👉 The term "unpilled" is commonly used in the field of architecture and construction, specifically in relation to a building or structure that has not been completely filled with materials. This means that there are still some gaps or voids left within the walls or floors of the structure. In other words, if you look at a building without any material filling it up, then you would say "unpilled". The term is often used in a way that implies that there might be other aspects of