open-air

1 of 2

adjective

ˈō-pən-ˈer 

: outdoor

open air

2 of 2

noun

: the space where air is unconfined

especially : outdoors

Synonyms of open-air

Adjective

• outdoor

Noun

• wilderness
• wild

Examples of open-air in a Sentence

Adjective

an open-air concert under the stars

Noun

a family of city dwellers who can't wait to go camping in the open air

Recent Examples on the Web

Adjective

In 2024, the resort added a wellness shala, a swooping open-air pavilion designed by Mexican architects Luis Alejandro Cuesta and Javier Creuheras of Arquitectura Mixta perched on a hill overlooking the ocean and the resort below. —Condé Nast, Condé Nast Traveler, 16 May 2026

World Cup matches at open-air venues in North America this summer could be threatened by dangerous heat and humidity, a climate research group says. —Sarah Kaplan, Washington Post, 14 May 2026

Noun

Now, using a system designed and built by the Fraunhofer Center for Applied Photonics in Glasgow, Vector Photonics’ PCSELs transmitted data through open air at the near-infrared wavelength of 1310 nanometers—in telecom’s O-band, a familiar wavelength for fiber-optic communications. —IEEE Spectrum, 7 May 2026

Outdoor cooking should always stay outdoors in fully open air, allowing plenty of room for gases to escape. —Jessica Safavimehr, Southern Living, 30 Apr. 2026

Word History

First Known Use

Adjective

1830, in the meaning defined above

Noun

15th century, in the meaning defined above

Rhymes for open-air

• aftercare
• anywhere
• billionaire
• chinaware
• debonair
• dinnerware
• disrepair
• doctrinaire
• earthenware
• everywhere
• frigidaire
• kitchenware

Kids Definition

open air

noun

: outdoors entry 2 sense 1

open-air adjective