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

Now in its fifth edition, her Forever Is Now has transformed the Giza plateau into the world’s most storied open-air gallery, drawing blue-chip artists, fashion houses and collectors to a site where permits remain notoriously difficult to secure. —Ritu Upadhyay, Footwear News, 26 Nov. 2025

Many tourists encounter it on their way to see the nearby Colosseum, Roman Forum and the other treasures of the Capitoline hill, one of the world’s most spectacular open-air museums. —Barbie Latza Nadeau, CNN Money, 25 Nov. 2025

Noun

It is designed for easygoing travelers and families—and anyone who likes open air, hot cheese, and mountain views. —Evie Carrick, Travel + Leisure, 7 Nov. 2025

Outside is an open air patio, where family and friends gather for long dinners next to a kitchen plastered with family pictures. —Chris Kenning, USA Today, 25 Oct. 2025

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