WordReference Random House Learner's Dictionary of American English © 2015
a•cute /əˈkyut/USA pronunciation
- sharp or severe in effect;
intense: acute pain.
- extremely great or serious;
critical: an acute shortage of oil.
- (of disease) of sudden onset and severe(disting. fromchronic):acute bronchitis.
- very sharp in intellect, insight, or perception.
- extremely sensitive:acute hearing.
- (of an angle) less than 90°.
a•cute•ness,n. [uncountable]See -acr-.
- (of a triangle) containing only acute angles.
Collins Concise English Dictionary © HarperCollins Publishers::
acute /əˈkjuːt/ adj
- penetrating in perception or insight
- sensitive to details; keen
- of extreme importance; crucial
- sharp or severe; intense
- having a sharp end or point
- (of an angle) less than 90°
- (of a disease) arising suddenly and manifesting intense severity
- of relatively short duration
- of or relating to an accent (´) placed over vowels, denoting that the vowel is pronounced with higher musical pitch (as in ancient Greek), with a certain special quality (as in French), etc
- (of a hospital, hospital bed, or ward) intended to accommodate short-term patients with acute illnesses
Etymology: 14th Century: from Latin acūtus, past participle of acuere to sharpen, from acus needleaˈcutely adv aˈcuteness n
- an acute accent
'acute' also found in these entries: