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adjective slack pronunciation in American English /slæk/ 
Word Forms
  1. 1
    loose and not pulled tight

    The fence consisted of two slack strands of barbed wire.

    The rope suddenly went slack.

    Her muscles felt slack.

  2. 2
    not taking enough care to make sure that something is done well

    slack safety standards

    She'd been brought in to clean up slack working habits among the employees.

  3. 3
    not as busy or successful as usual in business

    Business is usually slack in the winter.

    Demand for the product is slack.

derived word


noun [uncountable]


a paid holiday given to a new employee before they start their job

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selfie stick

an expandable stick which you attach to a mobile phone or camera to help you take a selfie …

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