| supersonic(adjective, prompt, fast, quick) |
| accelerated(adjective, direct, express, prompt) |
| fleeting(adjective, quick, speedy, hasty) |
| on the double(adjective, adverb, fast, quick) |
| pronto(adjective, fast, quick, speedy) |
| chop-chop(adverb, quick, speedy, quickly) |
| electric(quick, velocity, rapid, speedy) |
| expeditive(fast, quick, showy, speedy) |
| in nothing flat(expression, adjective, fast, quick) |
| speedball(adjective, fast, quick, showy) |
| velocious(adjective, direct, express, fast) |
| PDQ(quick, rapid, speedy, hurried) |
| blue streak(expression, quick, rapid, speedy) |
| double-time(adverb, quick, rapid, speedy) |
| hairtrigger(quick, rapid, speedy) |
| hypersonic(quick, rapid, speedy) |
| in a jiffy(expression, idiom, quick, rapid) |
| lickety split(expression, adverb, quick, rapid) |
| like a bat out of hell(expression, idiom, adverb, quick) |
| like all get out(expression, idiom, quick, rapid) |