Acute

adj. grave, serious, severe; keen, sharp, sensitive; penetrating, shrewd; less than 90 degrees (Geometry); pointed

Acute may refer to:Acute anglesAcute accentAcute (medical)  Acute (phonetic)The Acute - a band
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Noun
1. a mark (') placed above a vowel to indicate pronunciation
(synonym) acute accent, ague
(hypernym) accent, accent mark
Adjective
1. having or experiencing a rapid onset and short but severe course; "acute appendicitis"; "the acute phase of the illness"; "acute patients"
(antonym) chronic
(similar) subacute
(classification) medicine, medical specialty
2. extremely sharp or intense; "acute pain"; "felt acute annoyance"; "intense itching and burning"
(synonym) intense
(similar) sharp
3. having or demonstrating ability to recognize or draw fine distinctions; "an acute observer of politics and politicians"; "incisive comments"; "icy knifelike reasoning"; "as sharp and incisive as the stroke of a fang"; "penetrating insight"; "frequent penetrative observations"
(synonym) discriminating, incisive, keen, knifelike, penetrating, penetrative, piercing, sharp
(similar) perceptive
4. of an angle; less than 90 degrees
(antonym) obtuse
5. ending in a sharp point
(synonym) acuate, sharp, needlelike
(similar) pointed
6. of critical importance and consequence; "an acute (or critical) lack of research funds"
(similar) critical

adj. sharp, acute, keen, incisive, piercing; poignant, intense; shrill, high-pitched, high; shrewd, discerning; lancinating, severe

adj. acute, severe; sudden, abrupt