| hustling(verb, hastening) |
| impetuous(adjective, violent, fast, quick, thinking) |
| plunging(verb, violent, fast, quick, running) |
| quick(adjective, violent, fast, abrupt, hasty) |
| quickening(verb, adjective, sudden, acceleration, hurrying) |
| rapid(adjective, violent, fast, quick, effective) |
| speeding(verb, speeding, hastening) |
| sudden(adjective, violent, fierce, quick, ardent) |
| swift(adjective, violent, fast, quick, abrupt) |
| fleet(adjective, fast, hasty) |
| hurry |
| out of the blue(adjective, sudden) |
| pelting(verb, adjective, hasty) |
| precipitant(adjective, violent, fast, fierce, quick) |
| precipitous(adjective, violent, fierce, quick, ardent) |
| pushing(verb, moving, active, effective, running) |
| accelerating(verb, hastening) |
| bolting |
| bounding(verb, running) |
| brisk(adjective, hasty, sudden) |