astounded
adjective
UK/əˈstaʊn.dɪd/
US/əˈstaʊn.dɪd/
Definitions of astounded adjective
extremely surprised or shocked; overwhelmed with astonishment.
I was astounded when I found out that he won the grand prize.
She was astounded and speechless upon hearing the news.
The audience was astounded by the magician's performance.