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

      

    mistaken

     adjective
    adjective
    BrE BrE//mɪˈsteɪkən//
     
    ; NAmE NAmE//mɪˈsteɪkən//
     
     
    jump to other results
  1. 1  [not usually before noun] mistaken (about somebody/something) wrong in your opinion or judgement You are completely mistaken about Jane. Unless I'm very much mistaken, that's Paul's wife over there. I thought I saw someone I knew, but I must have been mistaken.
  2. 2  based on a wrong opinion or bad judgement synonym misguided mistaken views/ideas I told her my secret in the mistaken belief that I could trust her.
  3. Extra examples That view seems mistaken. You are very much mistaken if you think that people will agree to these changes. He has the mistaken idea that scientists are infallible. I thought I knew him, but I must have been mistaken. It was a case of mistaken identity. They hold a number of mistaken beliefs about their new neighbours. Unless I’m very much mistaken, that’s his wife over there. You’re completely mistaken about Jane.
See the Oxford Advanced American Dictionary entry: mistaken