American Dictionary

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Definition duo in American English

duo noun

[countable] noun
/ˈduˌoʊ/
1

two people who sing, play music, or perform together

Example

a comedy duo

Synonyms and related words
1.1

two people who work together or who often do things together

Example

My father and his business partner were a formidable duo.

Synonyms and related words
2

a duet for two instruments

Synonyms and related words
Definition duo in American English