adieu n

Fr. a dieu, to God; ellipsis of I commend you to God.

  1. Farewell; goodbye; adios; departure; valediction; benediction; blessing at parting; [fig.] sunset; dusk; eventide.

adieu interjection

see adieu, n.

  1. Adios; Fare thee well; God be with you; exclamation noting or regretting the disappearance or departure of someone/something.