* Well-loved: This implies that the book has been read often and the dog-eared pages are a sign of its popularity.
* Used: This is a general term that suggests the book has been read by others.
* Marked: This emphasizes the intentional use of dog-eared pages for marking specific sections.
* Dog-eared: This is the most common and descriptive term, referring to the specific way the pages have been folded.
You could also use phrases like "a book with its pages turned down" or "a book with folded corners."
Ultimately, the best description will depend on the context and the tone you want to convey.