Adieu
Adieu
Adieu mon amour.
farewell and adieu can be said for GOODBYE FOREVER in french
It's common to say 'au revoir'.
"Bonne continuation" : All the best / Farewell
If you want your family to say, "farewell" the correct way to tell them to do so is by saying, "family say, farewell."
"au revoir" is the standard "goodbye". To be more dramatic/formal, you could say "adieu".
farewell = nana
Adieu
adieu
Adieu.