madness

(noun) obsolete terms for legal insanity. Synonyms: lunacy, insaneness.

(noun) 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. Synonyms: rabies, hydrophobia, lyssa.

(noun) a feeling of intense anger. Synonyms: fury, rage. Examples: "Hell hath no fury like a woman scorned." "His face turned red with rage."

(noun) the quality of being rash and foolish. Synonyms: folly, foolishness, craziness. Examples: "Trying to drive through a blizzard is the height of folly." "Adjusting to an insane society is total foolishness."

(noun) unrestrained excitement or enthusiasm. Synonyms: rabidity, rabidness. Example: "Poetry is a sort of divine madness."