Definition of bonkers adjective from the Oxford Advanced Learner's Dictionary

 

bonkers

 adjective
adjective
BrE BrE//ˈbɒŋkəz//
 
; NAmE NAmE//ˈbɑːŋkərz//
 
[not before noun](informal) Describing strange traits
 
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  • completely crazy and silly I'll go bonkers if I have to wait any longer. He thought I was stark raving bonkers to give up my job. See related entries: Describing strange traits
  • Word Origin 1940s: of unknown origin.Extra examples I went a bit bonkers when he told me the news. The noise nearly drove me bonkers. The whole idea is just plain bonkers.Idioms
    (stark) raving mad/bonkers
     
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    (informal) completely crazy
    See the Oxford Advanced American Dictionary entry: bonkers