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

I’m not sure whether my speechlessness is coming from being dumbfounded or from me not having a mouth in the dream.

Read more on Literature

He might have been a bit dumbfounded but Bass never hesitated in accepting the challenge.

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The South Park police force is dumbfounded by the videos, believing they are real.

Read more on Los Angeles Times

“I’m kind of just dumbfounded why it’s going up so much,” said Chad Smith, 51, who with his wife owns a landscaping company in Coeur d’Alene.

Read more on The Wall Street Journal

It’s not just us mere mortals trying to wrap our brains around these mind-boggling numbers, as one of the world’s biggest hedge funds seems dumbfounded.

Read more on MarketWatch