| quick(adjective, direct, express, prompt) |
| hurried(verb, adjective, fast, quick) |
| rapid(adjective, direct, express, prompt) |
| swift(adjective, direct, express, prompt) |
| brisk(adjective, fast, quick, speedy) |
| hasty(adjective, fast, quick, speedy) |
| speedy(adjective, direct, express, prompt) |
| expeditious(adjective, fast, quick, rapid) |
| fleet(adjective, fast, quick, rapid) |
| active(adjective, fast, quick, nimble) |
| breakneck(prompt, fast, quick, speedy) |
| expeditive(fast, quick, speedy, brisk) |
| flashing(adjective, quick, rapid, speedy) |
| fleeting(adjective, quick, rapid, speedy) |
| flying(fast, quick, speedy, brisk) |
| nimble(prompt, fast, quick, rapid) |
| on the double(expression, idiom, fast, quick) |
| ready(prompt, fast, quick, speedy) |
| snappy(prompt, fast, quick, rapid) |
| velocious(adjective, direct, express, fast) |