English dictionary

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English adjective: acute

1. acute having or experiencing a rapid onset and short but severe course

SamplesAcute appendicitis.
The acute phase of the illness.
Acute patients.


Domain categorymedical specialty, medicine


2. acute extremely sharp or intense

SamplesAcute pain.
Felt acute annoyance.
Intense itching and burning.




3. acute having or demonstrating ability to recognize or draw fine distinctions

SamplesAn 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.

Synonymsdiscriminating, incisive, keen, knifelike, penetrating, penetrative, piercing, sharp


Antonymsunperceiving, unperceptive

4. acute of an angle; less than 90 degrees


5. acute ending in a sharp point

Synonymsacuate, needlelike, sharp


Antonymspointless, unpointed

6. acute of critical importance and consequence

SamplesAn acute (or critical) lack of research funds.


Antonymsnoncritical, noncrucial

English noun: acute

1. acute (communication) a mark (') placed above a vowel to indicate pronunciation

Synonymsacute accent, ague

Broader (hypernym)accent, accent mark

Based on WordNet 3.0 copyright © Princeton University.
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