| ill-advised(adjective, violent, fast, quick) |
| impatient(adjective, violent, fast, quick) |
| impetuous(adjective, violent, fast, quick) |
| indiscreet(adjective, violent, fast, quick) |
| madcap(adjective, violent, fast, quick) |
| on the spot(expression, adjective, idiom, free, casual) |
| plunging(adjective, violent, fast, quick) |
| precipitant(adjective, violent, fast, quick) |
| quick(adjective, violent, fast) |
| rapid(adjective, violent, fast, quick) |
| rash(adjective, violent, fast, quick) |
| reckless(adjective, violent, fast, quick) |
| refractory(adjective, violent, fast, quick) |
| rushing(adjective, violent, fast, quick) |
| snapper(adjective, free, casual, unrehearsed, improvised) |
| spontaneously(adverb, impromptu, improv, extemporaneously) |
| subitaneous(adjective, violent, fast, quick) |
| swift(adjective, violent, fast, quick) |
| throwaway(adjective, impromptu, extemporaneous) |
| uncontrolled(adjective, violent, fast, quick) |