Old  

"To be old without being adult[...]".

1. Of an object, concept, etc., having existed for a relatively long period of time.

   • an old abandoned building

2. Of a living being, having lived for relatively many years.

   • a wrinkled old man

3. Having existed or lived for the specified time.

   • How old are they? She’s five years old and he’s seven. We also have a young teen and a two-year-old.
   • My great-grandfather lived to be a hundred and one years old.
   • a five-year-old car

4. Former, previous.

   • My new car is not as good as my old one.

   • 1994, Michael Grumley, Life Drawing

     But over my old life, a new life had formed.

5. Obsolete; out-of-date.

   • That is the old way of doing things; now we do it this way.

6. Tiresome

   Your constant pestering is getting old.