| furious(careless, thoughtless, impulsive, reckless, hasty) |
| half-cocked |
| harebrained(careless, thoughtless, impulsive, reckless, hasty) |
| headstrong(careless, thoughtless, impulsive, reckless, hasty) |
| heedless(careless, foolish, thoughtless, impulsive, rash) |
| helter-skelter |
| hotheaded(careless, foolish, thoughtless, impulsive, unwise) |
| huffy |
| hurried |
| ill-judged(careless, foolish, thoughtless, rash, unwise) |
| immature(careless, thoughtless, impulsive, reckless, hasty) |
| impatient |
| impolitic(careless, foolish, thoughtless, rash, unwise) |
| improvident(careless, foolish, thoughtless, rash, irresponsible) |
| inappropriate(foolish, thoughtless, unwise, risky, imprudent) |
| incautious(careless, foolish, thoughtless, impulsive, rash) |
| inconsiderate(careless, foolish, thoughtless, rash, unwise) |
| indiscreet(careless, foolish, thoughtless, impulsive, rash) |
| inexpedient(careless, foolish, thoughtless, rash, unwise) |
| injudicious(careless, foolish, thoughtless, impulsive, rash) |