OLD

noun

1. (with the, invariable plural only) People who are old; old beings; the older generation, taken as a group.
2. (in combination) One of a specified age.
3. A person older than oneself, especially an adult in relation to a teenager.

adjective

1. Of an object, concept, relationship, etc., having existed for a relatively long period of time.
2. Having been used and thus no longer new or unused.
3. Having existed or lived for the specified time.