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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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adjective slack pronunciation in British 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
    Some slack defending allowed Valencia to score another goal.
  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]


used to describe foods which don't contain ingredients such as wheat, dairy products etc …

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Open Dictionary

red market

the buying and selling of human organs

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