For such a short and simple-looking word, acute has a rather bewildering range of meanings. It first entered the English language with a medical sense, referring to the sharpness or severity of a symptom.

ACUTE definition: 1. If a bad situation is acute, it causes severe problems or damage: 2. An acute pain or illness…. Learn more.

ACUTE definition: sharp or severe in effect; intense. See examples of acute used in a sentence.

1. sharp or severe in effect; intense: acute pain. 2. extremely great or serious: an acute shortage of oil. 3. (of disease) brief and severe (disting. from chronic). 4. penetrating in intellect, insight, or …

Definition of acute adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

An acute illness is one that becomes severe very quickly but does not last very long. Compare chronic.

acute, adj. & n. meanings, etymology, pronunciation and more in the Oxford English Dictionary