adj. comparative form of mad: more madn. Alternative spelling of mether.(obsolete)n. A herbaceous plant, Rubia tinctorum, native to Asia, cultivated for a red-purple dye obtained from the root.n. The root of the plant, used as a medicine or a dye.n. A dye made from the plant.n. A deep reddish purple colour, like that of the dye.adj. Of a deep reddish purple colour, like that of the dye.