acute /əˈkjut/
 (a.)敏銳的,激烈的,尖銳的,嚴重的


 acute /əˈkjut/ 形容詞
 急性的,尖銳的


 A·cute a.
 1. Sharp at the end; ending in a sharp point; pointed; -- opposed to blunt or obtuse; as, an acute angle; an acute leaf.
 2. Having nice discernment; perceiving or using minute distinctions; penetrating; clever; shrewd; -- opposed to dull or stupid; as, an acute observer; acute remarks, or reasoning.
 3. 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.
 4. High, or shrill, in respect to some other sound; -- opposed to grave or low; as, an acute tone or accent.
 5. Med. Attended with symptoms of some degree of severity, and coming speedily to a crisis; -- opposed to chronic; as, an acute disease.
 Acute angle Geom., an angle less than a right angle.
 Syn: -- Subtile; ingenious; sharp; keen; penetrating; sagacious; sharp-witted; shrewd; discerning; discriminating. See Subtile.


 A·cute, v. t. To give an acute sound to; as, he acutes his rising inflection too much. [R.]

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 acute
      adj 1: having or experiencing a rapid onset and short but severe
             course; "acute appendicitis"; "the acute phase of the
             illness"; "acute patients" [ant: chronic]
      2: extremely sharp or intense; "acute pain"; "felt acute
         annoyance"; "intense itching and burning" [syn: intense]
      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" [syn: discriminating, incisive, keen,
         knifelike, penetrating, penetrative, piercing, sharp]
      4: of an angle; less than 90 degrees [ant: obtuse]
      5: ending in a sharp point [syn: acuate, sharp, needlelike]
      6: of critical importance and consequence; "an acute (or
         critical) lack of research funds"
      n : a mark (') placed above a vowel to indicate pronunciation
          [syn: acute accent, ague]