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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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noun [countable/uncountable] crust pronunciation in British English /krʌst/
Word Forms
  1. 1
    the hard brown outer part of a loaf of bread
    a crust of bread:

    Sparrows pecked at a crust of bread.

  2. 3
    the thick outer surface of the Earth or another planet
    the Earth’s crust:

    Molten lava rose up from beneath the Earth’s crust.

  3. 4
    a hard layer of a substance covering a softer substance or a liquid

    I washed the crust of make-up from my face.


… a teaching method in which groups of children learn independently using a computer linked to the internet

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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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