| early |
| fiery(adjective, careless, thoughtless, impulsive, rash) |
| frenzied(adjective, careless, thoughtless, impulsive, rash) |
| headstrong(adjective, careless, thoughtless, impulsive, rash) |
| heedless(adjective, violent, careless, fast, quick) |
| immature(adjective, careless, quick, thoughtless, impulsive) |
| improvident(adjective, careful, rash) |
| imprudent(adjective, careless, thoughtless, impulsive, rash) |
| instant(adjective, instantaneity) |
| instantaneous(adjective, instantaneity) |
| irrational(adjective, careless, thoughtless, impulsive, rash) |
| momentary(adjective, instantaneity) |
| passionate(adjective, violent, careless, fierce, ardent) |
| premature(adjective, careless, quick, thoughtless, impulsive) |
| rapid(violent, fast, quick, abrupt, hasty) |
| swift(violent, fast, fierce, quick, ardent) |
| temerarious(adjective, careful, rash) |
| thoughtless(adjective, careless, impulsive, rash, reckless) |
| accident-prone |
| accident prone |