[{"Bold_text": "noun", "List Items": ["something added to complete a thing, supply a deficiency, or reinforce or extend a whole.", "a part added to a book, document, etc., to supply additional or later information, correct errors, or the like.Synonyms: epilogue , addendum , postscript", "a part, usually of special character, issued as an additional feature of a newspaper or other periodical.", "Geometry.the quantity by which an or an arc falls short of 180° or a semicircle."]}, {"Bold_text": "verb (used with object)", "List Items": ["to complete, add to, or extend by a supplement.", "to form a supplement or addition to.", "to supply (a deficiency)."]}]