[{"Bold_text": "noun", "List Items": ["a person or thing that closes :a door with a mechanical closer.", "a person or thing that concludes:The piece would be a great closer for a concert.", "Baseball.a relief pitcher brought in toward the end of the game to hold the team’s lead.", "a person who brings something, especially a business deal, to a successful conclusion:a car salesman known as one of the best closers.", "Also called closure .Masonry.any of various specially formed or cut bricks for spacing or filling gaps between regular bricks or courses of regular brickwork."]}, {"Bold_text": "adjective", "List Items": ["comparative of close ."]}]