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

Next, brother and sister duo Itsuki (Joey Iwanaga) and Yuna (Akana Ikeda) are lured on a path that sees Yuna happily married with a child. —Kayti Burt, Time, 26 Sep. 2025

The Zoolander star and Severance boss explores how Jerry Stiller and Meara as a comedy powerhouse duo managed to raise a showbiz family as the lines between their creativity and improvisation on stage and at home constantly blurred. —Etan Vlessing, HollywoodReporter, 25 Sep. 2025

Made up of Saso and Aka The Darknight, the duo has known each other since high school. —Julyssa Lopez, Rolling Stone, 25 Sep. 2025

In 2006, a duo of spree shooters — Dale Hausner and Sam Dieteman — killed eight people across the Valley. —Miguel Torres, AZCentral.com, 25 Sep. 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