overaged 
残旧无用的
overaged[ adj ]
too old to be useful
<adj.all>
He left the house...for the support of twelve superannuated wool carders
overaged \overaged\ adj.
too old to be useful.
Syn: overage, superannuated.
[WordNet 1.5]
- Yellowstone's lodgepole pine forests are today grossly overaged, ranging up to 400 years old.