Related Clues:

• ''See ya later!''
• ''Bye-bye''
• Bye words
• Brit's farewell
• Not as timely
• Kid's response to 20-, 37- and 55-Across
• Ciao
• Adieu, elsewhere
• ''Bye-bye,'' elsewhere
• Parting comment
• Delaying response
• Subsequent
• "Toodle-oo"
• London "Later!"
• "See ya!"