1. dumbfounded - Adjective
2. dumbfounded - Verb
3. dumbfounded - Adjective Satellite
as if struck dumb with astonishment and surprise
Source: WordNetI never cease being dumbfounded by the unbelievable things people believe. Leo Rosten
This love is so overpowering that the will alone enters the amorous bosom of love, where it savors an unutterable love beyond all understanding and expression. All the while, the dumbfounded intellect remains paralyzed at the gate. John of St. Samson
The teacher that I was for decades, and that I still am in a certain way, wondered what was meant by the word education. I was truly dumbfounded at the very thought of dealing with such an essential and extensive subject. Abdoulaye Wade
I am dumbfounded that there hasn't been a crackdown with the libel and slander laws on some of these would-be writers and reporters on the Internet. Walter Cronkite
a circle of policemen stood dumbfounded by her denial of having seen the accident Source: Internet
the flabbergasted aldermen were speechless Source: Internet