[{"Bold_text": "noun", "List Items": ["one of four copies or identical items, especially copies of typewritten material."]}, {"Bold_text": "adjective", "List Items": ["consisting of four identical parts.", "pertaining to a fourth item or copy of something."]}, {"Bold_text": "verb (used with object)", "List Items": ["to produce or copy in quadruplicate.", "to make four times as great."]}]