| hasty(adjective, time, slight, express, prompt) |
| quick(adjective, time, express, prompt, energetic) |
| rapid(adjective, express, prompt, energetic, violent) |
| swift(adjective, express, prompt, violent) |
| speedy(adjective, fast, quick, abrupt) |
| brisk(adjective, fast, quick, speedy) |
| accelerated(verb, adjective, fast, quick) |
| breakneck(adjective, violent, fast, quick) |
| fleet(adjective, fast, quick, nimble) |
| expeditious(adjective, fast, quick, abrupt) |
| flying(adjective, fast, quick, nimble) |
| on the double(expression, idiom, adverb, fast) |
| fleeting(adjective, time, quick, speedy) |
| snap(adjective, quick, rapid, nimble) |
| electric(adjective, quick, rapid, nimble) |
| active(adjective, express, anxious, fast) |
| agile(prompt, energetic, fast, quick) |
| chop-chop(adverb, quick, rapid, nimble) |
| dashing(adjective, quick, rapid, nimble) |
| double-time(adverb, quick, rapid, nimble) |