flabbergast

flab·ber·gast
F4L1A1B3B3E1R1G2A1S1T1
UK/ˈflæbə(ˌ)ɡɑːst/US/ˈflæbɚˌɡæst/

verb

To overwhelm with bewilderment; to amaze, confound, or stun, especially in a ludicrous manner.

“His flabbergast was so great he couldn’t even come up with a plausible answer.”

First used late 18th c.Scrabble 19

Meanings

verbflabbergast (third-person singular simple present flabbergasts, present participle flabbergasting, simple past flabbergasted, past participle flabbergasted or flabbergast)

present singular third person flabbergasts · participle present flabbergasting · past flabbergasted · participle past flabbergasted

  1. transitiveTo overwhelm with bewilderment; to amaze, confound, or stun, especially in a ludicrous manner.First known use late 18th c.

    He was flabbergasted to find that his work had been done for him before he began.

    5 more examples

    Her stupidity flabbergasts me, and I have to force myself to keep a straight face while she explains her beliefs.

    The oddity of the situation was so flabbergasting I couldn’t react in time for anyone to see it.

    Now we are flabbergaſted and bored from morning to night—in the ſenate, at Cox's muſeum, at Ranelagh, and even at church.

    1772, “Observator” [pseudonym], “On New Words; from the Same [Town and Country Magazine]”, in Edmund Burke, editor, The Annual Register, or A View of the History, Politics, and Literature, volume XV, London: Printed for J[ames] Dodsley, […], published 1773, →OCLC, page 191, column 1

    They flabagast good manners and good morals, and only show that one of the parties is vex'd and disappinted.^([sic])

    1834, Jack Downing [pseudonym; Seba Smith], chapter XXV, in The Life of Andrew Jackson, President of the United States, Philadelphia, Pa.: Published by T. K. Greenbank, →OCLC, page 183

    Now, there are assertions, not dissimilar in their power of benumbing and flabbergasting one, but yet within the bounds of sane and perfectly orderly plausibility, for which our language wants a name. Paradox is too hackneyed a term. They ought to be called Buckleisms. When a man makes an assertion clean in the teeth of all previous belief, and makes it coolly, fluently, without proof, and yet as if contradiction were impossible—that is a Buckleism.

    1861 August, [David Masson], “Mr. Buckle’s Doctrine as to the Scotch and Their History”, in David Masson, editor, Macmillan’s Magazine, volume IV, number 22, Cambridge; London: Macmillan and Co. […], →OCLC, part II (The Weasel-wars of Scotland and the Scottish Reformation), page 316, column 1

    Synonyms: flabbergaster

nounflabbergast (countable and uncountable, plural flabbergasts)

plural flabbergasts

  1. countableAn awkward person.

    Synonyms: dork, dweeb, geek, dork, flabagast, flabaghast, gink, nerd

  2. uncountableOverwhelming confusion, shock, or surprise.

    His flabbergast was so great he couldn’t even come up with a plausible answer.

    3 more examples

    Her foibles were flattery, fine feeling, and flabergast; and if not old enough to be his mother, sufficiently so to be a young aunt.

    1852 October, “Adventures of Tom Honeycomb—No. I”, in Yankee Notions, volume 2, number 10, New York, N.Y.: Published by T. W. Strong, […], →OCLC, page 297

    Then quit your flabbergast, and talk in plain English.

    1868 February 22, Oliver Optic [pseudonym; William Taylor Adams], “Freaks of Fortune; or, Half Round the World”, in Oliver Optic, editor, Oliver Optic’s Magazine. Our Boys and Girls, volume III, number 60, Boston, Mass.: Published by Lee and Shepard, […], →OCLC, chapter XVI (Pistols for Two), page 117, column 2

    Bob's big-eyed flabbergast struck him as comic and he laughed and said, "Lying sack, hey?"

    1998, James Carlos Blake, Red Grass River: A Legend, New York, N.Y.: Avon Books, →ISBN; 1st Perennial edition, New York, N.Y.: Harper Perennial, 2000, →ISBN, page 52

    Synonyms: astonishment, astoundedness, awe, dumbfoundedness, flabbergaster, flabbergastation, flabbergastment, stupefaction

Synonyms & antonyms

verbTo overwhelm with bewilderment; to amaze, confound, or stun, especially in a ludicrous manner.

More synonyms by meaning

verbovercome with amazement

Broader

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

The origin of the verb is uncertain; possibly dialectal (Suffolk), from flabby or flap (“to strike”) + aghast. The word may be related to Scottish flabrigast (“to boast”) or flabrigastit (“worn out with exertion”). The noun is derived from the verb.

Full word history & related roots →

Translations

Bulgarian поразявам, слисвам
  • поразявам (porazjavam)to overwhelm with bewilderment
  • слисвам (slisvam)to overwhelm with bewilderment
Czech ohromit
  • ohromitto overwhelm with bewilderment
Dutch verbluffen
  • verbluffento overwhelm with bewilderment
Estonian pahviks lööma
  • pahviks löömato overwhelm with bewilderment
Finnish ällistyttää
  • ällistyttääto overwhelm with bewilderment
French époustoufler
  • époustouflerto overwhelm with bewilderment
German verblüffen, erstaunen
  • verblüffento overwhelm with bewilderment
  • erstaunento overwhelm with bewilderment
  • baff seinto overwhelm with bewilderment
  • platt seinto overwhelm with bewilderment
  • abschnallento overwhelm with bewilderment
  • aus allen Wolken fallento overwhelm with bewilderment
  • Verblüffungoverwhelming confusion, shock, or surprise — see also astonishment
  • Erstaunenoverwhelming confusion, shock, or surprise — see also astonishment
Greek αφήνω άναυδο, αφήνω εμβρόντητο
  • αφήνω άναυδο (afíno ánavdo)to overwhelm with bewilderment
  • αφήνω εμβρόντητο (afíno emvróntito)to overwhelm with bewilderment
  • σαστίζω (sastízo)to overwhelm with bewilderment
  • καταπλήσσω (kataplísso)to overwhelm with bewilderment
Hungarian megdöbbent, elképeszt
  • megdöbbentto overwhelm with bewilderment
  • elképesztto overwhelm with bewilderment
Italian sorprendere, stupire
  • sorprendereto overwhelm with bewilderment
  • stupireto overwhelm with bewilderment
  • impressionareto overwhelm with bewilderment
  • colpireto overwhelm with bewilderment
  • sbalordireto overwhelm with bewilderment
Norwegian Bokmål forbløffe
  • forbløffeto overwhelm with bewilderment
Russian изумля́ть, изумѝть
  • изумля́ть (izumljátʹ)to overwhelm with bewilderment
  • изумѝть (izumìtʹ)to overwhelm with bewilderment
  • ошара́шить (ošarášitʹ)to overwhelm with bewilderment
  • поража́ть (poražátʹ)to overwhelm with bewilderment
  • поразѝть (porazìtʹ)to overwhelm with bewilderment
  • удивля́ть (udivljátʹ)to overwhelm with bewilderment
  • удивѝть (udivìtʹ)to overwhelm with bewilderment
Swedish förbluffa
  • förbluffato overwhelm with bewilderment
Cite this entry
APA

flabbergast. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/flabbergast

MLA

“flabbergast.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/flabbergast. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “flabbergast,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/flabbergast.

Source: flabbergast on Wiktionary, CC BY-SA 4.0.