DictionaryAI

duo

noun
USDOO-oh/ˈdu.oʊ/UKDYOO-oh/ˈdjuː.əʊ/

Pluralduos

6 meanings of duo

Practice

  1. 1
    team of twonouncountable
    Two people who are together or do something together, like two partners.

    Like two people on the same team who share every job.

    The comedy duo wrote all their sketches together.

    My sister and I make a good duo in the kitchen: she cooks and I clean.

    UsagePlural: duos. We say a comedy duo.

    Similarpair, twosome

  2. 2
    musical pairnouncountable
    Two musicians who play or sing music together.

    The guitar duo played two songs at the wedding.

    They formed a duo and toured small clubs all summer.

    UsageWe say a jazz duo. The music is a duet.

    Similarduet, pair, twosome

    Note
  3. 3
    two thingsnouncountable
    Two things that go together, or are sold or used as a pair, like matching products or furniture.

    I bought my mom a shampoo and conditioner duo for her birthday.

    The two lamps make a nice duo on either side of the couch.

    UsageOften seen in shops: a skincare duo. You can also say pair.

    Similarpair, set

Less common meanings

  1. 4
    piece for twonouncountable
    A piece of music written for two singers or players.

    Our music teacher gave us a short duo to learn for the spring concert.

    She wrote a simple duo for piano and violin.

    UsageDuet is the more common word for this.

    Similarduet

    Note
  2. 5
    paired dishnouncountable
    A dish made of two parts that go well together.

    The menu offered a duo of salmon, one piece smoked and one grilled.

    I can't pick between the two pies, so I'll just order the duo.

    UsageSay a duo of chocolate.

    Similarpairing, combination

    Note
  3. 6
    noun
    A mixed drink made from a strong spirit and a sweet liqueur.

Practice

Can you tell the meanings of duo apart? Answer 3 quick questions from this page, or write your own sentence and AI will check it.

Origin

It came from French or Italian "duo," which came from Latin "duo," meaning "two."

Checked 30 Oct 2026 · 3 facts