use Dumbfounded in a sentence
[adjective] very surprised, speechless with surprise;
I was dumbfounded to see how many people could squeeze onto one bus when I was travelling in Guatemala.
You will be dumbfounded when you hear Sarah sing, she has a beautiful voice.
I’m so dumbfounded I don’t know what to think or feel.
I think he was a bit dumbfounded by that response.
When I heard the news flash, I was dumbfounded.
He was dumbfounded by what he saw.
[verb] make someone speechless with surprise or amazement;
The Beatles album’s huge sales dumbfound the record industry.
Such complex questions dumbfound not only students but also the experts.
The children dumbfounded us with their knowledge of environmental issues.
His memory dumbfounds me.