[{"Bold_text": "adjective", "List Items": ["of pure or unmixed breed, stock, or lineage, as a horse or other animal; bred the purest and best blood.", "(sometimes initial capital letter)of or relating to the Thoroughbred breed of horses.", "(of a person) having good breeding or education."]}, {"Bold_text": "noun", "List Items": ["(initial capital letter)one of a breed of horses, to which all racehorses belong, originally developed in England by crossing Arabian stallions with European mares.", "a thoroughbred animal.", "a well-bred or well-educated person."]}]