dumbfound
verb
dumb·found
ˌdəm-ˈfau̇nd 
ˈdəm-ˌfaund
variants
or less commonly dumfound
dumbfounded also dumfounded; dumbfounding also dumfounding; dumbfounds also dumfounds
: to confound (see confound sense 1) briefly and usually with astonishment
were dumbfounded at what they saw
Examples of dumbfound in a Sentence
the surprise ending will dumbfound even the most seasoned mystery reader
Recent Examples on the Web
Cubs fans who have caught Brewers games of late have likely been dumbfounded by their performance.
—
Sahadev Sharma, New York Times, 10 Aug. 2025
Neighbors were disgusted and dumbfounded about the senseless slaughter of an animal that had never caused any trouble.
—Theresa Braine, New York Daily News, 28 Jan. 2025
And while stumbling through the silly categories, the contestants are dumbfounded far too often during the episodes made available for review.
—Kelly Lawler, USA TODAY, 4 Dec. 2024
The revelation dumbfounded Clark.
—Daniel S. Levine, People.com, 21 Nov. 2024
See All Example Sentences for dumbfound
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Sahadev Sharma, New York Times, 10 Aug. 2025
Neighbors were disgusted and dumbfounded about the senseless slaughter of an animal that had never caused any trouble.
—Theresa Braine, New York Daily News, 28 Jan. 2025
And while stumbling through the silly categories, the contestants are dumbfounded far too often during the episodes made available for review.
—Kelly Lawler, USA TODAY, 4 Dec. 2024
The revelation dumbfounded Clark.
—Daniel S. Levine, People.com, 21 Nov. 2024
See All Example Sentences for dumbfound
Cite this Entry
“Dumbfound.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dumbfound. Accessed 30 Oct. 2025.
Copy CitationKids Definition
dumbfound
verb
dumb·found
variants
also dumfound
: to cause to become speechless with astonishment : amaze
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