| rapid(adjective, fast, quick, speedy) |
| pronto(quick, nimble, speedy, brisk) |
| quick(adjective, fast, rapid, speedy) |
| swift(adjective, fast, quick, rapid) |
| posthaste(quick, nimble, speedy, brisk) |
| breakneck(adjective, fast, quick, rapid) |
| expeditious(adjective, fast, quick, nimble) |
| speedy(adjective, fast, quick, rapid) |
| chop-chop(quick, nimble, speedy, brisk) |
| fleet(adjective, fast, quick, rapid) |
| hasty(adjective, fast, quick, rapid) |
| nimble(adjective, fast, quick, rapid) |
| snappy(adjective, fast, quick, rapid) |
| brisk(adjective, quick, rapid, nimble) |
| dashing(adjective, fast, quick, rapid) |
| fleeting(quick, rapid, nimble, speedy) |
| in a jiffy(expression, idiom, quick, first) |
| in nothing flat(expression, quick, speedy, quickly) |
| PDQ(quick, rapid, nimble, speedy) |
| accelerated(quick, rapid, speedy) |