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crack - definition and synonyms

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noun     crack pronunciation in British English
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]Sound effect a short sudden loud noise like a small explosion

    the sharp crack of a single gunshot

  5. 5
    [countable] informal a hard hit on a part of your body

    He’s had a nasty crack on the head.

  6. 6
    [countable] informal an attempt to do something
    have/take a crack at (doing) something:

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

  7. 7
    [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
  8. 8



    crack cocaine

    [uncountable] a pure form of the illegal drug cocaine

    crack addicts

  9. 9
    another spelling of craic
  10. From our crowdsourced Open Dictionary
    the latest social local news

    Come in and give us some of your crack.

    Submitted by Worship computer from Ireland on 16/02/2016
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to manipulate someone psychologically so that they begin to question their own perceptions and memories

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Open Dictionary

Dunning-Kruger effect

the phenomenon by which an incompetent person is too incompetent to understand his own incompetence

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