Open-air and Outside

Open-air adjective - Of, relating to, or held in the open air.

Outside is a synonym for open-air in outdoor topic. In some cases you can use "Outside" instead the phrase "Open-air" as an adjective or a noun or an adverb, when it comes to topics like out-of-doors, outdoors, where air is unconfined.

Outside adjective - Located, suited for, or taking place in the open air.

Open-air is a synonym for outside in external topic. You can use "Open-air" instead the word "Outside" as an adjective or an adverb or a noun, if it concerns topics such as outdoors.

Nearby Word: outsider