[{"Bold_text": "noun", "List Items": ["Informal. baby boomer(def) baby boomer(def).", "a period of sudden and decisive economic growth:July was a boomer for the retail trade.", "a person who settles in areas or towns that are undergoing a period of rapid economic or population growth:He was among the first boomers to settle in the town when it began to grow.", "Informal.a person, fad, etc., that enjoys a brief popularity or financial success:This season's hit album turned the group into a boomer.", "a person or thing that booms :These speakers are real boomers with an amazing balance of bass to treble.", "an enthusiastic supporter; booster:The boomers tell us our town can double its size.", "Australian.a fully grown male kangaroo, especially a large one.", "Navy Slang.a submarine that can fire intercontinental ballistic missiles and especially those equipped with a nuclear warhead.", "Informal: Older Use.a wandering or migratory worker; hobo."]}]