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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
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
Incredibly, the duo — who are expecting their third child — had already won a $1 million top prize in April. Janelle Griffith, PEOPLE, 27 Nov. 2025 Simply thinking about a duo of Henry and Jeremiah Smith playing together next season would be a dream offense with Julian Sayin throwing them the football. Evan Massey, MSNBC Newsweek, 27 Nov. 2025 The lovable duo from the smash Netflix movie will join the parade as a balloon and a balloonicle. Gavon Laessig, NBC news, 27 Nov. 2025 Mentorship, the duo agreed, is central to sustainable growth. Essie Assibu, Variety, 27 Nov. 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 1 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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