| cursory(casual, inattention, happy-go-lucky, slapdash) |
| dizzy(adjective, inattention) |
| ill-advised(careless, stupid, unthinking, obtuse, unperceptive) |
| indifferent(casual, inattention, happy-go-lucky, slapdash) |
| injudicious(careless, stupid, casual, unthinking, obtuse) |
| irrational(careless, stupid, unthinking, obtuse, unperceptive) |
| lumpish |
| negligent(adjective, casual, obtuse, happy-go-lucky, slapdash) |
| offhand(adjective, casual, candid, spontaneous, inattention) |
| rash(adjective, obtuse, unperceptive, unobservant) |
| regardless(careless, stupid, casual, unthinking, inattention) |
| senseless(careless, stupid, unthinking, obtuse, unperceptive) |
| silly(careless, stupid, unthinking, obtuse, unperceptive) |
| unmindful(casual, inattention, obtuse, happy-go-lucky, slapdash) |
| unobservant(careless, stupid, casual, unthinking, inattention) |
| unreasonable(careless, stupid, unthinking, obtuse, unperceptive) |
| witless(careless, stupid, unthinking, obtuse, unperceptive) |
| abrupt |
| absent-minded(careless, stupid, casual, unthinking, obtuse) |
| blind |