Acute

akut

((medicine) of an abnormal condition of recent or sudden onset)

akut

((medicine) of a short-lived condition)

mendadak

((medicine) of an abnormal condition of recent or sudden onset)

mendadak

((medicine) of a short-lived condition)

tajam

(intense, sensitive, sharp — see also intense, sensitive, sharp)

tirus

((botany) having an acute angle)

tirus

((geometry) of an angle: less than 90 degrees)