Looking up...
Goodbye; used when leaving someone, often implying that you will see them again.
Au revoir, à demain !
Goodbye, see you tomorrow!
Il a dit au revoir et est parti.
He said goodbye and left.
More formal than 'salut' but less formal than 'adieu'.
Use 'au revoir' in most situations, but 'salut' is more casual and 'adieu' is more final.
Always use 'au revoir' when leaving a formal setting or with people you respect.
From 'à' (to) + 'revoir' (to see again). Literally means 'to see again'.
Used in both formal and informal contexts, but 'adieu' is more final and 'salut' is more casual.