sunroom

American  

[suhn-room, -room] / ˈsʌnˌrum, -ˌrʊm /

noun

1. a room designed to admit a large amount of sunlight; sun parlor or sun porch.

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sunroom British  

/ ˈsʌnˌruːm, ˈsʌnˌrʊm /

noun

1. a room or glass-enclosed porch designed to display beautiful views, to admit and retain the sun's heat in cool countries, and reflect it away in warm countries

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Etymology

Origin of sunroom

An Americanism dating back to 1920–25; sun + room

Example Sentences

“There’s a little bit more of a scalable ladder here,” Greg Cebulski, 38, said from a large sunroom overlooking a generous yard.

From The Wall Street Journal • Jan. 3, 2026

It’s filmed in Britt’s home, and the two women sit on white floral armchairs in a Southern-style sunroom.

From Slate • Dec. 18, 2025

That extension, the description notes, would see the home outfitted with two additional bedrooms, as well as a “formal dining room, sunroom, and large screened-in porch.”

From MarketWatch • Dec. 8, 2025

The renovated kitchen has an open-floor plan, with a sunroom attached to it, and the basement has a basketball court and home theater.

From New York Times • May 28, 2024

So was the back wall of the sunroom, and part of a wall in the dining room with its rosebud wallpaper.

From "Ivy Aberdeen’s Letter to the World" by Ashley Herring Blake