Related Clues:

• Fossilized
• Word with guard or goat
• The 'O' in G.O.P.
• Past its prime
• Like an octogenarian
• Like good wine
• Like many cheeses
• Like centenarians
• Up there, say
• Past one's prime, perhaps
• Long-lived
• So last year
• Like an antique
• Creaky, maybe
• Like the hills