- any of a genus (Rubia) of plants of the madder family, with petals fused to form a funnel-shaped corolla; esp., a perennial vine (R. tinctorum) with panicles of small, yellow flowers
- the red root of this vine
- a red dye made from this
- bright red; crimson
Origin of madderMiddle English mader ; from Old English mædere, akin to Old Norse mathra, Norwegian modra ; from Indo-European base an unverified form modhro-, dye plant from source Czech modrý, blue
designating a family (Rubiaceae, order Rubiales) of chiefly tropical, dicotyledonous herbs, shrubs, and trees, including bedstraw, bluet, coffee, and cinchona
- Any of several plants of the genus Rubia, especially R. tinctorum of Eurasia, having small yellow flowers, whorled leaves, and a reddish-brown root.
- a. The root of R. tinctorum, formerly an important source of the dye alizarin.b. A red dye obtained from these roots.
- A medium to strong red or reddish orange.
Origin of madderMiddle English, from Old English mædere.
- A herbaceous plant, Rubia tinctorum, native to Asia, cultivated for a red-purple dye 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 purple colour, like that of the dye.
- Of a deep reddish purple colour, like that of the dye.
- Obsolete form of mether.
- marded, MedDRA
Variant of mad
- mentally ill; insane
- wildly excited or disorderly; frenzied; frantic: mad with fear
- showing or resulting from lack of reason; foolish and rash; unwise: a mad scheme
- blindly and foolishly enthusiastic or fond; infatuated: to be mad about clothes
- wildly amusing; hilarious: a mad comedy
- having rabies: a mad dog
- angry or provoked: often with at
- showing or expressing anger
Origin of madMiddle English madd, aphetic ; from Old English gemæd, past participle of (ge)mædan, to make mad, akin to Gothic gamaiths, crippled, Old Saxon gimēd, foolish ; from Indo-European an unverified form mait- ; from base an unverified form mai-, to hew, cut off from source Gothic maitan, to hew, Classical Greek mitylos, dehorned
an angry or sullen mood or fit
have a mad on
Informal to be angry
mad as a hatteror mad as a March hare