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
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Noun
After nearly five decades, one half of the namesake duo behind Ben & Jerry's ice cream is calling it quits. Alex Harring, CNBC, 18 Sep. 2025 The duo sold the business in 1999 for an undisclosed amount to Internet America, reportedly due to concerns about the tech bubble and the emergence of broadband technologies like cable and digital subscriber lines. Lily Mae Lazarus, Fortune, 18 Sep. 2025 Now heading to Baku for the first of a series of flyaway races, the title battle between the McLaren duo is set to take centre stage once again. Yara Elshebiny, Forbes.com, 18 Sep. 2025 The duo produce for their production company, Heartbones Entertainment. Pamela McClintock, HollywoodReporter, 18 Sep. 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 21 Sep. 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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