| flying(adjective, hot, fast, quick, velocity) |
| precipitate(verb, adjective, prompt, fast, quick) |
| lightning(adjective, short, quick, speedy, urgent) |
| winged(adjective, sharp, lively, hot, fast) |
| active(adjective, activity, movement, moving, keen) |
| sudden(adjective, fast, quick, abrupt, speedy) |
| galloping(adjective, fast, velocity, hasty, urgent) |
| high-speed(adjective, direct, express, fast, quick) |
| instant(adjective, prompt, fast, precise, quick) |
| accelerated(adjective, direct, express, prompt, hot) |
| fast paced(adjective, speed) |
| headlong(adjective, violent, fast, quick, abrupt) |
| sharp(adjective, keen, intense, energetic, lively) |
| alacritous(adjective, prompt, lively, fast, quick) |
| impetuous(adjective, violent, fast, quick, abrupt) |
| precipitous(adjective, unusual, fast, quick, abrupt) |
| presto(adjective, hot, fast, quick, speedy) |
| mercurial(adjective, sharp, lively, fast, quick) |
| allegro(adjective, fast) |
| cursory(adjective, fast, casual, quick, speedy) |