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crack - definition and synonyms

 
 
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noun crack pronunciation in American English /kræk/
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singularcrack
pluralcracks
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  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.
    Synonyms and related words
    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.
  8. 8

    crack

    or

    crack cocaine

    [uncountable] a pure form of the illegal drug cocaine
    crack addicts

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