noun
A herbaceous plant, Rubia tinctorum, native to Asia, cultivated for a red-purple dye (alizarin) obtained from the root.
The root of the plant, used as a medicine or a dye.
A dye made from the plant.
A deep reddish colour, like that of the dye.
adjective
Of a deep reddish purple colour, like that of the dye.
verb
(transitive, rare) To dye with madder.
adjective
comparative form of mad: more mad
noun
Obsolete form of mether.
verb
Eye dialect spelling of matter.