[{"Bold_text": "adjective", "List Items": ["consisting of or forming a large mass; bulky and heavy:massive columns.", "large and heavy-looking:a massive forehead.", "large in scale, amount, or degree:a massive breakdown in communications;massive reductions in spending.", "solid or substantial; great or imposing:massive erudition.", "Mineralogy.having no outward crystal form, although sometimes crystalline in structure."]}, {"Bold_text": "noun", "List Items": ["Mount,a mountain in central Colorado, in the Sawatch Range of the Rocky Mountains: second highest in U.S. Rockies. 14,421 feet (4,396 meters)."]}]