Definitions

1. verb

to make someone so surprised or shocked that they are left speechless or unable to think clearly

“The news dumbfounded the entire town, leaving everyone stunned and speechless.”

2. verb (transitive)

to make someone so surprised or shocked that they are left speechless or unable to think clearly

“The amazing revelation dumbfounded Sarah, leaving her in a state of shock.”

3. noun

a state of being so surprised or shocked that one is left speechless or unable to think clearly

“The dumbfound was palpable as the audience watched the magician’s incredible trick.”