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
Within five days, the duo, operating out of a Starbucks across the street, had secured the signatures needed to file for their own election in California. — Alessandra Schade, Vanity Fair, 28 Oct. 2026 With Adebayo and Antetokounmpo, Wade said, the duo have to move beyond who was in place first. — Ira Winderman, Sun Sentinel, 28 Oct. 2026 Cold weather can be tough on her hands and lips, so this L’Occitane duo provides some extra TLC. — Jeaneen Russell, PEOPLE, 28 Oct. 2026 Shirley Ballas delivered on her promise to not hold back, giving the duo a 4 in her first score of the night. — Shania Russell, Entertainment Weekly, 28 Oct. 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 1 Nov. 2026.

Kids Definition

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

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