lightning fast

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lightning fast

adjective lightning-fast

idiomatic, not comparable Extremely fast, fast as lightning.
Similar: fulgurant, lightning-quick, quick as a flash, in a flash

adverb lightning-fast

idiomatic, not comparable Extremely quickly.
Similar: quick as a flash, in a flash, lightningly

Translations

Every language

adj fast as lightning

Español	fulminante
Français	éclair, foudroyant, rapide comme l'éclair
Deutsch	blitzschnell, blitzgeschwind, blitzartig
Italiano	fulmineo, veloce come un fulmine, veloce come un lampo
Ελληνικά	κεραυνοβόλος keravnovólos, αστραπιαίος astrapiaíos
Русский	молниено́сный molnijenósnyj
Tiếng Việt	chớp nhoáng

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MLA

"lightning fast." Wiktionary, via Micwyn, micwyn.com/word/lightning%20fast. Accessed 6 Nov. 2026.

APA

lightning fast. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/lightning%20fast

Chicago

"lightning fast." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/lightning%20fast.

BibTeX

@misc{lightning_fast_2026,
  title = {lightning fast},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/lightning%20fast},
  urldate = {2026-11-06}
}