Dictionary > English Dictionary > Definition, synonym and antonym of acute
Meaning of acute by Wiktionary Dictionary



    From Latin acūtus ( “sharp” ), perfect passive participle of acuō ( “sharpen, make sharp” ). Cognate to ague ( “acute, intermittent fever” ) .


    • IPA: /əˈkjuːt/ X-SAMPA: /@"kju:t/
    • Rhymes: -uːt


    acute ( comparative acuter or more acute, superlative acutest or most acute )

    1. Urgent .
      His need for medical attention was acute .
    2. sensitive
      She had an acute sense of honor .
      Eagles have very acute vision .
    3. Short, quick .
      It was an acute event .
    4. ( geometry ) Of an angle, less than 90 degrees .
    5. ( geometry ) Of a triangle, having all three interior angles measuring less than 90 degrees .
    6. ( botany, of leaves ) With the sides meeting directly to form a pointed acute angle at the apex, base, or both .
    7. ( medicine ) Of an abnormal condition of recent or sudden onset, in contrast to delayed onset; this sense does not imply severity ( unlike the common usage ) .
      He dropped dead of an acute illness .
    8. ( medicine ) Of a short-lived condition, in contrast to a chronic condition; this sense also does not imply severity .
      The acute symptoms resolved promptly .
    9. ( orthography, after a letter ) Having an acute accent .
      The last letter of “café” is ‘e’ acute .



    Derived terms

    • acutance
    • acuity
    • acute-angled
    • acute accent
    • acuteness

    Related terms

    • ague


    acute ( plural: acutes )

    1. ( orthography ) An acute accent .
      The word “cafe” often has an acute over the ‘e’ .


    • Ceuta

Explanation of acute by Wordnet Dictionary


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

    2. acute appendicitis
      the acute phase of the illness
      acute patients
    3. of critical importance and consequence

    4. an acute ( or critical ) lack of research funds
    5. extremely sharp or intense

    6. acute pain
      felt acute annoyance
    7. having or demonstrating ability to recognize or draw fine distinctions

    8. an acute observer of politics and politicians
    9. ending in a sharp point

    10. of an angle

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

    Definition of acute by GCIDE Dictionary


    1. Acute 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”. AS

      Acute angle ( Geom. ), an angle less than a right angle.

      Syn. -- Subtile; ingenious; sharp; keen; penetrating; sagacious; sharp-witted; shrewd; discerning; discriminating. See Subtile.

    2. Acute, v. t. To give an acute sound to; as, “he acutes his rising inflection too much”. [R.] Walker.