| posthaste(hot, quick, nimble, speedy, brisk) |
| presto(hot, quick, nimble, speedy, brisk) |
| quick(hot, rapid, speedy, quickly, rapidly) |
| double-quick(soon, swiftly, snappily, posthaste) |
| double-time(hot, quick, rapid, nimble, speedy) |
| flat-out(quickly, rapidly, speedily) |
| full tilt(expression, quickly, rapidly, soon, snappily) |
| hasty(adjective, hot, quick, rapid, nimble) |
| hurried(hot, quick, rapid, nimble, speedy) |
| immediately(adverb, quickly, rapidly, speedily) |
| in nothing flat(expression, hot, quick, speedy, quickly) |
| lickety split(expression, hot, quick, nimble, speedy) |
| like a bat out of hell(expression, idiom, hot, quick, nimble) |
| like greased lightning(expression, idiom, adverb, quickly, rapidly) |
| like wildfire(expression, quickly, rapidly, soon, snappily) |
| on the double(expression, idiom, adverb, hot, quick) |
| snappily(soon, swiftly, posthaste, fleetly) |
| swift(hot, quick, rapid, speedy, quickly) |
| PDQ(hot, quick, rapid, nimble, speedy) |
| accelerated(hot, quick, rapid, speedy) |