generated at
madness

noun
the state of being mentally ill, especially severely.
⦅やや古⦆ 狂気 (!専門的にはinsanity) .
狂気の沙汰; 愚の骨頂
e.g. it is madness to allow children to roam around after dark.
e.g. from about midnight to three in the morning it's absolute madness in here.