# quick as a flash

> English word · Adjective

## Definitions
1. Extremely quick.

## Etymology
In reference to the rapidity of flashes of lightning.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/quick-as-a-flash
