[mad] adj mad.der ; mad.dest [ME medd, madd, fr. OE gemaed, pp. of (assumed) gemaedan to madden, fr. gemad silly, mad; akin to OHG gimeit foolish, crazy] (bef. 12c) 1: disordered in mind: insane
2. a: completely unrestrained by reason and judgment "driven ~ by the pain" b: incapable of being explained or accounted for "a ~ decision"
3: carried away by intense anger: furious "~ at myself" "~ about the delay"
4: carried away by enthusiasm or desire "~ about horses" "~ for the boy next door"
5: affected with rabies: rabid
6: marked by wild gaiety and merriment: hilarious 7: intensely excited: frantic "~ with jealousy" 8: marked by intense and often chaotic activity: wild "a ~ scramble" -- mad.dish adj
[2]mad vb mad.ded ; mad.ding (14c): madden [3]mad n (1834) 1: a fit or mood of bad temper
2: anger, fury