| high-speed(quick, rapid, speedy) |
| hurried(prompt, energetic, hot, fast, quick) |
| in nothing flat(expression, hot, fast, quick, speedy) |
| jaunty |
| knowing(smart, intelligent, competent, clever, capable) |
| lean(adjective, thin, flexible, supple, lithe) |
| light of heel(expression, idiom, velocity) |
| masterful(adjective, keen, smart, intelligent, competent) |
| neat(adjective, beautiful, elegant, clever, skillful) |
| nimble-fingered(adjective, handy, adroit, deft) |
| nippy(adjective, fast, rapid, swift) |
| on the ball(expression, idiom, smart, bright, clever) |
| on the double(expression, hot, fast, quick, speedy) |
| peppy(adjective, energetic, lively, active, vigorous) |
| pliant(adjective, elegant, beautiful, charming, flexible) |
| precipitate(prompt, fast, quick, speedy, swift) |
| proficient(adjective, keen, smart, intelligent, quick) |
| pronto(hot, fast, quick, nimble, speedy) |
| reckless(quick, speedy, hurried) |
| savvy(keen, smart, intelligent, competent, clever) |