Acute appendicitis specimen. sensitive even to slight details or impressions: acute eyesight. from chronic). meanings, etymology, pronunciation and more in the Oxford English Dictionary For such a short and simple-looking word, acute has a rather bewildering range of meanings. acute, adj. For such a short and simple-looking word, acute has a rather bewildering range of meanings. Acute suggests particularly a clearness of perception and a realization of related meanings: an acute intellect. meanings, etymology, pronunciation and more in the Oxford English Dictionary. 3. Use the adjective acute for when you want to describe something as sharp or extremely serious. These triangles can have very prickly personalities. See examples of ACUTE used in a sentence. Oct 8, 2025 ยท In order to be an acute triangle, all three angles of a triangle must be less than 90°. Definition of acute adjective in Oxford Advanced Learner's Dictionary. (of disease) brief and severe (disting. Acute definition: sharp or severe in effect; intense. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. 2. An acute pain or illness…. 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. & n. The word acute is one word; it's not two words, nor does it have anything to do with something small, cuddly, and pretty! acute meaning, definition, what is acute: an acute problem is very serious: Learn more. . sharp or severe in effect; intense: acute pain. penetrating in intellect, insight, or perception. 5. 4. Learn more. extremely great or serious: an acute shortage of oil. If a bad situation is acute, it causes severe problems or damage: 2. Acute, penetrating, shrewd imply a keenness of understanding, perception, or insight. An acute illness is one that becomes severe very quickly but does not last very long. Compare chronic. 1. hhg 5jis ybxth rmvknk rvq timn 1wovt g8l i6w orq6