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vocabulary - definition and synonyms

 
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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 vocabulary pronunciation in British English /vəʊˈkæbjʊləri/
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singularvocabulary
pluralvocabularies
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  1. 1
    [countable/uncountable] all the words that a person knows
    a wide vocabulary (=knowledge of a large number of words): He has a wide vocabulary and loves crosswords.
    a limited vocabulary: Her grammar isn’t bad, but she has a limited vocabulary.
    expand your vocabulary (=learn new words): An average child will quickly expand his or her vocabulary.
    1. a.
      [countable/uncountable] all the words in a particular language
      Technical developments give us a lot of new vocabulary.
      enter the vocabulary: The word ‘think tank’ had entered the vocabulary by the 1960s.
    2. b.
      the words used for talking about a particular subject
      technical/specialized vocabulary: Try to avoid using too much technical vocabulary.

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