grow old (?.)

• age
• antiquate
• become extinct
• become obsolete
• cheat the undertaker
• date
• decline
• dodder
• fade
• fail
• fossilize
• fust
• get along
• get on
• lose currency
• molder
• obsolesce
• outdate
• perish
• rust
• shake
• shrivel
• sink
• superannuate
• totter
• turn gray
• turn white
• wane
• waste away
• wither
• wizen
• wrinkle