Related Clues:

• No longer funny
• Outmoded, e.g.
• Not young enough
• Past one's prime
• Longstanding
• Getting tiresome
• Like the Curiosity Shop
• ___ to perfection
• Like a good Bordeaux
• Gray-headed
• From way back when
• Grew mellow, in a way
• Going way back, as friends
• Long-time
• Superseded