| active(adjective, express, energetic, lively) |
| agile(quick, velocity, rapid, nimble) |
| hasty(adjective, quick, rapid, nimble) |
| hurried(quick, rapid, nimble, excitability) |
| winged(quick, velocity, rapid, nimble) |
| PDQ(quick, rapid, nimble, speedy) |
| accelerated(quick, rapid, speedy) |
| blue streak(expression, quick, nimble, speedy) |
| breakneck(quick, rapid, nimble, speedy) |
| brisk(quick, rapid, nimble, speedy) |
| dashing(quick, rapid, nimble, speedy) |
| double-time(quick, rapid, nimble, speedy) |
| expeditious(quick, velocity, rapid, nimble) |
| expeditive(quick, rapid, nimble, speedy) |
| flashing(quick, rapid, nimble, speedy) |
| fleet(quick, velocity, rapid, nimble) |
| fleeting(quick, rapid, nimble, speedy) |
| flying(quick, velocity, rapid, nimble) |
| hairtrigger(quick, rapid, nimble, speedy) |
| hypersonic(quick, rapid, nimble, speedy) |