| unglued(adjective, wild, silly, foolish, mad) |
| unmindful(adjective, careless, indifferent, unconcerned, remote) |
| unobservant(adjective, careless, indifferent, apathetic, unconcerned) |
| unscrewed(unstable, disturbed, distracted, disorganized, perturbed) |
| unthinking(adjective, dull, careless, indifferent, apathetic) |
| unwitting(adjective, careless, unconcerned, sloppy, slack) |
| unzipped(silly, foolish, mad, insane, distracted) |
| wacky(adjective, silly, foolish, crazy, mad) |
| woolgathering(adjective, careless, remote, vague, sloppy) |
| abashed(distracted, dazed, disorganized, perturbed, perplexed) |
| absentminded(adjective, careless, indifferent, apathetic, unconcerned) |
| absorbed(careless, remote, distracted, heedless, scatterbrained) |
| addled(distracted, untidy, dazed, disorganized, perturbed) |
| addlepated(frantic, untidy, hacked, worked-up, uncombed) |
| amateur(inadequate, useless, inept, unable, unskilled) |
| amateurish(inadequate, useless, inept, unable, unskilled) |
| amnemonic(adjective, careless, vague, sloppy, slack) |
| amnesic(adjective, careless, unconcerned, sloppy, slack) |
| apathetic(adjective, careless, indifferent, distracted, negligent) |
| ape(silly, foolish, crazy, mad, insane) |