impossible - definition and synonyms

 
 
 
adjective 

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/ɪmˈpɒsəb(ə)l/
  1. 1
    if something is impossible, no one can do it or it cannot happen

    We were faced with an impossible task.

    it is impossible to do something:

    It would be impossible to gather this information without using computers.

    1. a.
      extremely difficult to do or to deal with

      The job makes impossible demands on your patience.

      be impossible to do something:

      This book is impossible to read without crying.

      make something impossible:

      Dealing with her illness makes life pretty impossible for the rest of the family.

  2. 2
    someone who is impossible behaves in a way that is unreasonable and annoying

    Young children are impossible at times.