at lightning speed

Incredibly quickly or speedily. Did you see that martial arts expert? He threw those kicks at lightning speed! At lightning speed, Mary finished her exam and raced out of the classroom. Wow, these new computers can run incredibly complex programs at lightning speeds!

at/with ˌlightning ˈspeed

very fast: The lecturer talked at lightning speed. ♢ They’re a very efficient company. They reply to your letters with lightning speed.

See also: lightning, speed

Farlex Partner Idioms Dictionary © Farlex 2017

See also:

at/with lightning speed
with lightning speed
(as) fast as lightning
(as) quick as lightning
like lightning
(as) swift as lightning
a turn of speed
turn of speed
be as fast as the speed of light
faster than greased lightning

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