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
The duo got engaged in October 2021 while on a trip to Greece. Ashlyn Robinette, People.com, 7 Aug. 2025 The duo utilized a park near their production stages to erect the set pieces that included buildings, tents, and a gigantic tower with an observation deck – the latter of which required constructing multiple versions. Daron James, IndieWire, 7 Aug. 2025 The duo combines to produce an outlandish 1,250 hp and 973 ft lbs of torque, thanks to which the car can rocket from zero to 60 mph in under two seconds and hit a top speed of 233. Bryan Hood, Robb Report, 7 Aug. 2025 Largely inspired by the expansion of Sweetgreen, the duo started a food truck in Washington, DC in 2014 with the intention of taking it fast-casual some day. Andrew Watman, Forbes.com, 7 Aug. 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 22 Aug. 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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