acute

English

Adjective

  • Urgent.
  • Sensitive.
  • Short, quick.
  • (geometry) Of an angle, less than 90 degrees.
  • (geometry) Of a triangle, having all three interior angles measuring less than 90 degrees.
  • (botany|of leaves) With the sides meeting directly to form a pointed acute angle at the apex, base, or both.
  • (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).
  • (medicine) Of a short-lived condition, in contrast to a chronic condition; this sense also does not imply severity.
  • *{{quote-magazine|year=2013|month=May-June|author=[http://www.americanscientist.org/authors/detail/katie-l-burke Katie L. Burke]
  • |title=[http://www.americanscientist.org/issues/pub/2013/3/in-the-news-45 In the News] |volume=101|issue=3|page=193|magazine=(American Scientist) |passage=Bats host many high-profile viruses that can infect humans, including severe acuterespiratory syndrome and Ebola. A recent study explored the ecological variables that may contribute to bats’ propensity to harbor such zoonotic diseases by comparing them with another order of common reservoir hosts: rodents.}}
  • (orthography|after a letter) Having an acute accent.
  • High or shrill.
  • an acute tone or accent

    Synonyms

    * (urgent) pressing, urgent, emergent, sudden * (sensitive) intense, powerful, strong, sharp, keen * (quick) fast, rapid * (triangle) acute-angled * (leaf shape) obtuse

    Antonyms

    * (sensitive) dull, witless, obtuse, slow * (angle) obtuse * (quick) slow, leisurely * (triangle) obtuse, obtuse-angled * chronic

    Derived terms

    * acutance * acuity * acute-angled * acute accent * acuteness

    Noun

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

    Verb

    (en-verb)
  • (phonetics) To give an acute sound to.
  • He acutes his rising inflection too much .

    Anagrams

    * ----

    shrill

    English

    Adjective

    (en-adj)
  • High-pitched and piercing.
  • She spoke in ashrill voice.
  • * Shakespeare
  • Hear the shrillwhistle which doth order give / To sounds confused.
  • * Byron
  • Let winds beshrill , let waves roll high.
  • Sharp or keen to the senses.
  • Verb

    (en-verb)
  • To make a shrill noise.
  • * Spenser
  • Break we our pipes, thatshrill'd loud as lark.
  • * Goldsmith
  • No sounds were heard but of theshrilling cock.
  • * L. Wallace
  • His voice shrilledwith passion.

    Noun

    (en-noun)
  • A shrill sound.
  • (Spense