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sharp

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adjective American English pronunciation: sharp /ʃɑrp/ 
Word Forms
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adjectivesharp
comparativesharper
superlativesharpest
  1. 1
    a sharp object has an edge that can cut or an end that is pointed

    Cut the melon in half using a sharp knife.

    The cage should have no sharp edges that might cause injury.

    a sharp pencil

    sharp teeth/claws

    These scissors aren't very sharp.

  2. 2
    a sharp change is sudden and very big
    a sharp rise/increase:

    Supermarkets are reporting a sharp rise in the sale of organic produce.

    a sharp decline/drop/fall:

    This month's figures show a sharp drop in unemployment.

    1. a.
      a sharp bend changes direction suddenly

      We approached a sharp bend in the road and the bus slowed down.

    2. d.
      a sharp breath is taken suddenly, often because you are surprised

      There was a sharp intake of breath when the prizewinners were announced.

    3. e.
      a sharp sound is sudden and loud

      a sharp crack of gunfire

      a sharp cry of fear

  3. 3
    intelligent and quick to notice something or react to something

    Some of these kids are pretty sharp when it comes to math.

    He has a sharp wit and a wicked sense of humor.

    keep a sharp eye/lookout on something:

    The Agency keeps a sharp eye on arm sales abroad.

  4. 4
    clear and seen in a lot of detail

    The new high-definition TV offers razor-sharp pictures and digital sound.

  5. 5
    a sharp comment, voice, or expression shows that someone is unfriendly or annoyed

    My father shot her a sharp look but said nothing.

    Sharp words were exchanged.

    The deal has come under sharp criticism from the investment community.

  6. 6
    clearly recognized as different

    The warm weather was in sharp contrast to last year's cold temperatures.

derived word

sharpness

noun [uncountable]

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