Open English Wordnet
Nouns
(n)rabies, hydrophobia, lyssa, madnessan 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
(n)folly, foolishness, craziness, madnessthe 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”