lightning fast
Extremely fast, fast as lightning.
Meaning adapted from Wiktionary, available under CC BY-SA 4.0.
“The new computer is lightning fast.”
“The delivery driver was lightning fast, arriving at my door only ten minutes after I placed the order.”
“With a lightning fast reaction, the goalkeeper lunged across the net to stop the ball from entering the goal.”
- 01
come thick and fast
To arrive rapidly in large groups.
- 02
fast and furious
Rapid and energetic.
- 03
fast asleep
Sleeping, in a deep sleep.
- 04
fast sheet
A hotel or similar establishment catering to prostitutes.
- 05
fast times
A period of time characterized by quickly-paced activity, especially involving extravagant or risky conduct, sexual behavior, or other exciting events.
- 06
go nowhere fast
To fail to make any progress.
- 07
hold fast
To stubbornly resist assault, pressure or opposition, either physically or mentally.
- 08
lightning in a bottle
That which one seeks in attempting a difficult or challenging feat.
Last updated August 10, 2026