Synonyms

dumbfounded

American

[duhm-foun-did, duhm-foun-] / dʌmˈfaʊn dɪd, ˈdʌmˌfaʊn- /

Or dumfounded

adjective

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

the simple past tense and past participle of dumbfound.

Etymology

Origin of dumbfounded

dumbfound ( def. ) + -ed ² ( def. )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Ordinary air travelers have been dumbfounded by the chaos.

From The Wall Street Journal

I was so dumbfounded I couldn’t even think straight, much less say anything.

From Literature

American skater Nathan Chen, the Beijing men's individual gold medallist, was dumbfounded, saying: "What a shock".

From Barron's

He said the volatility in recent weeks has left him and other investors feeling “awestruck and dumbfounded at times.”

From The Wall Street Journal

I was so dumbfounded by Flora’s words, I didn’t have enough sense to stop that child from taking my whole sack of lemon drops right out of my pocket.

From Literature

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023