1. Too old to be useful
   - overage, superannuated, over-the-hill

See also: old

• feeding
• feeding bottle
• feeding chair
• feeding frenzy
• feedlot
• feedstock
• feedstuff
• feel
• feel for
• feel like
• feel like a million
• feel like a million dollars
• feel out
• feeler
• feeling
• feeling of movement
• feelingly
• feelings
• feet of clay
• feetfirst
• Fehling's solution
• Feifer
• feign
• feigned
• feigning