1. [adj]  (informal) 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"
2. [adj]  affected with madness or insanity; "a man who had gone mad"
3. [adj]  marked by uncontrolled excitement or emotion; "a crowd of delirious baseball fans"; "something frantic in their gaiety"; "a mad whirl of pleasure"
4. [adj]  very foolish; "harebrained ideas"; "took insane risks behind the wheel"; "a completely mad scheme to build a bridge between two mountains"

1. \Mad\, n. [Cf. W. mad a male child, a boy.]
   1. A slattern. [Prov. Eng.]
   2. The name of a female fairy, esp. the queen of the fairies;
      and hence, sometimes, any fairy. --Shak.
   

2. \Mad\, obs.
   p. p. of {Made}. --Chaucer.
   

3. \Mad\, a. [Compar. {Madder}; superl. {Maddest}.] [AS. gem?d,
   gem[=a]d, mad; akin to OS. gem?d foolish, OHG. gameit, Icel.
   mei?a to hurt, Goth. gam['a]ids weak, broken. ?.]
   1. Disordered in intellect; crazy; insane.
            I have heard my grandsire say full oft, Extremity of
            griefs would make men mad.            --Shak.
   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.
            It is the land of graven images, and they are mad
            upon their idols.                     --Jer. 1. 88.
            And being exceedingly mad against them, I persecuted
            them even unto strange cities.        --Acts xxvi.
                                                  11.
   3. Proceeding from, or indicating, madness; expressing
      distraction; prompted by infatuation, fury, or extreme
      rashness. ``Mad demeanor.'' --Milton.
            Mad wars destroy in one year the works of many years
            of peace.                             --Franklin.
            The mad promise of Cleon was fulfilled. --Jowett
                                                  (Thucyd.).
   4. Extravagant; immoderate. ``Be mad and merry.'' --Shak.
      ``Fetching mad bounds.'' --Shak.
   5. Furious with rage, terror, or disease; -- said of the
      lower animals; as, a mad bull; esp., having hydrophobia;
      rabid; as, a mad dog.
   6. Angry; out of patience; vexed; as, to get mad at a person.
      [Colloq.]
   7. Having impaired polarity; -- applied to a compass needle.
      [Colloq.]
   {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.
   

4. \Mad\, v. t. [imp. & p. p. {Madded}; p. pr. & vb. n.
   {Madding}.]
   To make mad or furious; to madden.
         Had I but seen thy picture in this plight, It would
         have madded me.                          --Shak.
   

5. \Mad\, v. i.
   To be mad; to go mad; to rave. See {Madding}. [Archaic]
   --Chaucer.
         Festus said with great voice, Paul thou maddest.
                                                  --Wyclif
                                                  (Acts).
   

6. \Mad\, n. [AS. ma?a; akin to D. & G. made, Goth. mapa, and
   prob. to E. moth.] (Zo["o]l.)
   An earthworm. [Written also {made}.]
   

1. Michigan Algorithm Decoder.

2. A data flow language.

["Implementation of Data Structures on a Data Flow Computer", D.L. Bowen, Ph.D. Thesis, Victoria U Manchester, Apr 1981].