lightning fast
Quick as electricity
Lightning fast means extremely quick, with the speed and sudden intensity of a lightning strike.
The phrase emphasizes instantaneous action or reaction: The service was lightning fast, Her lightning-fast reflexes saved the goal.
Often hyphenated when used as an adjective before a noun.
- swiftMoving with speed
- speedyCharacterized by quickness
- rapidMoving with haste
- instantaneousHappening without any delay
- in a flashWithout any delay
quick · quick on the draw · quick reflexes · ultrafast · split-second · quickish · flash · fleet · quick-witted · high-speed · velocity · expeditious · quick as a flash · overclocked · streak · brisk · spry · hurried
- Weather Idiomsunder the weather, when it rains it pours, come rain or shine, rain check, take a rain check
- Hyperbolea zillion, bazillion, gazillion, bajillion, zillion
- Quick wordsinstant, swift, rapid, speedy, hasty
- Speed Expressionsin a flash, quick as a flash, in no time, lickety-split, lickety split
- intensifiersvery, really, extremely, absolutely, incredibly
- Mind Idiomssharp mind, open mind, quick wit, bird brain, pea brain
lightning fastsnail-paced
Moving very slowly
sluggish · tortoise-like · crawling · slow as molasses · creeping
lightning fastgradual
Developing slowly over time
incremental · step-by-step · slow and steady · drawn-out · prolonged
lightning, fast, light, lights, lighted, lighting, lighten, lightened, lightening