1. 名詞
   不可數名詞: 瘋狂行為
   精神錯亂, 精神病
   

   同義字詞
   absurdity,asininity,fatuity,folly,foolery,foppery,idiocy,imbecility,inanity,insanity,stupidity
   aberration,derangement,insanity,madness,mania
   absurdity,asininity,balminess,brainlessness,craziness,daftness,dippiness,dottiness,fatuity,fatuousness,folly,foolishness,imbecility,inanity,insanity,madness,nonsensicalness,nuttiness,preposterousness,senselessness,silliness,simplicity,wackiness,witlessness,zaniness
   

例句

1. Utter lunacy -- isn't it?
2. I consider it the height of lunacy .
3. Look at the lunacy used to defend GUNS !
4. Good Lord , lunacy and more lunacy ahead.
5. How could you not appreciate the lunacy ?
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