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thick

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adjective American English pronunciation: thick /θɪk/ 
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adjectivethick
comparativethicker
superlativethickest
 
  1. 1
    a thick object or material has a long distance between two opposite sides, edges, or surfaces

    She was wearing a thick wool sweater.

    a thick layer of snow

    Cut the bread into thick slices.

    Try not to make too much noise – the walls aren't very thick.

    1. a.
      used for stating the distance between the opposite surfaces or edges of a solid object

      The walls in our house are only a few inches thick.

      It is a rectangular piece of wood, perhaps 5 centimeters thick.

  2. 3
    a thick liquid is more stiff or solid than normal and does not flow easily

    For dessert, serve strawberries covered in thick sweet cream.

    The soup should be nice and thick.

  3. 5
    if a place is thick with something, it is full of it

    The airport was thick with police officers.

    thick with:

    The air was thick with smoke.

  4. 7
    informal stupid

    He's rich, but a little thick.

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