lightning fast

(hyphenated if used before a noun) Incredibly fast; too quick to keep up with. Did you see that martial arts expert? His kicks were lightning fast! My brother has a lightning-fast wit.

Common Names:

Name	Pronounced	Usage
Stefana	STAY-fah-nah	Dutch
Amabilis	-	Late Roman
Asier	-	Basque
Eithne	ETH-na, ET-na, EN-ya, EN-a	Irish, Scottish
Osvald	-	Swedish, Norwegian, Danish
Johna	JAHN-ə	English (Rare)