| accelerated(prompt, fast, quick, rapid) |
| active(quick, rapid, nimble, speedy) |
| blue streak(expression, quick, nimble, speedy) |
| chop-chop(quick, rapid, nimble, speedy) |
| dashing(quick, rapid, nimble, speedy) |
| double-time(quick, rapid, nimble, speedy) |
| electric(quick, rapid, nimble, speedy) |
| expeditive(quick, showy, rapid, nimble) |
| flashing(quick, rapid, nimble, speedy) |
| fleeting(quick, rapid, nimble, speedy) |
| flying(quick, summary, nimble, speedy) |
| hairtrigger(quick, rapid, nimble, speedy) |
| in a jiffy(expression, idiom, quick, nimble) |
| lickety split(expression, quick, nimble, speedy) |
| like a bat out of hell(expression, idiom, quick, nimble) |
| like all get out(expression, idiom, quick, nimble) |
| on the double(expression, idiom, quick, nimble) |
| posthaste(quick, rapid, nimble, speedy) |
| presto(quick, rapid, nimble, speedy) |
| pronto(quick, summary, nimble, speedy) |