[{"Bold_text": "noun", "List Items": ["any plant of the genus Rubia,especially the climbing R. tinctorum,of Europe, having open clusters of small, yellowish flowers.Compare madder family madder family.", "the root of this plant, formerly used in dyeing.", "the dye or coloring matter itself.", "a color produced by such a dye."]}, {"Bold_text": "adjective", "List Items": ["comparative of mad ."]}]