acute

1. a. Sharp at the end; ending in a sharp point; pointed; -- opposed to blunt or obtuse; as, an acute angle; an acute leaf. Source: opted

2. a. Having nice discernment; perceiving or using minute distinctions; penetrating; clever; shrewd; -- opposed to dull or stupid; as, an acute observer; acute remarks, or reasoning. Source: opted

3. a. Having nice or quick sensibility; susceptible to slight impressions; acting keenly on the senses; sharp; keen; intense; as, a man of acute eyesight, hearing, or feeling; acute pain or pleasure. Source: opted

4. a. High, or shrill, in respect to some other sound; -- opposed to grave or low; as, an acute tone or accent. Source: opted

5. a. Attended with symptoms of some degree of severity, and coming speedily to a crisis; -- opposed to chronic; as, an acute disease. Source: opted

6. v. t. To give an acute sound to; as, he acutes his rising inflection too much. Source: opted

7. adj. having or experiencing a rapid onset and short but severe course Source: wordnet

8. adj. extremely sharp or severe Source: wordnet

9. adj. having or demonstrating ability to recognize or draw fine distinctions Source: wordnet

10. adj. of an angle; less than 90 degrees Source: wordnet

11. adj. ending in a sharp point Source: wordnet

12. adj. of critical importance and consequence Source: wordnet

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