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twinning

American  
[twin-ing] / ˈtwɪn ɪŋ /

noun

  1. the bearing of two children at one birth.

  2. the coupling of two persons or things; union.

  3. Crystallography. the union of crystals to form a twin.

  4. an act or instance of matching or resembling someone or something in a specific way, and the acknowledgment of this resemblance (often used attributively): I love those twinning outfits.

    accidental twinning;

    I love those twinning outfits.

    Look at their twinning duckfaces.


Etymology

Origin of twinning

First recorded in 1565–75; twin 1 + -ing 1


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

But all those efforts at twinning are a bit futile.

From The Wall Street Journal ● Oct. 31, 2025

Andy Burnham said Manchester has a twinning arrangement with Wuhan, which was the epicentre of the Covid pandemic.

From BBC ● Nov. 27, 2023

Because two to three weeks after conception, twinning might occur.

From Washington Post ● May 18, 2022

Jessica Beck, a curator at the Andy Warhol Museum in Pittsburgh, came up with the idea of twinning the artists as a way of reintroducing Marisol and showing the overlap of ideas and influence.

From New York Times ● Apr. 27, 2022

His spirit, depleted by his own depredations, pulsed too fast through his veins, twinning with a whirr and discordant jangle of...of disbelief crashing against evidence, producing a sensation of disfaith.

From "Strange the Dreamer" by Laini Taylor

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