| negligent(noun, adjective, calm, cool, soft) |
| remiss(noun, adjective, dull, soft, neglect) |
| inattentive(noun, adjective, dull, sharp, rude) |
| careless(noun, adjective, calm, dull, cool) |
| heedless(noun, adjective, sharp, neglect, rude) |
| thoughtless(adjective, sharp, neglect, rude, careless) |
| unmindful(noun, adjective, soft, sharp, neglect) |
| forgetful(adjective, soft, careless, cold, silly) |
| derelict(adjective, soft, careless, indifferent, careful) |
| regardless(adjective, adverb, soft, careless, cold) |
| delinquent(adjective, soft, careless, indifferent, failing) |
| inadvertent(adjective, careless, cold, forget, rash) |
| slack(noun, adjective, dull, soft, slow) |
| lax(adjective, soft, slow, careless, indifferent) |
| disregardful(adjective, soft, sharp, rude, careless) |
| inconsiderate(adjective, sharp, rude, careless, cold) |
| perfunctory(adjective, neglect, cold, forget, uncaring) |
| oblivious(noun, adjective, soft, careless, indifferent) |
| reckless(adjective, careless, indifferent, thoughtless, unconcerned) |
| unobservant(noun, adjective, careless, cold, indifferent) |