I was too dumbfounded to speak.
She looked dumbfounded but made no move to stop him.
"What did I say?" he asked, dumbfounded.
But when I think about it, I guess I shouldn't be exactly dumbfounded.
When he described the scene to Cynthia later that night, she was dumbfounded that he hadn't burst into the boudoir and exposed the bloodied corpse of the dead acting sheriff that she was certain was reposing behind the closed door.
While I was dumbfounded, inherent pragmatism caused me to further prompt.
Dumbfounded (but compliant as always) the top military brass want to know, retaliate with WHAT?
The word usage examples above have been gathered from various sources to reflect current and historial usage. They do not represent the opinions of YourDictionary.com.