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old

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adjective old pronunciation in British English /əʊld/ 
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adjectiveold
comparativeolder
superlativeoldest
  1. 1
    used for talking about the age of someone or something
    how old:

    She didn't mention how old her children were.

    'How old are you?' 'I'm 5 years old.'

    old enough to do something:

    He's not old enough to see this film.

    too old to do something:

    Aren't you too old to play with dolls?

    1. a.
      used for saying that someone is not as young as other people

      He's 26 now, which is quite old in this sport.

      the oldest:

      He's the oldest boy in his class.

      older than:

      I'm older than my brother.

  2. 2
    someone or something that is old has lived a long time

    A lot of old people live alone.

    Trees are the oldest living things on the planet.

    get/grow old:

    I hope I'll still be able to play golf when I get old.

  3. 3
    something that is old has existed or been used for a long time

    There's an old belief that animals can predict earthquakes.

    Her sewing machine's really old – it was her mother's.

    1. a.
      [only before noun] used in a negative way about something that is not useful or in good condition any longer

      Why do you keep all these old newspapers?

      That old car of theirs is getting so unreliable.

    2. b.
      [only before noun] used in a positive way about something that is very familiar

      It was nice to get back into my old routine.

  4. 5
    informal used for showing that you like someone and care about them

    How is my old buddy Jim?

    dear old:

    Dear old Aunty Emily – what would we do without her?

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