| perfunctory(adjective, cold, dead, apathy, passive) |
| pococurante(adjective, cold, dead, apathy, passive) |
| soporific(adjective, senseless) |
| stiff(adjective, hard, careless, indifferent, cruel) |
| stockish(adjective, bad, cold, aloof, no feelings) |
| stolid |
| stony(adjective, hard, careless, indifferent, cruel) |
| stupid(adjective, senseless) |
| supine(adjective, cold, dead, apathy, passive) |
| tearless(adjective, bad, cold, aloof, no feelings) |
| thick-witted |
| tough(adjective, hard, careless, indifferent, cruel) |
| toughened(adjective, hard, careless, indifferent, cruel) |
| trance-like(adjective, senseless) |
| unaffected(adjective, hard, careless, indifferent, cruel) |
| unalive(adjective, bad, cold, aloof, no feelings) |
| unanimated |
| unbending(adjective, hard, careless, indifferent, cruel) |
| uncompassionate(adjective, hard, careless, indifferent, cruel) |
| unfelt |