: struck with terror, amazement, or horror : shocked and upset was aghast when she heard the news.

Who is an aghast person?

The definition of aghast is someone or something who has been surprised, awed or horrified. An example of someone who might feel aghast is a person who returns home to find his house has burned down.

How would you describe aghast?

adjective. struck with overwhelming shock or amazement; filled with sudden fright or horror: They stood aghast at the sight of the plane crashing.