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.

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Etymology

Origin of twinning

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

Example Sentences

Some are twinning a trip to the gym with coffee mornings or protein smoothie meet-ups - further boosting the social experience.

From BBC • Mar. 21, 2026

But all those efforts at twinning are a bit futile.

From The Wall Street Journal • Oct. 31, 2025

There’s a case to be made for the twinning of these events.

From Washington Post • May 19, 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

She spun slowly, taking in the curious twinning of familiarity and the strange that was stranger in its way than the wholly alien had been.

From "Strange the Dreamer" by Laini Taylor