| impassive(adjective, dull, weak, easy, slow) |
| in blue funk(expression, adjective, idiom, sad, gloomy) |
| inactive(adjective, dull, quiet, weak, easy) |
| inconscient(adjective, careless, remote, vague, distracted) |
| indolent(adjective, careless, relaxed, indifferent, weary) |
| inobservant |
| insensible(adjective, indifferent, unconcerned, vague, uncaring) |
| intent(adjective, anxious, distant, distracted, absorbed) |
| introvertive(adjective, gentle, marvelous, dreamy) |
| lachrymose(adjective, sad, gloomy, miserable, down) |
| laggard(adjective, dull, heavy, stupid, idle) |
| latent(adjective, quiet, flat, indifferent, apathetic) |
| lax(adjective, careless, relaxed, apathetic, sloppy) |
| lazy(adjective, dull, weak, easy, slow) |
| lifeless(adjective, quiet, indifferent, weary, apathetic) |
| like an absent-minded professor(expression, adjective, idiom, careless, sloppy) |
| listless(adjective, dull, weak, easy, slow) |
| long-suffering(adjective, quiet, flat, indifferent, apathetic) |
| looking out window(expression, adjective, idiom, careless, sloppy) |
| lost(adjective, careless, remote, vague, distracted) |