[1] : The Collaborative International Dictionary of English v.0.48

mad \mad\, a. compar. madder; superl. maddest. as. gem?d,
   gem=ad, mad; akin to os. gem?d foolish, ohg. gameit, icel.
   mei?a to hurt, goth. gam'aids weak, broken. ?.
   1. disordered in intellect; crazy; insane.
      1913 webster

            i have heard my grandsire say full oft,
            extremity of griefs would make men mad. --shak.
      1913 webster

   2. excited beyond self-control or the restraint of reason;
      inflamed by violent or uncontrollable desire, passion, or
      appetite; as, to be mad with terror, lust, or hatred; mad
      against political reform.
      1913 webster

            it is the land of graven images, and they are mad
            upon their idols.                     --jer. 1. 88.
      1913 webster

            and being exceedingly mad against them, i persecuted
            them even unto strange cities.        --acts xxvi.
                                                  11.
      1913 webster

   3. proceeding from, or indicating, madness; expressing
      distraction; prompted by infatuation, fury, or extreme
      rashness. "mad demeanor." --milton.
      1913 webster

            mad wars destroy in one year the works of many years
            of peace.                             --franklin.
      1913 webster

            the mad promise of cleon was fulfilled. --jowett
                                                  thucyd..
      1913 webster

   4. extravagant; immoderate. "be mad and merry." --shak.
      "fetching mad bounds." --shak.
      1913 webster

   5. furious with rage, terror, or disease; -- said of the
      lower animals; as, a mad bull; esp., having hydrophobia;
      rabid; as, a mad dog.
      1913 webster

   6. angry; out of patience; vexed; as, to get mad at a person.
      colloq.
      1913 webster

   7. having impaired polarity; -- applied to a compass needle.
      colloq.
      1913 webster

   like mad, like a mad person; in a furious manner; as, to
      run like mad. --l'estrange.

   to run mad.
      a to become wild with excitement.
      b to run wildly about under the influence of
          hydrophobia; to become affected with hydrophobia.

   to run mad after, to pursue under the influence of
      infatuation or immoderate desire. "the world is running
      mad after farce." --dryden.
      1913 webster
see also:
madder maddest like mad to run mad to run mad after 

[2] : The Collaborative International Dictionary of English v.0.48

madder \mad"der\ ma^d"d~er, n. oe. mader, as. maedere;
   akin to icel. maethra. bot.
   a plant of the genus rubia rubia tinctorum. the root is
   much used in dyeing red, and formerly was used in medicine.
   it is cultivated in france and holland. see rubiaceous.
   1913 webster

   note: madder is sometimes used in forming pigments, as lakes,
         etc., which receive their names from their colors, such
         as madder yellow.
         1913 webster

   field madder, an annual european weed sherardia
      arvensis resembling madder.

   indian madder, the east indian rubia cordifolia, used in
      the east for dyeing; -- called also munjeet.

   wild madder, rubia peregrina of europe; also the galium
      mollugo, a kind of bedstraw.
      1913 webster
see also:
rubia rubia tinctorum rubiaceous madder yellow field madder sherardia arvensis 
indian madder rubia cordifolia munjeet wild madder rubia peregrina 
galium mollugo 

[3] : WordNet (r) 2.0

mad
     adj 1: roused to anger; "stayed huffy a good while"- mark twain;
            "she gets mad when you wake her up so early"; "mad at
            his friend"; "sore over a remark" syn: huffy, sore
     2: affected with madness or insanity; "a man who had gone mad"
        syn: brainsick, crazy, demented, distracted, disturbed,
         sick, unbalanced, unhinged
     3: marked by uncontrolled excitement or emotion; "a crowd of
        delirious baseball fans"; "something frantic in their
        gaiety"; "a mad whirl of pleasure" syn: delirious, excited,
         frantic, unrestrained
     4: very foolish; "harebrained ideas"; "took insane risks behind
        the wheel"; "a completely mad scheme to build a bridge
        between two mountains" syn: harebrained, insane
     also: madding, madded, maddest, madder
see also:
huffy sore brainsick crazy demented distracted 
disturbed sick unbalanced unhinged delirious 
excited frantic unrestrained harebrained insane 
madding madded maddest madder 

[4] : WordNet (r) 2.0

madder
     n : eurasian herb having small yellow flowers and red roots
         formerly an important source of the dye alizarin syn: rubia
         tinctorum
     v : color a moderate to strong red
see also:
rubia tinctorum 

[5] : WordNet (r) 2.0

madder
     see mad
see also:
mad 

Madder >> M Words
Madder, definition of term: Madder
madder_pag1.html

Rose Madder >> R Words
Rose Madder, definition of term: Rose Madder
rose+madder_pag1.html