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