| expeditive(fast, rapid, swift, highpowered, chop-chop) |
| express(prompt, fast, quick, rapid, swift) |
| fast(prompt, irritable, quick, rapid, speedy) |
| fiery(quick, speedy, hurried) |
| fleet(prompt, fast, irritable, quick, abrupt) |
| flying(fast, rapid, swift) |
| foolhardy(quick, speedy, hurried) |
| going(fast, rapid, swift) |
| hasty(adjective, prompt, fast, irritable, quick) |
| headlong(prompt, fast, quick, rapid, speedy) |
| heedless(quick, speedy, hurried) |
| hurried(prompt, fast, quick, rapid, speedy) |
| ill-advised(quick, speedy, hurried) |
| immediate(prompt, fast, irritable, quick, rapid) |
| impatient(fast, irritable, quick, rapid, speedy) |
| impetuous(fast, quick, rapid, speedy, swift) |
| incautious(quick, speedy, hurried) |
| inconsiderate(quick, speedy, hurried) |
| instantaneous(fast, rapid, swift) |
| keen(fast, rapid, swift) |