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.

Ordinary air travelers have been dumbfounded by the chaos.

From The Wall Street Journal • Mar. 1, 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

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

From Los Angeles Times • Nov. 13, 2025

"They're going to breach the ship," Venkat said, still dumbfounded.

From "The Martian" by Andy Weir