Related Clues:
- Impressionist missing last letter looks back over the hill?
- Got wiser, hopefully
- Long-established
- Became more mature
- Told far too often
- Made better, as cheddar
- Old retired painter abandons society
- Getting on, so to speak
- Time causes it
- Kept in a vat, say
- Antiquarian
- Agreed, but not about being old
- Passé
- Overfamiliar, as a joke
- Hardly new