American English

Definition of boy noun from the Oxford Advanced American Dictionary



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  1. 1[countable] a male child or a young male person a little/small/young boy I used to play here as a boy. The older boys at school used to tease him. Now that she's a teenager, she's starting to be interested in boys. Be a good boy and get me my coat. see also old boy, toy boy
  2. 2[countable] a young son They have two boys and a girl. Her eldest boy is at college.
  3. 3[countable] (in compounds; offensive when used of an older man) a boy or young man who does a particular job a delivery boy see also best boy
  4. 4[countable] a way of talking about someone who comes from a particular place, etc. He's a college boy. a city/country boy
  5. 5the boys [plural] (informal) a group of male friends who often go out together a night out with the boys
  6. 6our boys [plural] a way of talking with affection about your country's soldiers a message of support for our boys serving overseas
  7. Idioms
    all work and no play (makes Jack a dull boy) (saying)
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    it is not healthy to spend all your time working; you need to relax too
    the boys in blue (informal)
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    the police
    boys will be boys (saying)
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    you should not be surprised when boys or men behave in a noisy or rough way as this is part of typical male behavior
    separate the men from the boys
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    to show or prove who is brave, skillful, etc. and who is not
See the Oxford Advanced Learner's Dictionary entry: boy