Related Clues:

• ''Bye-bye,'' elsewhere
• WORD BEFORE HANGING UP
• Parting comment
• '60s greeting
• Delaying response
• Early-round pass
• Subsequent
• 'I'm out...'
• Tournament sit-out
• Ta-ta, in Tijuana
• "Toodle-oo"
• London "Later!"
• Oft-reduplicated parting word
• "See ya!"
• Nobel Prize category