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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 extensive pronunciation in British English /ɪkˈstensɪv/
  1. 1
    very large in amount or degree

    The accident caused extensive damage to both cars.

    the restaurant’s extensive wine list

  2. 2
    involving a lot of details and information

    She has an extensive knowledge of art history.

    Scientists have conducted extensive research into the causes of cancer.

  3. 3
    spreading over a large area

    the hotel’s extensive grounds

    He suffered a broken wrist and extensive bruising.

derived words


noun [uncountable]


… 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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