| double-time(hot, quick, rapid, nimble, speedy) |
| electric(hot, quick, rapid, nimble, speedy) |
| ere long(expression, soon, swiftly, proximately, snappily) |
| expeditious(hot, quick, rapid, nimble, speedy) |
| expeditive(hot, quick, rapid, nimble, speedy) |
| far ahead(expression, soon, swiftly, proximately, snappily) |
| fast(quick, rapid, speedy, soon, swiftly) |
| flashing(hot, quick, rapid, nimble, speedy) |
| fleet(hot, quick, rapid, nimble, speedy) |
| fleeting(hot, quick, rapid, nimble, speedy) |
| fleetly(adverb, soon, swiftly, proximately, snappily) |
| flying(hot, quick, rapid, nimble, speedy) |
| full tilt(expression, adverb, soon, swiftly, snappily) |
| hairtrigger(hot, quick, rapid, nimble, speedy) |
| hasty(hot, quick, rapid, nimble, speedy) |
| hot(quick, rapid, nimble, speedy, brisk) |
| hurried(hot, quick, rapid, nimble, speedy) |
| hurriedly(soon, swiftly, snappily, posthaste, fleetly) |
| hypersonic(hot, quick, rapid, nimble, speedy) |
| in a flash(expression, idiom) |