| fast(adjective, adverb, quick, rapid, speedy) |
| as fast as a rabbit(expression, fast, quick, rapid, soon) |
| immediate(adjective, fast, quick, rapid, speedy) |
| straightaway(adjective, fast, quick, rapid, soon) |
| nearest(adjective, fast, quick, rapid, soon) |
| quick(adjective, rapid, speedy, brisk, hasty) |
| rapid(adjective, quick, speedy, brisk, hasty) |
| speedy(adjective, quick, rapid, brisk, hasty) |
| as fast as a hare(expression, fast, quick, rapid, soon) |
| prompt(adjective, fast, quick, rapid, speedy) |
| active(adjective, fast, quick, rapid, speedy) |
| firm(adjective, quick, rapid, speedy, brisk) |
| impulsive(adjective, fast, quick, rapid, soon) |
| instant(adjective, fast, quick, rapid, speedy) |
| lively(adjective, fast, quick, rapid, speedy) |
| next(adjective, fast, quick, rapid, soon) |
| contemporaneous(adjective, fast, quick, rapid, soon) |
| hasty(adjective, fast, quick, rapid, speedy) |
| precipitate(adjective, fast, quick, rapid, soon) |
| proximate(adjective, fast, quick, rapid, speedy) |