| dashing(adjective, strong, hot, fast, irritable) |
| impetuous(adjective, fast, quick, abrupt, swift) |
| passing(adjective, casual, quick, hasty, superficial) |
| quickly(adjective, adverb) |
| sharp(adjective, irritable, quick, flexible, bad-tempered) |
| slapdash(adjective, casual, quick, hasty, swift) |
| smart(adjective, lively, vigorous, precise, irritable) |
| urgent(adjective, direct, quick, hasty, instant) |
| zippy(adjective, energetic, urgent) |
| breathless(adjective, hasty, urgent) |
| feverish(adjective, hasty) |
| flashing(adjective, hot, quick, rapid, immediate) |
| fleet-footed(adjective, summary, abrupt, unexpected, instant) |
| high-speed(adjective, direct, express, fast, quick) |
| hot(adjective, quick, rapid, urgent) |
| impatient(adjective, fast, irritable, quick, hasty) |
| lightning |
| mercurial(fast, quick, velocity, brisk, hasty) |
| presto(adjective, hot, fast, quick, rapid) |
| running(adjective, hasty) |