Duo

/ˈdjuː.əʊ/ name, noun

name, noun ·Moderate ·High school level

Meaning at a glance

  • Primary sense: Two people who work or collaborate together as partners; especially
  • Grammar: duo is listed as name, noun.
  • Nearest alternatives: couple, couplet, dyad, pair.
  • Useful contrasts: foursomes, single, solo.
  • Usage evidence: Tom and Mary are a musical duo.

How to use "duo"

  1. Start with the primary definition, then check the part of speech before placing the word in a sentence.
  2. Compare nearby synonyms to make sure "duo" carries the exact meaning, tone, and strength you need.
  3. Use the example sentence as a context check. If your sentence uses the word differently, confirm that the grammar still fits.

Meaning check

  • Does the word fit the sentence's grammar?
  • Does it match the intended tone rather than only the dictionary definition?
  • Would a simpler synonym be clearer for the reader?
  • Is there enough surrounding context to prevent ambiguity?

Source and review context

This entry combines structured lexical data with WordToolSet review checks. Definitions, examples, synonyms, and usage notes may come from different source tables, so the page is designed to show evidence from more than one angle before you rely on "duo" in a final draft.

If a word has several senses, prefer the sense that matches your sentence's grammar and surrounding context. A correct definition can still be the wrong choice when the sentence needs a different register, emphasis, or level of specificity.

Before you rely on this definition

Read the first definition as a starting point, then check the example, synonyms, and part of speech before treating "duo" as the right word for your sentence.

If your draft is formal, technical, persuasive, or sensitive, compare "duo" with a nearby alternative so the final choice matches both meaning and reader expectation.

Compare nearby meanings

  • Use synonyms when you need a softer, stronger, simpler, or more specific word.
  • Use antonyms to check the boundary of the meaning and avoid accidental contrast.
  • Use the example sentence to confirm the word behaves naturally in context.
  • Keep the original wording when a replacement adds complexity without improving precision.

Definition decision workflow

1. Identify the role

Check whether "duo" is acting as name, noun in your sentence. A definition is only useful when the grammar matches the way the word is being used.

2. Test the nearest option

Compare it with "couple" and other nearby choices to see whether the sentence needs a softer, stronger, or more familiar word.

3. Confirm with context

Use the example sentence below as an evidence check, then read your own sentence out loud to catch tone or rhythm problems.

Review note: Definition pages are checked for source coverage, sentence evidence, synonym support, and editorial insight before they are treated as approval-ready pages. If the evidence is too thin, the page remains available to users but is kept out of the approval-facing indexed inventory.

Final meaning check

Before publishing a sentence with "duo", ask whether the word helps the reader understand the idea faster. A precise word should reduce confusion, not simply make the sentence look more polished.

When the definition, synonym evidence, and example context point in the same direction, the word is usually a safer choice. When they conflict, revise the sentence or choose a clearer alternative.

Definitions

Noun
  1. 1
    Two people who work or collaborate together as partners; especially
  2. 2
    a musical composition for two performers wordnet
  3. 3
    Two people who work or collaborate together as partners; especially:; Two musicians who perform music together.
  4. 4
    a pair who associate with one another wordnet
  5. 5
    Any pair of people.
Show 5 more definitions
  1. 6
    two performers or singers who perform together wordnet
  2. 7
    Any cocktail consisting of a spirit and a liqueur.
  3. 8
    two items of the same kind wordnet
  4. 9
    A meal with two paired components.

    "The duo of pork consisted of a smoked sausage and a shoulder joint."

  5. 10
    A song in two parts; a duet.

    "I noticed early on, in playing a duo with a violinist, that when a very cheesy synthesized violin sound plays in counterpoint with a real violin, it can quite convincingly seem as if two violins are playing."

Proper Noun
  1. 1
    An unincorporated community in West Virginia.
  2. 2
    The mascot owl of Duolingo.

Example

"Tom and Mary are a musical duo."

Common questions

What does "duo" mean?

Two people who work or collaborate together as partners; especially

What is a synonym for "duo"?

Common synonyms include: couple, couplet, dyad, pair, brace, duad.

How do you use "duo" in a sentence?

Tom and Mary are a musical duo.

How do you pronounce "duo"?

Pronounced /ˈdjuː.əʊ/.

Etymology

PIE word *dwóh₁ From French duo or Italian duo, from Latin duo (“two”), from Proto-Italic *duō, from Proto-Indo-European *dwóh₁. Doublet of two, which was inherited via Proto-Germanic.

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