| godsend(shock, disappointment, wonder, revelation, quickness) |
| gone off half-cocked(expression, idiom, violent, fast, quick) |
| haphazard(adjective, lucky, liable, unplanned, dependent) |
| happening unexpectedly(expression, idiom, unintentional, unintended) |
| harum-scarum(violent, fast, quick) |
| heedless(violent, fast, quick) |
| hurried(violent, fast, quick, abrupt, hasty) |
| iffy |
| ill-advised(violent, fast, quick) |
| immediate |
| impatient(violent, fast, quick) |
| impromptu(chance, quick, abrupt, rapid, hasty) |
| incredulity(shock, disappointment, wonder, revelation, quickness) |
| indeterminate |
| involuntary(unplanned, accidental, inadvertent) |
| jolt(noun, shock, disappointment, wonder, revelation) |
| jump the gun(expression, idiom, violent, fast, quick) |
| kick(shock, rapidity, revelation, quickness, disclosure) |
| marvel(shock, disappointment, wonder, revelation, quickness) |
| miracle(shock, disappointment, wonder, revelation, quickness) |