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adult - definition and synonyms


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adjective adult pronunciation in British English /ˈædʌlt/adult pronunciation in British English /əˈdʌlt/
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  1. 1
    [only before noun] your adult life is the whole period of your life after you have become an adult
    She was born in Vietnam but has spent most of her adult life in the US.
    1. a.
      involving people who are adults
      59% of the adult population
      a book enjoyed by young and adult readers
  2. 3
    sensible or serious
    Can you try and be a little more adult about this?
  3. 4
    [only before noun] completely grown
    an adult cat


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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