| hurried(adjective, violent, fast, quick, sudden) |
| hurriedly(adverb, quick, rapidly, soon, swiftly) |
| impetuous(adjective, violent, fast, quick, sudden) |
| impulsive(adjective, extraordinary, wonderful, shocking, astonishing) |
| in haste(expression, soon, swiftly, snappily, posthaste) |
| like a flash(expression, idiom, soon, swiftly, snappily) |
| of a sudden(expression, idiom, adverb) |
| on short notice(expression, idiom, soon, swiftly, snappily) |
| plunk |
| precipitously |
| quick(adjective, adverb, violent, fast, sudden) |
| rapid(adjective, violent, fast, quick, sudden) |
| rash(adjective, violent, fast, quick, sudden) |
| reckless(adjective, violent, fast, quick, sudden) |
| rushing(adjective, violent, fast, quick, sudden) |
| sharp(adjective, sudden) |
| summarily |
| swift(adjective, adverb, violent, fast, quick) |
| unannounced |
| unanticipated(adjective, violent, fast, quick, shocking) |