dumbfounded

Or dum·found·ed

[duhm-foun-did, duhm-foun-]

adjective

1. speechless with amazement; astonished or showing astonishment.

   I smiled at the dumbfounded look on their faces as their eyes widened and their mouths fell slack.

verb

1. the simple past tense and past participle of dumbfound.

Word History and Origins

Origin of dumbfounded¹

dumbfound ( def. ) + -ed ² ( def. )

Example Sentences

The wife of a dementia patient has said she was "dumbfounded" after only being offered "a wad of leaflets" after his diagnosis.

From BBC

He said Mr Crocker was "dumbfounded", adding: "He couldn't believe it. He couldn't believe it was so quick, either."

From BBC

Heling, a 68-year-old resident of Raleigh, told Salon that having the validity of her voter registration called into question for a second time in the span of a year has left her dumbfounded.

From Salon

They asked me and they were dumbfounded, which was hilarious to me.

From Los Angeles Times

“Tonight I was a little dumbfounded,” said Roberts.

From Los Angeles Times