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 ( def ).

Word History and Origins

Origin of dumbfounded¹

dumbfound ( def ) + -ed ²( def )

Example Sentences

Some progressive voters in the state, where Democrats control the governor’s office and Legislature, were dumbfounded by the early results, while Republicans seized on the moment as proof that California is becoming more conservative.

From Los Angeles Times

As Williams rams her finger against a console button to lower her window, any fear that her disoriented passengers are experiencing as the incident seemingly escalates quickly gives way to dumbfounded laughter.

From Los Angeles Times

“There’s so much I want to say and I just can’t. I’m just dumbfounded they took my son. He’s my right and he’ll always be with me, he’s my heart.”

From Los Angeles Times

How the super yacht sank so quickly while other smaller vessels nearby survived the storm undamaged has dumbfounded experts.

From BBC

The last thing we saw was her dumbfounded face.

From New York Times