adieu

noun

ə-ˈdü 

a-,

-ˈdyü

plural adieus or adieux ə-ˈdüz 

a-,

-ˈdyüz

: an expression of good wishes when someone leaves : goodbye

a heartfelt adieu

bid his teammates adieu

—often used interjectionally

Adieu, my friends!

Synonyms

• farewell
• good-by

Examples of adieu in a Sentence

we bid our adieus and were off

Recent Examples on the Web

And bid adieu to a Stutz building coffee shop, a Fishers taproom and more. —Domenica Bongiovanni, IndyStar, 2 July 2025

After breakfast, Rick and Amrita bid each other fond adieu, but that man is still kicking around Samui. —Amanda Whiting, Vulture, 9 Mar. 2025

At the end of the episode, Sajak, White, Ferguson, Goldsberry, and Peters all took to the stage to bid the maestro a final adieu. —Ryan Coleman, EW.com, 11 June 2025

The season finale of Doctor Who saw yet another version of the Doctor bidding adieu to time and space. —Bethy Squires, Vulture, 5 June 2025

Word History

Etymology

Middle English, borrowed from Anglo-French a deu, a dieu, literally, "to God"

First Known Use

15th century, in the meaning defined above

Rhymes for adieu

• deux
• milieu

Kids Definition

adieu

noun

ə-ˈd(y)ü 

a-

plural adieus or adieux -ˈd(y)üz 

: farewell entry 2 sense 1

—often used interjectionally

Etymology

Middle English adieu "farewell," from early French adieu (same meaning), from a Dieu, literally "(I commit you) to God," from Latin Deus "God" — related to adios, deity