a·dieu /əˈdjuː/ noun (plural adieus or adieux /əˈdjuːz/) [countableC] literary —adieu interjection
adieu• Within an hour he had kissed Maeve adieu and they were on the road south to Westminster.• They bade both the merchant and his paramour adieu.
bid ... adieu• The lady prioress, a pure wool cloak wrapped around her, came down to bid us adieu.