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
Best Hotels & Resorts Nomad Hotel Dieter Roelen and Monica Mascaros, the husband-and-wife duo behind Nomad Hotel, spent 20 years living like nomads and traveling around the world. Liz Provencher, Travel + Leisure, 9 Jan. 2026 The duo will officially start this week, the division announced Friday. Stephen Battaglio, Los Angeles Times, 9 Jan. 2026 Here, the duo talks to Deadline about unique methods employed to make one of the year’s most eye-catching short films. Destiny Jackson, Deadline, 9 Jan. 2026 The father-son duo is now grown-ups together, both on and off-screen. Brenton Blanchet, PEOPLE, 9 Jan. 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 11 Jan. 2026.

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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