- alfresco, open-air - in the open air; "an alfresco lunch"; "an open-air theater"
Antonyms: indoor, inside (indirect, via outdoor)
- 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"
--1 is a kind of outside, exterior