How do you say good bye in French?

There are several ways to say goodbye in French, depending on the context and formality:

Formal:

* Au revoir: This is the most common and formal way to say goodbye. It literally means "until we see each other again."

* Bonne journée: This means "have a good day."

* Bonne soirée: This means "have a good evening."

Informal:

* Salut: This is a casual way to say goodbye. It's similar to "bye" in English.

* Ciao: This is another casual way to say goodbye, borrowed from Italian.

* A plus tard: This means "see you later."

* À bientôt: This means "see you soon."

Other options:

* Bonne nuit: This means "good night."

* Merci: This means "thank you," and can be used as a way of saying goodbye, especially after a conversation or interaction.

The best way to say goodbye in French depends on the situation. If you're not sure, it's always safe to use "Au revoir," as it's appropriate in most situations.