👉 Overbulkiness, also known as bulkiness, is a phenomenon in which an object is more dense than its surroundings. This can occur due to various factors such as temperature, humidity, or pressure. In other words, it refers to the tendency of an object to appear larger when it is actually smaller compared to its surroundings. Overbulkiness can be caused by several reasons such as increased moisture content in a material, which increases its density, or changes in physical properties due to chemical reactions.