to overwhelm with amazement; astonish greatly; shock with wonder or surprise.

What do we mean by astounded?

: feeling or showing great surprise or wonder : astonished, amazed was astounded to hear the news We were too astounded to speak. We could only stand there staring in amazement.— Arthur Conan Doyle. Synonyms More Example Sentences Learn More About astounded.

What is the synonym for astounded?

Some common synonyms of astound are amaze, astonish, flabbergast, and surprise. While all these words mean "to impress forcibly through unexpectedness," astound stresses the shock of astonishment. too astounded to respond.