| heartless(adjective, indifferent, detached, distant, apathetic) |
| inadvertent(adjective, careless, indifferent, coarse, apathetic) |
| laggard(adjective, dull, quiet, easy, heavy) |
| low-spirited(bad, sad, unhappy, depressed, forlorn) |
| matter-of-fact(adjective, cold, dead, apathy, passive) |
| miserable(bad, sad, unhappy, depressed, forlorn) |
| nodding(adjective, sleepy) |
| numbed(adjective, unfeeling, numb, insensitive, dazed) |
| out of it(expression, adjective, idiom, quiet, energy) |
| pooped |
| reckless(indifferent, unconcerned, unkind, uncaring, inconsiderate) |
| removed(adjective, careless, indifferent, apathetic, distracted) |
| sapless(adjective, dull, weak, feeble, tasteless) |
| serene(adjective, calm, quiet, cool, moderate) |
| tranquil(adjective, quiet, cool, still, peaceful) |
| trying(adjective, weary) |
| unfeeling(adjective, calm, dull, cool, flat) |
| unsolicitous |
| unthinking(adjective, sharp, rude, careless, indifferent) |
| wan(weak, feeble, lackluster) |