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90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.



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noun crack pronunciation in American English /kræk/
Word Forms
  1. 1
    [countable] a line on a surface where something is beginning to break apart

    Many old buildings have cracks in their walls.

    hairline crack (=an extremely thin crack):

    Hairline cracks appear in the paint when it dries too quickly.

  2. 2
    [countable] a narrow opening between two things or parts of things

    She peered out through the crack in the curtains.

  3. 3
    [countable] a sign that an organization, relationship, or plan is weak or beginning to fail

    events which deepened the cracks in the monarchy

    cracks start to appear (in something):

    After only a year cracks started to appear in their marriage.

  4. 4
    [countable] informal a rude or insulting joke about someone or something

    Some of the students were making cracks about her appearance.

    See also wisecrack
  5. 5
    [countable] a short sudden loud noise like a small explosion

    the sharp crack of a single gunshot

  6. 6
    [countable] informal a hard hit on a part of your body

    He got a nasty crack on the head.

  7. 7
    [countable] informal an attempt to do something
    have/take a crack at (doing) something:

    We thought we’d take a crack at running our own business.


… a teaching method in which groups of children learn independently using a computer linked to the internet

BuzzWord Article

Open Dictionary


a derogatory word used for referring to people in the banking and investment industry who are thought of as taking serious risks in order to increase their own earnings …

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