The term "top floors" refers to the highest levels of a building. It can be beneficial to have synonyms for this phrase to avoid using repetitive language and to add variety to your writing. Some possible synonyms for "top floors" include "upper levels," "high floors," "roof levels," "penthouse levels," and "sky levels." Each of these synonyms suggests a different connotation - for example, "penthouse levels" implies luxury accommodations, while "sky levels" suggests a lofty distance from the ground. By using synonyms like these, you can add extra depth and nuance to your writing when describing the upper stories of a building.