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
Including the postseason, New York is 53-8 when the duo both connect. Cbs New York Team, CBS News, 17 Apr. 2026 Those others include rapper/songwriter Tech N9ne and the hip-hop duo Coyote. David L. Coddon, San Diego Union-Tribune, 16 Apr. 2026 Including the postseason, New York is 53-8 when the duo both connect. Los Angeles Times, 16 Apr. 2026 The duo greatly expanded their sample library, ripping random melodies from thrift-store records and manipulating their own field recordings. Sadie Sartini Garner, Pitchfork, 16 Apr. 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 17 Apr. 2026.

Kids Definition

duo

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

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