1. 名詞
   瘋人, 瘋子
   愚蠢的人
   瘋狂愚蠢的人
   癲狂者, 狂人
   /此名詞複數為"lunatics"/
   

   同義字詞
   crackbrain,crazy,loon,loony,maniac,nut,psycho,psychopath
   booby,cuckoo,featherhead,fool,goose,half-wit,mooncalf,nincompoop,ninny,ninnyhammer,nitwit,nut,simpleton,turkey,yo-yo
   

2. 形容詞
   瘋的, 瘋癲的
   瘋狂的
   精神錯亂的
   喪心病狂的
   愚蠢的, 愚妄的
   

   同義字詞
   balmy,bats,batty,bedlam,bonkers,brainsick,certifiable,crackbrained,cracked,crackpot,crazed,crazy,cuckoo,daffy,daft,demented,deranged,gaga,insane,kooky,kookie,loco,loony,looney,mad,maniacal,maniac,mental,non compos mentis,nuts,nutty,psychotic,screwy,unbalanced,unhinged,unsound,wacky,whacky
   absurd,asinine,balmy,brainless,cockeyed,crackpot,crazy,cuckoo,daffy,daft,dippy,dotty,fatuous,featherheaded,fool,foolish,half-baked,half-witted,harebrained,inept,insane,jerky,kooky,kookie,loony,looney,lunkheaded,mad,nonsensical,nutty,preposterous,sappy,screwball,senseless,silly,simpleminded,stupid,tomfool,unwise,wacky,whacky,weak-minded,witless,zany
   

例句

1. Pure lunatic fun, every frame.
2. They might be the lunatic fringe.
3. The man was a lunatic ,' Nevil said.
4. He is either a lunatic or a traitor.
5. Which makes him a paradoxical lunatic .
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