interjection
- used to express good wishes when parting or at the end of a conversation
noun
- an act of parting or taking leave
Examples
- She waved goodbye as the train pulled away.
- We said our goodbyes at the airport.
- Goodbye, see you tomorrow!
- It was a tearful goodbye after graduation.
- He left without saying goodbye.
- The family gathered for one last goodbye.
- Goodbye for now, I’ll call you later.