| absorbed(adjective, careless, unconcerned, remote, vague) |
| clumsy(adjective, neglectful) |
| cursory(adjective, careless, indifferent, casual, thoughtless) |
| deaf(adjective, indifferent, unconcerned, unsympathetic, ignorant) |
| easygoing(soft, tolerant, slack, lenient, remiss) |
| foolish(adjective, silly, senseless, unnecessary, pointless) |
| free and easy(expression, idiom) |
| idle(adjective, distracted, scatterbrained) |
| imprudent(casual, happy-go-lucky, slapdash) |
| in the clouds(expression, adjective, idiom) |
| incautious(adjective, casual, happy-go-lucky, slapdash) |
| inclined to forget(expression, idiom) |
| indifferent(adjective, soft, careless, casual, thoughtless) |
| indolent(adjective, slow, careless, indifferent, casual) |
| insouciant(adjective, indifferent, unsympathetic, inattentive, uninterested) |
| pipe dreaming(expression, adjective, careless, remote, remember) |
| rash(adjective, silly, foolish, senseless, unnecessary) |
| senseless(adjective, silly, foolish, unknowing, unnecessary) |
| shoddy(adjective, neglectful) |
| silly(adjective, foolish, vague, senseless, unnecessary) |