Related Clues:

• The kind of friends that go way back
• Big __
• Worn-out
• Told too often
• Longtime
• Overfamiliar
• With 54-Across, senescence
• Falling apart
• Like MacDonald
• __ school
• Hardly original
• From an earlier time
• Far from new
• With 57-Across, partner of 'Arsenic'
• ___-school (traditional)