quick as a flash

adjective

Extremely quick.

Similar
fulgurantfast as lightninglightning fastlightning-quickin a flashquick as a foxlightningly
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Meanings

adjectivequick as a flash (not comparable)
  1. idiomaticnot comparablesimileExtremely quick.

    Synonyms: fulgurant, fast as lightning, lightning fast, lightning-quick, in a flash, quick as a fox

adverbquick as a flash (not comparable)
  1. idiomaticnot comparablesimileExtremely quickly.

    Synonyms: lightning fast, in a flash, lightningly

Synonyms & antonyms

adjectiveExtremely quick.

Similar
fulgurantfast as lightninglightning fastlightning-quickin a flashquick as a fox

adverbExtremely quickly.

Similar
lightning fastin a flashlightningly
Also see
before you can say jack robinsonfast as lightningin a flashlightning fastlightning-quickprecipitantquick as a foxquicklyzippy

Origin

In reference to the rapidity of flashes of lightning.

Full word history & related roots →

Translations

Danish lynhurtigt
  • lynhurtigtextremely quickly
Finnish salamannopeasti
  • salamannopeastiextremely quickly
German blitzschnell, wie der Blitz
  • blitzschnellextremely quickly
  • wie der Blitzextremely quickly
  • blitzartigextremely quickly
Greek αστραπιαία
  • αστραπιαία (astrapiaía)extremely quickly
Icelandic eins og snæljós
  • eins og snæljósextremely quickly
Italian fulmineamente, in un lampo
  • fulmineamenteextremely quickly
  • in un lampoextremely quickly
  • in un balenoextremely quickly
  • in un battibalenoextremely quickly
  • a rotta di colloextremely quickly
  • come un fulmineextremely quickly
Polish błyskawicznie
  • błyskawicznieextremely quickly
Russian молниено́сно
  • молниено́сно (molnijenósno)extremely quickly
Spanish a toda leche, en volandas
  • a toda lecheextremely quickly
  • en volandasextremely quickly
  • como un rayoextremely quickly
Swedish blixtsnabbt
  • blixtsnabbtextremely quickly
Ukrainian бли́скавично
  • бли́скавично (blýskavyčno)extremely quickly
Vietnamese nhanh như chớp
  • nhanh như chớpextremely quickly
Yiddish פּי פּאַ פּאָ, ער איז שוין נישטאָ
  • פּי פּאַ פּאָ, ער איז שוין נישטאָ (pi pa po, er iz shoyn nishto)extremely quickly
Cite this entry
APA

quick as a flash. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/quick%20as%20a%20flash

MLA

“quick as a flash.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/quick%20as%20a%20flash. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “quick as a flash,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/quick%20as%20a%20flash.

Source: quick as a flash on Wiktionary, CC BY-SA 4.0.