Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “adieu”


exclamation uk   /əˈdjuː/ /-ˈdjʊ/ us    /-ˈduː/ literary or old use
goodbye: She bade (= said to) him adieu and left.Foreign words and phrases used in EnglishWelcoming, greeting and greetings
(Definition of adieu from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of adieu?
Add Cambridge dictionaries to your browser to your website

Word of the Day


When animals or people stampede, they all move quickly in the same direction, often because they are frightened.

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More