Open air is a term used to describe outdoor spaces that are exposed to the elements. It is often associated with the fresh air, natural light, and sense of freedom that can be experienced in outdoor environments. However, there are many other words that can be used to describe these open spaces. Some common synonyms for open air include outdoor, alfresco, outdoor living, outside, expanse, and wide-open. Each of these words conveys a slightly different nuance or feeling, but all describe the same basic idea of being outdoors and exposed to the elements. Whether you prefer the feeling of an alfresco meal or the sense of expansiveness that comes from being outside, there is a synonym for open air that will suit your needs.