dumfounder in a sentence

v. t.

Definition

DUMFOUNDER (verb): to leave someone temporarily speechless or astonished due to shock or surprise.

The unexpected news left her completely dumfounder, struggling to find the right words.
As he walked into the surprise party, a look of dumfounder spread across his face.
The magician's final trick was so astonishing that it left the audience in dumfounder silence.
After hearing the shocking revelation, his friends stared at him in dumfounder disbelief.
The complexity of the puzzle was enough to dumfounder even the most experienced players.