Synonyms of flabbergasted

flabbergasted 1 of 2

adjective

ˈfla-bər-ˌga-stəd 

1

as in amazed

affected with sudden and great wonder or surprise

was flabbergasted when we heard she was moving out of the state

Synonyms & Similar Words

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

Antonyms & Near Antonyms

• nonchalant
• casual
• unruffled
• blasé

2

as in wondering

filled with amazement or wonder

responded to the news of his arrival with a flabbergasted gasp

Synonyms & Similar Words

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

Antonyms & Near Antonyms

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

flabbergasted

2 of 2

verb

past tense of flabbergast

as in surprised

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

your decision to suddenly quit your job flabbergasts me

Synonyms & Similar Words

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

Example Sentences

Recent Examples of flabbergasted

Adjective

An enthralling photo of Shelton knelling on one knee holding out a ring toward a flabbergasted Berdomas has over 15 million views on X largely due to the massive twister behind them. — Anthony Robledo, USA Today, 3 July 2025

In a video shared on Miss America’s Instagram page, Stockard appeared flabbergasted as she was crowned the victor. — Gabrielle Rockson, People.com, 6 Jan. 2025

Rowe was repeatedly asked by flabbergasted lawmakers how problems so obvious in hindsight were allowed to happen. — Rebecca Santana, Sun Sentinel, 5 Dec. 2024

The channel’s flabbergasted hosts, played by Heidi Gardner and Mikey Day, try their best to steer away from the fact that the cookie is a boob. — Rima Parikh, Vulture, 20 Oct. 2024

Vinicius looked flabbergasted when referee Jesus Valenzuela produced a yellow card — one that means he will now be suspended for Brazil’s quarterfinal date with Uruguay. — Jack Lang, The Athletic, 2 July 2024

Verb

In the meantime, many in town are flabbergasted at how the filmmaker-friendly De Luca and Abdy’s exits were first reported in the press. — Anthony D'alessandro, Deadline, 2 Oct. 2026

On Sunday night, Cleveland Browns head coach Todd Monken was left flabbergasted by the situation. — Trey Wallace Outkick, FOXNews.com, 24 Aug. 2026

These not-so-genial genitors are hounding hiring managers, shadowing their kid’s Zoom calls off-camera, and even applying for jobs on their behalf, per the paper’s reporting, leaving their employers flabbergasted. — Frank Landymore, Futurism, 6 Aug. 2026

The Man of Steel star was flabbergasted by the entire incident. — Emlyn Travis, Entertainment Weekly, 24 June 2026

Hockney was flabbergasted by the asking price. — Mark Rozzo, Vanity Fair, 12 June 2026

The show’s hosts were flabbergasted in their post-game coverage. — Jack Dunn, Variety, 11 June 2026

Beardsley described herself as flabbergasted by the news. — Abigail Min, Mercury News, 27 Mar. 2026

Shapiro was flabbergasted and offended. — Francesca Chambers, USA Today, 24 Jan. 2026