Related Clues:

• Christian ___
• Long times
• Ballpark fig.
• Seemingly forever
• Two or more periods
• See 64-Across
• Stat. that's good when low
• Detergent brand
• Kind of trip
• Dash competitor
• Time to remember
• Pitching stat.
• Geologic periods
• A dog's age
• The Roaring Twenties, e.g.