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
Prosecutors countered that the duo were motivated by greed, not virtue. John Annese, New York Daily News, 3 May 2026 Dennis Quaid and his pooch Peaches are a dynamic duo at the 2026 AMC Networks Upfront event on April 29 in New York City. Escher Walcott, PEOPLE, 3 May 2026 In October, the duo released the Salomon XT-Pathway 2 Ferxxo sneaker, which marked a major milestone for Salomon. Stephen Garner, Footwear News, 3 May 2026 By the time Game 6 rolled around, Minnesota was without star Anthony Edwards, sharpshooter Donte DiVincenzo and even Ayo Dosunmu, who had stepped up earlier in the series in the absence of the latter duo. Dan Santaromita, New York Times, 2 May 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

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Cite this Entry

“Duo.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/duo. Accessed 6 May. 2026.

Kids Definition

duo

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

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