Related Clues:

• It may be bitter
• Keyboard key
• It's bid fondly
• Au revoir
• Doubled, a remark to birdie
• ''--- to that!''
• Benediction closer
• ''See ya''
• Culmination
• Bye at the French Open?
• Heel
• Word with it, up or sign
• Grace period?
• See 56-Across
• 'Ta-ta'