astonishment - definition and synonyms

 
noun [uncountable] 

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/əˈstɒnɪʃmənt/
  1. very great surprise

    A look of astonishment crossed his face.

    Some ministers expressed astonishment that they could no longer travel first class.

    in astonishment:

    ‘Are you really leaving?’ asked Felix in astonishment.

    to your/his/her etc astonishment:

    To my astonishment it was dark when I woke up.