\ ˈdü-(ˌ)ō How to pronounce duo (audio) also ˈdyü- \
plural duos

Definition of duo

 (Entry 1 of 2)

1 : duet

Definition of duo- (Entry 2 of 2)

: two duologue

Synonyms for duo

Synonyms: Noun

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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.
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Recent Examples on the Web: Noun The senior duo of quarterback Gerardo Saenz and running back Blake Corner is the real deal. Theo Mackie, The Arizona Republic, 23 Nov. 2021 The Franklin High duo of Francisco Rodriguez and David Martinez finished one-two in Division III boys. Eric Sondheimer Columnist, Los Angeles Times, 20 Nov. 2021 Cleveland is one of more than two dozen stops on the tour for Twenty One Pilots – aka the musical duo of Tyler Joseph and Josh Dun. Marc Bona, cleveland, 19 Nov. 2021 The Raiders’ pass-rushing duo of Maxx Crosby and Yannick Ngakoue has combined for 11 sacks so far this year. Kelsey Conway, The Enquirer, 18 Nov. 2021 With the quarterbacking duo of Brett Favre and Rodgers leading the Packers since 1992, Green Bay’s offense has typically drawn all of the attention. Rob Reischel, Forbes, 15 Nov. 2021 Serra’s football team somehow dodged the dynamic duo of Jakson Berman and Jurrion Dickey — and itself — to defeat visiting Valley Christian 41-30 on Saturday afternoon in a Central Coast Section Division 1 first-round playoff win. Mitch Stephens, San Francisco Chronicle, 13 Nov. 2021 Ingelse, a California Lutheran recruit, was kept plenty busy by the relentless junior hitting duo of Peyton Bergschneider and Lauren Buxton. Tony Baranek, chicagotribune.com, 13 Nov. 2021 Vocal duo of the year went to The Brothers Osborne. Marianne Garvey, CNN, 11 Nov. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'duo.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of duo


1590, in the meaning defined at sense 1

History and Etymology for duo


Italian, from Latin, two — more at two

Combining form

Latin duo

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Dictionary Entries Near duo




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Statistics for duo

Last Updated

25 Nov 2021

Cite this Entry

“Duo.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/duo. Accessed 30 Nov. 2021.

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More Definitions for duo



English Language Learners Definition of duo

: two people who perform together, are usually seen together, or are associated with each other
: a piece of music that is performed by two musicians


\ ˈdü-ō How to pronounce duo (audio) , ˈdyü- \
plural duos

Kids Definition of duo

1 : two people who are usually seen together
2 : duet

More from Merriam-Webster on duo

Nglish: Translation of duo for Spanish Speakers

Britannica English: Translation of duo for Arabic Speakers

Britannica.com: Encyclopedia article about duo


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