duo

1 of 2

noun

ˈdü-(ˌ)ō How to pronounce duo (audio)
 also  ˈdyü-
plural duos
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
His wife, Tanya Trotter, the other half of the duo The War and Treaty, rushed her husband to a nearby hospital. Beth Warren, The Tennessean, 21 Aug. 2025 Either way, there’s going to be at least one doubles specialist in the final – either Harrison or the Errani/Vavassori duo. Matthew Futterman, New York Times, 20 Aug. 2025 Who is creating the Harry Potter series? Succession duo Francesca Gardiner and Mark Mylod have signed up as its writer and director, respectively. Dessi Gomez, Deadline, 19 Aug. 2025 Upon first glance, to me, there’s a level of pride between the father and son duo. Robyn Mowatt, Essence, 19 Aug. 2025 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 30 Aug. 2025.

Kids Definition

duo

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

More from Merriam-Webster on duo

Last Updated: - Updated example sentences
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