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

Today, this Chilean territory is essentially an open-air archaeological museum, with many of its enigmatic moai (representations of Polynesian ancestors) returned to their upright positions following seven decades of restoration. — Mark Johanson, Condé Nast Traveler, 30 Oct. 2026

For quieter hours, there is a second-floor polar library stocked with field guides and maritime histories, as well as an upper-level observation lounge opening onto an open-air viewing deck. — Liam Hess, Vogue, 29 Oct. 2026

Noun

The couple spent significant time touring open air markets in Italy, which, Caruso said, were loaded with seafood and fresh produce. — Susan Degrane, Chicago Tribune, 22 Oct. 2026

Climate technology company Aircapture is capitalizing on that market with its system that works with companies to extract CO2 on-site directly from open air, for their business use. — Charlotte Hu, Time, 15 Oct. 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