| uncontrollable(adjective, involuntary) |
| unheedful(adjective, careless, indifferent, unconcerned, sloppy) |
| venturesome(adjective, careless, thoughtless, impulsive, reckless) |
| absurd(adjective, careless, foolish, stupid, unreasonable) |
| adventurous(adjective, careless, thoughtless, impulsive, reckless) |
| apathetic(adjective, sharp, rude, careless, indifferent) |
| arbitrary(careless, casual) |
| blithe |
| capricious |
| casual(adjective, careless, indifferent, thoughtless, unconcerned) |
| chance(adjective, careless, casual, unknowing, unaware) |
| diverted(adjective, careless, indifferent, apathetic, distracted) |
| dull(adjective, careless, stupid, unintelligent, obtuse) |
| easygoing |
| forced(unwilling, obligatory, compulsory) |
| hotheaded(adjective, careless, bold, thoughtless, impulsive) |
| hurried(adjective, violent, fierce, ardent, impulsive) |
| ignorant(slight, trivial, unknowing, unaware, superficial) |
| indolent(adjective, casual, happy-go-lucky, slapdash) |
| inept(careless, stupid, thoughtless, insensitive, obtuse) |