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Definitions

dumbfounded

[duhm-foun-did, duhm-foun-] / dʌmˈfaʊn dɪd, ˈdʌmˌfaʊn- /
ADJECTIVE
astounded, confused
Synonyms
STRONG
amazed astonished bamboozled beat bewildered buffaloed confounded dismayed flabbergasted floored knocked licked nonplused overcome overwhelmed puzzled shocked staggered startled stuck stumped stunned surprised thrown
WEAK
agape aghast blown-away bowled over breathless dumb speechless taken aback thunderstruck
Antonyms
STRONG
aware
WEAK
expectant unsurprised

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.

"So it's pretty ludicrous... I'm dumbfounded in terms of the stark contrast that exists currently in the landscape of sport and swimming."

From BBC • Mar. 25, 2026

Huckabee, however, appeared dumbfounded: “I’m totally unable to process what you’re trying to get at.”

From Slate • Feb. 25, 2026

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

From Barron's • Feb. 14, 2026

“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.

From The Wall Street Journal • Oct. 28, 2025

Caputo looked dumbfounded, like he’d never seen a teenager cry before.

From "Confessions of a Murder Suspect" by James Patterson