From WordNet (r) 3.0 (2006):
madness
n 1: obsolete terms for legal insanity [syn: lunacy,
madness, insaneness]
2: an acute viral disease of the nervous system of warm-blooded
animals (usually transmitted by the bite of a rabid animal);
rabies is fatal if the virus reaches the brain [syn:
rabies, hydrophobia, lyssa, madness]
3: a feeling of intense anger; "hell hath no fury like a woman
scorned"; "his face turned red with rage" [syn: fury,
rage, madness]
4: the quality of being rash and foolish; "trying to drive
through a blizzard is the height of folly"; "adjusting to an
insane society is total foolishness" [syn: folly,
foolishness, craziness, madness]
5: unrestrained excitement or enthusiasm; "poetry is a sort of
divine madness" [syn: madness, rabidity, rabidness]