Definitions

1. adjective

shocked or amazed, often in a disapproving or disbelieving way

“The crowd was aghast at the news of the tragic accident.”

2. verb

to shock or amaze someone, often in a disapproving or disbelieving way

“The revelation aghast the audience, leaving them speechless.”

3. noun

a state of shock or amazement

“The aghast silence that followed the announcement was palpable.”