| negligent(adjective, soft, sharp, rude, careless) |
| careless(adjective, soft, casual, thoughtless, unconcerned) |
| neglectful(adjective, soft, sharp, rude, careless) |
| inconsiderate(adjective, sharp, rude, careless, indifferent) |
| remiss(adjective, soft, careless, indifferent, casual) |
| thoughtless(adjective, sharp, slow, rude, careless) |
| unmindful(adjective, soft, sharp, rude, careless) |
| derelict(adjective, soft, slow, careless, indifferent) |
| forgetful(adjective, soft, careless, indifferent, casual) |
| heedless(adjective, sharp, rude, careless, indifferent) |
| inattentive(adjective, sharp, rude, careless, indifferent) |
| oblivious(adjective, soft, casual, tolerant, slack) |
| inadvertent(adjective, careless, indifferent, casual, thoughtless) |
| reckless(adjective, casual, rash, happy-go-lucky, oblivious) |
| unthoughtful(adjective, careful, courtesy, thoughtless) |
| defiant(adjective, disobedient) |
| delinquent(adjective, soft, slow, careless, indifferent) |
| lax(adjective, soft, careless, indifferent, casual) |
| perfunctory(adjective, casual, happy-go-lucky, slapdash, neglectful) |
| slack(adjective, soft, careless, indifferent, tolerant) |