duo

1 of 2

noun

ˈdü-(ˌ)ō How to pronounce duo (audio)
also ˈdyü-
plural duos
Synonyms of duonext
1
: duet
2

duo-

2 of 2

combining form

: two
duologue

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
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Noun
The 76ers’ leading duo of Joel Embiid and Tyrese Maxey set the tone at the start, scoring 31 of Philadelphia’s 36 points in the opening quarter. Anthony Chiang, Miami Herald, 27 Feb. 2026 Marni was founded in Milan in 1994 by the husband-and-wife duo Gianni and Consuelo Castiglioni. Lucy Maguire, Vogue, 27 Feb. 2026 You just got screwed over by a duo! Dalton Ross, Entertainment Weekly, 26 Feb. 2026 The song is the duo’s first new music in 18 years, and previews their forthcoming album, Atlanta, out March 6 via 10k Projects/Atlantic Records. Emily Zemler, Rolling Stone, 26 Feb. 2026 See All Example Sentences for duo

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

Time Traveler
The first known use of duo was in 1590

Browse Nearby Words

Cite this Entry

“Duo.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/duo. Accessed 5 Mar. 2026.

Kids Definition

duo

noun
plural duos
1
: duet
2
: a group of two : pair entry 1

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