marked by keen discernment or intellectual perception, esp of subtle distinctions
an acute thinker
highly responsive to impressions or stimuli
acute eyesight
intensely felt or perceived
acute pain
said of an illness: having a sudden severe onset and short course: compare chronic
demanding urgent attention; severe
an acute shortage
said of an angle: measuring less than 90°
composed of acute angles
an acute triangle
marked with or being an acute accent
e acute
acutely adv
acuteness noun
[Latin acutus, past part. of acuere to sharpen, from acus needle]