Related Clues:

• Boundary
• Bitter ___
• Author's last word?
• 'Absolutely!'
• 'You said it, sister!'
• It may be bitter
• Keyboard key
• ''--- to that!''
• Benediction closer
• Culmination
• Heel
• Grace period?
• See 56-Across
• Sermon ender
• Last thing said before dinner?