The term "red back" can refer to various animals, insects, or objects that are characterized by their distinct red coloration on the back. Some synonyms for "red back" include red-spotted, red-streaked, red-striped, and ruby-backed. These synonyms are often used to describe specific species, such as the red-spotted newt, the red-streaked hawk, the red-striped snake, and the ruby-backed beetle. In addition, "red back" can also refer to a medical condition caused by a spider bite. Synonyms for this particular condition include red-back spider bite, red-back poisoning, and latrodectism. Regardless of the context, these synonyms help to provide a more vivid and descriptive portrayal of anything with a red back.