duo

1 of 2

noun

ˈdü-(ˌ)ō 

 also  ˈdyü-

plural duos

1

: duet

2

: pair sense 2

duo-

2 of 2

combining form

: two

duologue

Synonyms

Noun

• pair
• couple

Examples of duo in a Sentence

Noun

The comedy duo will perform tonight.

The author-illustrator duo will be signing their books tomorrow.

He and his partner make quite a duo.

Recent Examples on the Web

Noun

Key defender Jarrad Branthwaite is not expected to play again this year after undergoing surgery on a hamstring injury, with Senegalese duo Ndiaye and Idrissa Gueye also likely to miss a sizeable chunk of games this winter due to the Africa Cup of Nations. —Chris Weatherspoon, New York Times, 31 Oct. 2025

The duo will produce the film with David Glasser, who runs Sheridan’s production company 101 Studios. —Alejandra Gularte, Vulture, 31 Oct. 2025

The father-daughter duo behind fashion brands Terra Thread and Gallant International have introduced a new Regenerative Organic Certified (ROC) cotton clothing line called Vottera. —Jennifer Bringle, Sourcing Journal, 30 Oct. 2025

The series was created by Ben Kronengold and Rebecca Shaw, a writing duo who got their start on The Tonight Show Starring Jimmy Fallon, and is exec produced by Nick Kroll and others. —Peter White, Deadline, 30 Oct. 2025

Word History

Etymology

Noun

Italian, from Latin, two — more at two

Combining form

Latin duo

First Known Use

Noun

1590, in the meaning defined at sense 1

Kids Definition

duo

noun

ˈd(y)ü-ō 

plural duos

1

: duet

2

: a group of two : pair entry 1