| brash(careless, foolish, thoughtless, rash, irresponsible) |
| foolhardy(careless, foolish, thoughtless, rash, irresponsible) |
| heedless(careless, foolish, thoughtless, rash, irresponsible) |
| ill-advised(careless, foolish, thoughtless, rash, irresponsible) |
| ill-considered(careless, foolish, thoughtless, rash, irresponsible) |
| ill-judged(careless, foolish, thoughtless, rash, irresponsible) |
| impolitic(careless, foolish, thoughtless, rash, irresponsible) |
| improvident(careless, foolish, thoughtless, rash, irresponsible) |
| imprudent(adjective, foolish, rash, irresponsible) |
| incautious(careless, foolish, thoughtless, rash, irresponsible) |
| inconsiderate(careless, foolish, thoughtless, rash, irresponsible) |
| indiscreet(careless, foolish, thoughtless, rash, irresponsible) |
| inexpedient(careless, foolish, thoughtless, rash, irresponsible) |
| injudicious(careless, foolish, thoughtless, rash, irresponsible) |
| irresponsible(careless, foolish, thoughtless, rash) |
| off the deep end(expression, careless, foolish, thoughtless, rash) |
| overhasty(careless, foolish, thoughtless, rash, irresponsible) |
| playing with fire(expression, careless, foolish, thoughtless, rash) |
| reckless(careless, foolish, thoughtless, rash, irresponsible) |
| temerarious(careless, foolish, thoughtless, rash, irresponsible) |