\ ˈō-pən-ˈer How to pronounce open-air (audio) \

Definition of open-air

 (Entry 1 of 2)

open air


Definition of open air (Entry 2 of 2)

: the space where air is unconfined especially : outdoors

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Synonyms & Antonyms for open-air

Synonyms: Adjective

alfresco, out-of-door (or out-of-doors), outdoor (also outdoors), outdoorsy

Synonyms: Noun

nature, open, out-of-doors, outdoors, wild, wilderness

Antonyms: Adjective


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Examples of open-air in a Sentence


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

Recent Examples on the Web: Noun

The company’s initial investigation showed that hydrogen gas that had leaked caught fire in the open air. Echo Huang, Quartz, "A hydrogen fueling station fire in Norway has left fuel-cell cars nowhere to charge," 12 June 2019 Monet grew up here and painted in the open air with the older artist Eugène Boudin, so discovering his vocation for capturing light and atmosphere. National Geographic, "Step into Impressionist paintings on this French tour," 17 Apr. 2019 The hot baths in the basement were open air, facing giant trees and a tiny stream. Ed Droste, Vogue, "Stargazing in Tokyo and Glamping Near Mt. Fuji: Ed Droste’s Epic Japan Travel Diary," 28 May 2019 April marks the 25th anniversary of the start of the Rwandan genocide, in which almost 800,000 Tutsis and moderate Hutus were indiscriminately set upon and murdered—in their homes, in schools, in churches and in the open air. Walter Russell Mead, WSJ, "Legacy of an African Genocide," 1 Apr. 2019 Demonstrations of his physical prowess, famed in the open air, were unwelcome in refined drawing rooms . . David S. Reynolds, WSJ, "‘Becoming Lincoln’ Review: The Center That Held," 15 Feb. 2019 Tens of thousands of people cheered Francis at an open air Mass in late morning at an esplanade along the port city's waterfront. Fox News, "Pope paying tribute in Sicily to priest slain by Mafia," 15 Sep. 2018 Even if that’s not an issue, the thought of having my head cut open and the site of my very self exposed to the open air and other people is unnerving. Daphne Beal, Vogue, "After One Writer Finds Out She Has a Brain Tumor, She Confronts It Head On," 10 Aug. 2018 With a buzzy list of interior and antique shops, cheese and specialty purveyors, cocktail bars and open air markets, there’s something for every discerning traveler. Ariel Okin, Vogue, "A Tiny Town Neighboring Napa Is the Next California Culinary Destination," 5 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'open-air.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of open-air


1830, in the meaning defined above


15th century, in the meaning defined above

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Statistics for open-air

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Time Traveler for open-air

The first known use of open-air was in the 15th century

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More Definitions for open-air



English Language Learners Definition of open-air

: located outside rather than inside a building

open air


Kids Definition of open air

: space that is not enclosed or covered

Other Words from open-air

open-air adjective An open-air concert will be held in the park.

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More from Merriam-Webster on open-air

Rhyming Dictionary: Words that rhyme with open-air

Thesaurus: All synonyms and antonyms for open-air

Spanish Central: Translation of open-air

Nglish: Translation of open-air for Spanish Speakers

Comments on open-air

What made you want to look up open-air? Please tell us where you read or heard it (including the quote, if possible).


incapable of being surmounted or overcome

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