Definition of aghast adjective from the Oxford Advanced American Dictionary

     

    aghast

     adjective
    adjective
    NAmE//əˈɡæst//
     
    [not before noun]
     
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  1. 1filled with horror and surprise when you see or hear something synonym horrify
  2. 2 Erica looked at him aghast. aghast at something He stood aghast at the sight of so much blood.
See the Oxford Advanced Learner's Dictionary entry: aghast