Antonym of new

Some antonyms of "new" are:

1. Old
2. Used
3. Familiar
4. Established
5. Traditional
6. Timeless
7. Classic
8. Vintage
9. Outdated
10. Obsolete

Note that some of these antonyms may have slightly different connotations or nuances depending on the context in which they are used. For example, "old" and "used" may imply a sense of age or wear and tear, while "traditional" and "classic" may imply a sense of enduring quality or timelessness.