Dangling a line is a common phrase used to describe the act of fishing. However, if you want to sound more creative and expand your vocabulary, there are several synonyms you can use. Some synonyms for dangling a line include angling, casting a line, fly-fishing, trolling, spin fishing, bait fishing, and lure fishing. Each of these terms refers to a specific form of fishing, but they are all interchangeable with the basic concept of dangling a line in the water. Using synonyms for common phrases can help make your writing more interesting and unique, so don't be afraid to experiment with different words!