0 so shocked that you cannot speak:
He was dumbfounded by the allegations.
1 so shocked and surprised that you cannot speak:
Ray is dumbfounded at the questions.
She described him as dumbfounded when he saw that he sat in the middle part of the curve.
Historians of medieval philosophy may well be dumbfounded.
Individual groups are making huge efforts to restore understanding and then an initiative comes along that leaves them dumbfounded.
I would hazard a guess that our ancestors would be dumbfounded if they could witness some of our modern-day, nonsensical illogicalities.
If the city had been upset by or, indeed, dumbfounded by what the notice contained.
I am dumbfounded that he continues to make this spurious connection.
I am dumbfounded because most of our wheat will be planted by then.
People will be dumbfounded to learn of the big change in the legislation—the duke will no longer pay the same as the dustman.
