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

Designers are eager to bid adieu to these countertops in the coming year. —Heather Bien, Southern Living, 29 Oct. 2025

When Ram bid adieu to the HEMI in 2025, the brand updated a large chunk of the electronic architecture in its trucks. —Liam Rappleye, USA Today, 5 Oct. 2025

Choose from regular, petite, tall, and curvy options, then bid adieu to the tailor. —Alyssa Grabinski, PEOPLE, 2 Oct. 2025

Such was the level of desperation and failure in Westwood and Blacksburg that UCLA said goodbye to DeShaun Foster after all of 15 games, and Virginia Tech bid adieu to Brent Pry after three-plus seasons. —Tom Layberger, Forbes.com, 15 Sep. 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