Synonyms of dumbfounded

dumbfounded 1 of 2

adjective

variants also dumfounded

1

as in stunned

affected with sudden and great wonder or surprise

dumbfounded by the realization that he had just won the grand prize in the multistate lottery

Synonyms & Similar Words

• stunned
• amazed
• shocked
• astonished
• surprised
• dumbstruck
• horrified
• appalled
• astounded
• flabbergasted
• awestruck
• thunderstruck
• stupefied
• startled
• bewildered
• aghast
• dazed
• overwhelmed
• dismayed
• bowled over
• confused
• awed
• blindsided
• awesome
• wide-eyed
• agape
• widemouthed
• open-mouthed

Antonyms & Near Antonyms

• nonchalant
• unruffled
• casual
• blasé

2

as in amazed

filled with amazement or wonder

dumbfounded visitors to the Grand Canyon

Synonyms & Similar Words

• amazed
• wondering
• astonished
• surprised
• bewildered
• awed
• marveling
• astounded
• stunned
• flabbergasted
• awestruck
• puzzled
• open-mouthed
• startled
• bemused
• overwhelmed
• staggered
• stupefied

Antonyms & Near Antonyms

• unimpressed
• disinterested
• indifferent
• unconcerned
• uninterested
• impassive
• dispassionate
• bored
• unemotional
• incurious
• jaded
• emotionless

dumbfounded

2 of 2

verb

variants also dumfounded

past tense of dumbfound

as in surprised

to make a strong impression on (someone) with something unexpected

the surprise ending will dumbfound even the most seasoned mystery reader

Synonyms & Similar Words

• amazed
• surprised
• stunned
• shocked
• astonished
• startled
• flabbergasted
• astounded
• stupefied
• thunderstruck
• rocked
• bewildered
• perplexed
• confused
• befuddled
• nonplussed
• dazed
• floored
• dismayed
• bowled over
• disconcerted
• took aback
• took by surprise
• blindsided
• confounded
• muddled
• jarred
• shook up
• blew away
• discomfited
• knocked for a loop

Example Sentences

Recent Examples of dumbfounded

Adjective

O’Donnell’s dumbfounded silence at the impossible-to-grasp question speaks volumes. — Greg Evans, Deadline, 25 July 2026

She’s supposed to help only with menial tasks, but often ends up helping solve mysteries that leave the police dumbfounded. — Skyler Trepel, Entertainment Weekly, 20 June 2026

In 40 years covering South Florida sports, very few things have left me dumbfounded. — Barry Jackson, Miami Herald, 10 Apr. 2026

Lori listens in dumbfounded silence, keeping her eyes on the prize, and trying not to roll them when Julian makes a comment about the dearth of great women artists—the kind of remark that earned him a close brush with cancellation in the past. — Justin Chang, New Yorker, 3 Apr. 2026

That had everyone dumbfounded over what was going on and sharing strong reactions to Bucknor's inaccurate call, including those providing commentary on Tuesday night's game, and many fans watching the events unfold. — Matthew Couden, MSNBC Newsweek, 1 Apr. 2026

Ultimately, the dumbfounded supervisors complied with the state’s request, begrudgingly voting Tuesday to return the bread. — Jake Goodrick, Sacbee.com, 11 Mar. 2026

Nonetheless, all the experts, including her coach Geno Auriemma, seem dumbfounded by her. — Chris Branch, New York Times, 10 Mar. 2026

Now that citizens can stare dumbfounded into the same distracting bright lights (and gambling gateways) via ever-present screens, the whole of the United States has essentially transformed into the hellscape once confined to Nevada’s southern tip. — Ben Travers, IndieWire, 20 Feb. 2026

Verb

The petition by the legal rights group — which will be appealed to a higher California court — left Laci’s mother dumbfounded and did little to shake her conviction that Peterson was guilty of the murders. — Johnny Dodd, PEOPLE, 15 July 2026

Those unfamiliar with the story will also be dumbfounded by the catalog of mistakes that not only put Stagg behind bars for 14 months, but allowed the real killer to roam free (and kill again) for another two years. — Jon O'Brien, IndieWire, 3 June 2026

Employers are dumbfounded by the state’s restrictiveness. — Brendan Hellweg, Baltimore Sun, 9 Mar. 2026

James Hotchkiss / Reuters Carlos Rodriguez, outside in his robe, was dumbfounded by this show of brute force. — Natasha Korecki, NBC news, 14 Feb. 2026

The president’s vehement reaction and over-the-top attacks left some Republican senators dumbfounded. — Alexander Bolton, The Hill, 12 Feb. 2026

Warren herself is dumbfounded by the bizarre case of mistaken identity. — Benjamin Svetkey, HollywoodReporter, 11 Feb. 2026

Even though officials describe work release as a form of custody, the fact that Brom was getting a measure of freedom outraged and dumbfounded many legislators, law enforcement officials and members of the community with knowledge and memories of the horrific crime. — Matthew Stolle, Twin Cities, 29 Dec. 2025

But now that the project has been abruptly terminated, leaving veterans dumbfounded by the decision. — John Ramos, CBS News, 16 Dec. 2025