\ ˈdü-(ˌ)ō also ˈdyü- \
plural duos

Definition of duo

 (Entry 1 of 2)

1 : duet

Definition of duo- (Entry 2 of 2)

: two duologue

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Synonyms for duo

Synonyms: Noun

brace, couple, couplet, dyad, pair, twain, twosome

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Examples of duo in a Sentence


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

Dubbed 'Tommy x Zendaya,' the duo's first see-now, buy-now collection is slated to debut on March 2 at Paris Fashion Week, WWD reports. Lauren Alexis Fisher, Harper's BAZAAR, "Zendaya and Tommy Hilfiger to Debut First Collaboration at Paris Fashion Week," 8 Jan. 2019 The disappointing duo trudge into one of the coldest bowl games each season with more bad news: uncertainty at QB. Dan Gelston, The Seattle Times, "Miami, Wisconsin set to battle cold in frigid Pinstripe Bowl," 26 Dec. 2018 The Silos have a rich history, marking the duo's beginning, and the company's already thinking of its next chapter, Chip shared with the Waco Tribune-Herald. Taylor Mead, House Beautiful, "All The Details About Magnolia's New Headquarters," 15 Oct. 2018 Indeed, some of the duo's models allow for a mass as low as that of Earth, Teachey said. Mike Wall, Space.com, "First Exomoon Found? Neptune-Sized World Possibly Spotted Orbiting Alien Planet," 3 Oct. 2018 The duo's collection included three lipsticks, an eye shadow palette, and highlighters, all of which were very well-received by fans and left them wanting more from the influencer friends. Devon Abelman, Allure, "Dose of Colors Is Dropping a Second Desi x Katy Collection on September 24," 17 Sep. 2018 Their moment of camaraderie came at a moment of high political tension, yet the duo's ability to look past party lines and see the humanity behind the politics served as an inspiration to many. Lauren Hubbard, Town & Country, "A Brief History of George W. Bush and Michelle Obama's Friendship," 4 Sep. 2018 The duo's latest team-up, STXfilms' Mile 22, will hit theaters this August. Mia Galuppo, The Hollywood Reporter, "Mark Wahlberg, Peter Berg Reteam for 'Wonderland' at Netflix," 26 June 2018 SoundCloud, the music streaming service that allows artists to upload tracks, became the duo's primary platform. Kyle Swenson, chicagotribune.com, "XXXTentacion: The nasty, brutish and short life of the chart-topping rapper," 20 June 2018

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








Statistics for duo

Last Updated

29 Jan 2019

Look-up Popularity

Time Traveler for duo

The first known use of duo was in 1590

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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 , ˈdyü-\
plural duos

Kids Definition of duo

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

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More from Merriam-Webster on duo

Thesaurus: All synonyms and antonyms for duo

Spanish Central: Translation of 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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