お別れだ

it's goodbye

→ 御別れ
phrase Rare #22,025
it's goodbye Used to announce or acknowledge that it is time to part ways. お別れ means “parting” or “farewell,” and だ means “is.”
JA: 明日、家族とお別れだ。
EN: Tomorrow, I’ll be saying goodbye to my family.

だったらお別れだ

In that case, goodbye.

— 不思議惑星キン・ザ・ザ (1986)

おまえはお袋お別れだ

You're saying goodbye to your mother.

— タイタニック (1997)

お別れだ

Goodbye.

— イングリッシュ・ペイシェント (1996)

胸が痛むここでお別れだ

It breaks my heart, but this is where we part ways.

— ほんとうのピノッキオ (2019)

君とは明日お別れだ

I’ll be saying goodbye to you tomorrow.

じゃあお別れだ

Well then, goodbye.

— ウエスタン (1968)

ここでお別れだ

This is where we part ways.