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

madcap \mad"cap`\, a.
   1. inclined to wild sports; delighting in rash, absurd, or
      dangerous amusements. "the merry madcap lord." --shak.
      1913 webster

   2. wild; reckless. "madcap follies" --beau.  fl.
      1913 webster

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

madcap \mad"cap`\, n.
   a person of wild behavior; an excitable, rash, violent
   person. --shak.
   1913 webster

[3] : WordNet (r) 2.0

madcap
     adj : characterized by undue haste and lack of thought or
           deliberation; "a hotheaded decision"; "liable to such
           impulsive acts as hugging strangers"; "an impetuous
           display of spending and gambling"; "madcap escapades";
           `brainish' is archaic syn: hotheaded, impulsive,
            impetuous, tearawaya, brainish
     n : a reckless impetuous irresponsible person syn: daredevil,
          hothead, swashbuckler, lunatic, harum-scarum
see also:
hotheaded impulsive impetuous tearawaya brainish daredevil 
hothead swashbuckler lunatic harum-scarum 

[4] : Moby Thesaurus II by Grady Ward, 1.0

123 moby thesaurus words for "madcap":
   mafioso, young turk, adventurer, adventuress, adventurous, ardent,
   audacious, banana, beast, beldam, berserk, berserker, bold, bomber,
   brash, brazenface, brute, burlesquer, caricaturist, clown,
   comedian, comic, cutup, daredevil, daring, death-defying, demon,
   devil, dragon, epigrammatist, fanatic, fiend, fiery, fire-eater,
   fire-eating, firebrand, flaming, foolhardy, forward, funnyman,
   fury, gag writer, gagman, gagster, goon, gorilla, gunsel,
   hard-core, hardnose, harebrained, harum-scarum, hasty, heated,
   hell-raiser, hellcat, hellhound, hellion, holy terror, hood,
   hoodlum, hot, hothead, hotheaded, hotspur, humorist, incendiary,
   inflamed, ironist, jester, joker, jokesmith, jokester, killer,
   lampooner, mad dog, madbrain, madbrained, monster, mugger,
   parodist, passionate, prankster, presumptuous, punner, punster,
   quipster, rantipole, rapist, red-hot, reparteeist, revolutionary,
   satirist, savage, scorching, she-wolf, spitfire, termagant, terror,
   terrorist, thoughtless, tiger, tigress, totally committed, tough,
   tough guy, ugly customer, violent, virago, vixen, wag, wagwit,
   white-hot, wild, wild beast, wild man, wild-ass, wisecracker, wit,
   witch, witling, wolf, zany, zealous

[5] : Virtual Entity of Relevant Acronyms (Version 1.9, June 2002)

madcap
     multicast address dynamic client allocation protocol rfc 2730,
     multicast
     
     

[6] : The Free On-line Dictionary of Computing (27 SEP 03)

madcap
     
        math and set problems, for the maniac ii and cdc 6600.
        "madcap - a scientific compiler for a displayed formula
        texbook language", m.b.  wells, cacm 41:31-36 jan 1961.
        sammet 1969, pp.271-281.  versions: madcap 5 1964, madcap 6.
        "the unified data structure capability in madcap 6",
        m.b. wells et al, intl j comp info sci 13 sep 1972.
     
     

Madcap >> M Words
Madcap, definition of term: Madcap
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