Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun open-air

1 sense of open air

Sense 1
outdoors, out-of-doors, open air, open -- (where the air is unconfined; "he wanted to get outdoors a little"; "the concert was held in the open air"; "camping in the open")
       => outside, exterior -- (the region that is outside of something)

Antonyms of adj open-air

1 sense of open-air

Sense 1
alfresco, open-air (prenominal) -- (in the open air; "an alfresco lunch"; "an open-air theater")

INDIRECT (VIA outdoor) -> indoor -- (located, suited for, or taking place within a building; "indoor activities for a rainy day"; "an indoor pool")

Similarity of adj open-air

1 sense of open-air

Sense 1
alfresco, open-air (prenominal) -- (in the open air; "an alfresco lunch"; "an open-air theater")
       => outdoor (prenominal) (vs. indoor), out-of-door, outside -- (located, suited for, or taking place in the open air; "outdoor clothes"; "badminton and other outdoor games"; "a beautiful outdoor setting for the wedding")