Żegnaj in English:

She said goodbye.

Goodbye!

Many of the soldiers kissed their spouses goodbye.

He always forgets to say goodbye to people when leaving.

I guess that the beautiful girl will say goodbye to the shy young man.

Burr told his friends goodbye.

Goodbye! When you have more time, come back and play!

Dima, Al-Sayib said sternly. "You know you're like a brother from another mother to me, but... cheating an Arab is unforgivable. Goodbye!"

A goodbye party was held for Mr. Jones.

Those two are blindly enraptured with each other right now but they say first meeting someone is the first step toward goodbye. I wonder if they're aware of that.

Goodbye stranger, it's been nice.

Susan manages to tell her mother that it is time to say goodbye.

Thank you for your time, goodbye.

Before saying goodbye to their neighbors, the Smiths had to tie up some loose ends inside the house.

She said good-bye with a smile, but there was a good deal of bitterness in her heart.