[{"Bold_text": "adjective", "List Items": ["(of vehicles, glass, clothing, etc.) capable of resisting or absorbing the impact of a bullet .", "Informal.safe from failure; without errors or shortcomings and beyond criticism:a bulletproof system; a bulletproof budget."]}, {"Bold_text": "verb (used with object)", "List Items": ["to make (something) bulletproof."]}]