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English definition of “old”

old

adjective [-er/-est only]  /oʊld/ us  

old adjective [-er/-est only] (EXISTING A LONG TIME)

having lived or existed for a long time in comparison to others of the same kind: An old man lives there with his dog. They have a beautiful old farm house in the country. She got very depressed in her old age (= the time of her life when she was old).

old adjective [-er/-est only] (KNOWN A LONG TIME)

(esp. of a friend) known for a long time: She’s one of my oldest friends. infml Old is also used to show that you know and like someone: Poor old Frank broke his arm.

old adjective [-er/-est only] (AGE)

having a particular age, or an age suited to a particular activity or condition: a 14-year-old Charlie is older than I. You’re old enough to know better.

old adjective [-er/-est only] (PREVIOUS)

from a previous time or a period in the past; former : Our old house in Lakewood burned down. Sharon gave her old skates to her younger cousin.
(Definition of old from the Cambridge Academic Content Dictionary © Cambridge University Press)
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