[{"Bold_text": "noun", "List Items": ["a boxer; pugilist.", "Military.an aircraft designed to seek out and destroy enemy aircraft in the air and to protect bomber aircraft.", "a person who fights , struggles, resists, etc.", "a person with the will, courage, determination, ability, or disposition to fight , struggle, resist, etc.", "an , as a dog, trained to fight having the disposition to fight ."]}]