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boy - definition and synonyms


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noun [countable] boy pronunciation in American English /bɔɪ/
Word Forms
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  1. 1
    a male child
    a 10-year-old boy
    a little/small/young boy: I haven’t been camping since I was a little boy.
    1. a.
      a son
      Mr. and Mrs. Wylie have three boys and a girl.
      Their little boy’s so naughty.
  2. 2
    a young man
    I met a boy in his mid-twenties and we started dating.
    Synonyms and related words
  3. 3
    a man of any age, especially when you are talking about where he comes from
    a local boy
    He lives and works in New York City but he’s a country boy at heart.
    Synonyms and related words
  4. 4
    used when speaking to a male dog or horse
    Down boy!
    Here boy!
  5. 5
    a boy or man of any age who has a particular job
    an errand/messenger boy
    Synonyms and related words
  6. 6

    the boys

    [plural] informal a group of men who are friends
    Friday night is usually his night out with the boys.



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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a stupid person

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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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