insanity

/ɪnˈsænəti/📚 10059 32六级托福
Insanity is the state of being insane. 精神错乱

noun [抽象名词]精神错乱,精神失常;愚蠢(或不理智)的事

...a psychiatrist who specialized in diagnosing insanity.
…一位专门诊断精神错乱的精神病学家。

来自insane(a. 精神失常的, 疯狂的); in(不) + san(健全的) + e → 精神不健全的 → 精神失常的
单词造句:
网友用“Insanity”造句精选
the final financial insanity of the 1980s 20世纪80年代财政上最后的荒唐举措。
The insanity which ran in his family haunted him. 家族世代相袭的精神病令他惴惴不安。
He was charged with murder, but got off on a plea of insanity. 他被指控犯了谋杀罪,但以精神错乱为由逃过惩罚。
Phillips murdered his wife, but got off on a plea of insanity. 菲利普斯谋杀了自己的妻子,但以精神错乱为由逃脱了罪责。