The term 'hardly stuffy' can be described as AIRY, which is a four-letter word. This term implies that something is not confined or restricted, and has a sense of openness and freedom. It can be used to describe a physical space, such as a room with high ceilings and large windows, or a situation, such as a relaxed atmosphere with few rules or regulations. In either case, the term 'hardly stuffy' suggests a lack of formality and an inviting atmosphere.