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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
He has been aided by fellow wideout Jameson Williams, who is having another strong season, as well as the team's outstanding tag-team duo of Jahmyr Gibbs and David Montgomery at the running back position. Robert Marvi, MSNBC Newsweek, 5 Dec. 2025 The 6-foot-3, 195-pound playmaker has 793 yards and eight TDs on 44 receptions in only nine games so far, and is half of the best receiver duo in the country, opposite Jeremiah Smith. Eddie Brown, San Diego Union-Tribune, 4 Dec. 2025 The remaining 18 holes will be outside and are under construction, though the duo hope to launch that course in the spring. Kansas City Star, 4 Dec. 2025 The acting duo joins Season 2, already in production, with returning cast members Brittany Snow, Malin Akerman, Jaime Ray Newman, Dermot Mulroney, Evan Jonigkeit, George Ferrier, Karen Rodriguez, Hunter Emery and Branton Box. Bryan Alexander, USA Today, 4 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 8 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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