[{"Bold_text": "noun", "List Items": ["an object fired from a gun with an explosive propelling charge, such as a bullet, shell, rocket, or grenade.", "a body projected or impelled forward, as through the air."]}, {"Bold_text": "adjective", "List Items": ["impelling or driving forward, as a force.", "caused by impulse, as motion.", "capable of being impelled forward, as a missile.", "Zoology.protrusile, as the jaws of a fish."]}]