资料来源 : pyDict

敏锐的,激烈的,尖锐的,严重的

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Acute \A*cute"\, a. [L. acutus, p. p. of acuere to sharpen, fr.
   a root ak to be sharp. Cf. {Ague}, {Cute}, {Edge}.]
   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}.

Acute \A*cute"\, v. t.
   To give an acute sound to; as, he acutes his rising
   inflection too much. [R.] --Walker.

资料来源 : WordNet®

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"

acute
     n : a mark (') placed above a vowel to indicate pronunciation
         [syn: {acute accent}, {ague}]