cryogenics) the lowest temperature theoretically attainable (at which the kinetic energy of atoms and molecules is minimal); 0 Kelvin or -273.15 centigrade or -459.67 Fahrenheit
(of colors or sounds) intensely vivid or loud; "a violent clash of colors"; "her dress was a violent red"; "a violent noise"; "wild colors"; "wild shouts"
effected by force or injury rather than natural causes; "a violent death"
acting with or marked by or resulting from great force or energy or emotional intensity; "a violent attack"; "a violent person"; "violent feelings"; "a violent rage"; "felt a violent dislike"
(of color) having the highest saturation; "vivid green"; "intense blue"
in an extreme degree; "intense heat"; "intense anxiety"; "intense desire"; "intense emotion"; "the skunk's intense acrid odor"; "intense pain"; "enemy fire was intense"
with firmness and conviction; without compromise; "he stood foursquare for religious liberty and toleration"- C.G.Bowers; "dealt straightforwardly with all issues"
firmly and solidly; "hit the ball squarely"; "the bat met the ball squarely"; "planted his great bulk square before his enemy"
in a square shape; "a squarely cut piece of paper"; "folded the sheet of paper square"
directly and without evasion; not roundabout; "to face a problem squarely"; "the responsibility lies squarely with them"; "spoke forthright (or forthrightly) and to the point"
in a straight direct way; "looked him squarely in the eye"; "ran square into me"
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"