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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
Things are tense between the father-daughter duo throughout season 5, Volume 2, as Eleven (Millie Bobby Brown) is furious and feels betrayed by Hopper (David Harbour). Julia Moore, PEOPLE, 26 Dec. 2025 The duo finally cracked the code for Kali's return, beginning with a dramatic episode 4 cliffhanger that bookended season 5's Volume 1 drop over Thanksgiving week. Nick Romano, Entertainment Weekly, 26 Dec. 2025 The duo, who run Alpha Productions out of Pasadena, work as consultants for films, shows, commercials and music videos involving table tennis. Greg Rosenstein, NBC news, 25 Dec. 2025 Keeping the snapping/holding duo of Weeks and Morstead intact ought to be a priority. Matt Barrows, New York Times, 25 Dec. 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 28 Dec. 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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