The term "shelfworn" typically refers to items that have been stored on a shelf for a long time and have started to show signs of wear or damage due to their age or use. Some synonyms for this word include "worn-out," "weathered," "tattered," "shopworn," "used," "threadbare," "dog-eared," and "well-worn." Each of these synonyms describes something that has been used repeatedly and shows signs of wear and tear. When referring to books, the term "shelfworn" is often used to describe books with bent pages, frayed edges, and worn-out covers.