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

Pair the duo with fairy lights, a thin linen runner, and more faux foliage to create a stunning seasonal scene. —Mariana Best, Better Homes & Gardens, 5 Sep. 2025

Prescott and CeeDee Lamb have been a potent duo for years. —Tyler Everett, MSNBC Newsweek, 4 Sep. 2025

Her 2020 duo of albums, Folklore and Evermore, channeled the sound and sensibility of indie rock, refracting her perennial personal themes through a dark, blurry lens of fantasy and allegory. —Spencer Kornhaber, The Atlantic, 4 Sep. 2025

German coach Julian Nagelsmann, without key duo Jamal Musiala and Kai Havertz through injury, has called up several new faces, but there is no place for winger Leroy Sane, who left Bayern Munich to join Turkish side Galatasaray this summer. —Jack Bantock, New York Times, 4 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