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definition - 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 definition pronunciation in British English /ˌdefəˈnɪʃ(ə)n/
Word Forms
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  1. 1
    [countable] a statement of what a word or expression means
    definition of: The definition of ‘family’ has changed over the years.
    a clear/precise definition: We need a clear definition of the concept of human rights.
    a legal definition: Do you know the legal definition of ‘larceny’?
    broaden/widen a definition: Environmentalists are trying to broaden the definition of recycling.
  2. 2
    [uncountable] the clear edges or shape that something has that make it easy to see
    Some of the photographs lack definition.



a course of study which is much shorter than a university course and focuses on the skills you need for a job, especially computer-related skills

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an ancient Roman system of underfloor heating, used to heat houses with hot air; from the Latin 'hypocaustum'

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