- old is part of the Basic English 850.
- If someone or something is old, they are not young; they have been in existence for a long time.
- Antonym: young
- An old man has gray hair.
- How old someone is, is their age.
- "Ashley, how old are you?" "I'm only 16 years old."
- (not before a noun) Your old school, boss, address, etc. is one that you no longer use or are no longer together with.
- I didn't have many friends at my old school.