[{"Bold_text": "verb (used with object)", "List Items": ["to bring to a fine or a pure state; free from impurities:to refine metal, sugar, or petroleum.", "to purify from what is coarse, vulgar, or debasing; make elegant or cultured.", "to bring to a finer state or form by purifying.", "to make more fine, subtle, or precise:to refine one's writing style."]}, {"Bold_text": "verb (used without object)", "List Items": ["to become pure:The silver is refining in the furnace.", "to become more fine, elegant, or polished:His parents hope that his manners will refine as he gets older.", "to make fine distinctions in thought or language."]}, {"Bold_text": "verb phrase", "List Items": ["to improve by inserting finer distinctions, superior elements, etc.:to refine on 's previous work."]}]