English

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

      

    impossible

     adjective
    adjective
    BrE BrE//ɪmˈpɒsəbl//
     
    ; NAmE NAmE//ɪmˈpɑːsəbl//
     
     
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  1. 1  that cannot exist or be done; not possible almost/virtually impossible It's impossible for me to be there before eight. It's impossible to prove. I find it impossible to lie to her. an impossible dream/goal opposite possible
  2. 2  very difficult to deal with I've been placed in an impossible position. Honestly, you're impossible at times!
  3. 3the impossible noun [singular] a thing that is or seems impossible to attempt the impossible
  4. Word Origin Middle English: from Old French, or from Latin impossibilis, from in- ‘not’ + possibilis, from posse ‘be able’.Extra examples Cooking for forty would be frankly impossible without my new assistant. Darkness made it impossible to continue. I find her impossible. I found his offer impossible to resist. I’m really sorry. It’s just impossible. It was well-nigh impossible for him to convince her that he was right. It’s impossible for me to say. The high cost of childcare made returning to work economically impossible. The situation is just impossible for us. They are setting a standard that it is humanly impossible to meet. With the new equipment we will be able to accomplish hitherto impossible tasks. You can be absolutely impossible at times! a desirable and far from impossible objective to achieve I realized it was an impossible dream. It’s impossible for me to be there before eight. That’s impossible!
See the Oxford Advanced American Dictionary entry: impossible