bye-bye definition

  • interjection:
    • regularly show farewell.
    • Goodbye.
  • adverb:
    • Casual Away.
    • Informal to sleep; to fall asleep: "[Live Senate tv is] a powerful way to get bye-bye. Soon you're asleep” ( William Proxmire).
  • noun:
    • A goodbye.
    • bedtime for a toddler, hitting the hay, turning in to bed.
    • a farewell remark

Related Sources

  • Sentence for "bye-bye"
  • Phrases for "bye-bye"
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