adieu

Noun

Synonyms: adios arrivederci auf wiedersehen au revoir bye bye-bye cheerio good-by goodby good-bye goodbye good day

WordNet 3.0

Noun (1)

a farewell remark“they said their good-byes”Synonyms: adios arrivederci auf wiedersehen au revoir bye bye-bye cheerio good-by goodby good-bye goodbye good day sayonara so long

Webster's Dictionary (GCIDE)

Adieu \A*dieu"\, interj. & adv. [OE. also adew, adewe, adue, F. ? dieu, fr. L. ad to + deus God.] Good-by; farewell; an expression of kind wishes at parting. [1913 Webster]

Adieu \A*dieu"\, n.; pl. Adieus. A farewell; commendation to the care of God at parting. --Shak. [1913 Webster]