madness

be insane, become insane; lose one's senses, lose one's reason, lose one's faculties, lose one's wits; go mad, run mad; rave, dote, ramble, wander; drivel (be imbecile); have a screw loose, have a devil; avoir le diable au corps; lose one's head (be uncertain) [more]., render mad, drive mad; madden, dementate, addle the wits, derange the head, infatuate, befool; turn the brain, turn one's head.