duo

1 of 2

noun

ˈdü-(ˌ)ō How to pronounce duo (audio)
also ˈdyü-
plural duos
Synonyms of duonext
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
The club’s victorious April surely has the attention of a duo with deep pockets. Dennis Lin, New York Times, 27 Apr. 2026 The duo, who are parents to daughter Coco, were married from 1999 until their divorce in 2013. Sarah Sotoodeh, FOXNews.com, 26 Apr. 2026 The duo still own the bar, while Kate Hall manages. Jenna Thompson april 26, Kansas City Star, 26 Apr. 2026 The duo was committed to making something fun for the audience, week after week, during a time when expectations were sky-high. Tereza Shkurtaj, PEOPLE, 26 Apr. 2026 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 28 Apr. 2026.

Kids Definition

duo

noun
plural duos
1
: duet
2
: a group of two : pair entry 1

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