| expeditive(hot, fast, quick, rapid, speedy) |
| fairylike |
| fit(adjective, skilled, skillful, lithe, sporty) |
| flexible(adjective, lithe) |
| flimsy(adjective, light, slight, easy, thin) |
| friable(adjective, light, slight, easy, thin) |
| gifted(smart, bright, intelligent) |
| headlong(prompt, fast, quick, summary, rapid) |
| high-speed(quick, rapid, speedy) |
| hurried(hot, fast, quick, rapid, speedy) |
| hurrying(adjective, fast) |
| immediate(adjective, prompt, fast, quick, summary) |
| in nothing flat(expression, hot, fast, quick, speedy) |
| ingenious(smart, bright, fast, intelligent, skillful) |
| intelligent(adjective, mind, quickness, possession) |
| jaunty |
| keen-witted |
| knowing(verb, smart, bright, intelligent) |
| light footed(expression, idiom, velocity) |
| light of heel(expression, idiom, velocity) |