Definition of "say goodbye" in English

Verb

1. To wish someone farewell upon their leaving.

2. To separate from someone or something.

   • If we can't agree on whether to have children, maybe it's time to say goodbye.

3. To cease to have, or have to do, something.

   • Say goodbye to long waits at the airport with our new preboarding service.
   • You can say goodbye to your inheritance if you annoy your parents too much!