Folded up is a common phrase that refers to something that has been folded or compressed into a smaller size. However, there are several other words that can be used to describe a similar action. These synonyms include: tucked, crumpled, creased, compressed, wrapped, scrunched, piled, stacked, bundled up, and rolled. Each of these words can be used in a unique situation to describe an object or piece of clothing that has been folded up or compressed in some way. By using these synonyms, a writer can create a more diverse and interesting vocabulary that helps to bring their writing to life.