Both Uses of
adieu
in
Henry IV, Part 1
- Uncle, adieu: O, let the hours be short, Till fields and blows and groans applaud our sport!†
Scene 1.3 *adieu = goodbye
- Adieu, and take thy praise with thee to Heaven!†
Scene 5.4
Definition:
a farewell remark (an alternative to goodbye)
Adieu is typically more formal than bye. It comes from the French, à Dieu which literally means "to God" — as in I entrust you to God's care.