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English definition of “acute”

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acute

adjective  /əˈkjut/ us  

acute adjective (EXTREME)

very serious, extreme, or severe: The area has an acute water shortage. In medicine, acute describes severe conditions, illnesses, or injuries that need immediate care: Not all hospitals can provide acute care.

acute adjective (ACCURATE)

aware of or able to recognize small differences between things, or being accurate in judging something: He has very acute hearing. Note: Used to describe thinking, feeling, hearing, seeing, smelling, or tasting.

acute adjective (ANGLE)

geometry (of an angle) less than 90ºacute triangle An acute triangle is a triangle with three angles of less than 90º.
acutely
adverb  /əˈkjut·li/ us  
I was acutely aware of their problems.
(Definition of acute from the Cambridge Academic Content Dictionary © Cambridge University Press)
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