There are many synonyms for the term "high-rise apartment" which are commonly used in real estate. Some of the commonly used synonyms for a high-rise apartment include a skyscraper apartment, a tower block, a high-density apartment, a multi-story apartment, a high-rise block or tower, and a vertical apartment complex. These different terms refer to apartment buildings that are designed to accommodate a large number of people in the limited space available in densely populated areas. They typically have numerous floors and are built with strong foundations to support their weight. These types of apartments are common in urban areas and offer a variety of amenities and services to their residents.