Meanings
adjectivelightning fast (not comparable)
alternative adjective lightning-fast
- idiomaticnot comparableExtremely fast, fast as lightning.
Synonyms: fulgurant, lightning-quick, quick as a flash, in a flash
Synonyms & antonyms
adjectiveExtremely fast, fast as lightning.
adverbExtremely quickly.
Translations
Ancient Greek ἀελλόπος
- ἀελλόπος (aellópos)fast as lightning
Danish lynhurtig
- lynhurtigfast as lightning
Dutch bliksemsnel
- bliksemsnelfast as lightning
Esperanto fulmrapida
- fulmrapidafast as lightning
Finnish salamannopea
- salamannopeafast as lightning
French éclair, foudroyant
- éclairfast as lightning
- foudroyantfast as lightning
- rapide comme l'éclairfast as lightning
German blitzschnell, blitzgeschwind
- blitzschnellfast as lightning
- blitzgeschwindfast as lightning
- blitzartigfast as lightning
Greek κεραυνοβόλος, αστραπιαίος
- κεραυνοβόλος (keravnovólos)fast as lightning
- αστραπιαίος (astrapiaíos)fast as lightning
Hungarian villámgyors
- villámgyorsfast as lightning
Italian fulmineo, veloce come un fulmine
- fulmineofast as lightning
- veloce come un fulminefast as lightning
- veloce come un lampofast as lightning
Norwegian Bokmål lynrask
- lynraskfast as lightning
Polish błyskawiczny, błyskawicowy
- błyskawicznyfast as lightning
- błyskawicowyfast as lightning
Russian молниено́сный
- молниено́сный (molnijenósnyj)fast as lightning
Spanish fulminante
- fulminantefast as lightning
Swedish blixtsnabb
- blixtsnabbfast as lightning
Ukrainian блискави́чний
- блискави́чний (blyskavýčnyj)fast as lightning
Vietnamese chớp nhoáng
- chớp nhoángfast as lightning
Cite this entry
APA
lightning fast. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/lightning%20fast
MLA
“lightning fast.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/lightning%20fast. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “lightning fast,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/lightning%20fast.
Source: lightning fast on Wiktionary, CC BY-SA 4.0.