insane

a. insane root: the root causing insanity,as henbane orhemlock能使人精神错乱的草根（如天仙子或毒胡萝卜）
△ Mac.1.3 83: “Were such things here as we dospeak about? / Or have we eaten on the insane root /That takes the reason prisoner?” i.e. Were such thingshere as we are speaking about? Or have we been eat-ing the root that makes one mad,that fetters the rea-son like a pinsoner in chains?我们所说的这些东西果真在此出现过吗？ 莫非我们吃了迷魂的草根，把理智幽禁了？

insane[inˈsein]

adj.精神错乱的，疯狂的
‖ insane asylum 精神病院
insanitary[inˈsænitəri]adj.不卫生的，有碍健康的
insanitary[inˈsænitəri]adj.不卫生的，有碍健康的
insanity[inˈsæniti]n.精神病，精神错乱