| lukewarm(adjective, temper, cold, negative, indifference) |
| unemotional(adjective, cold, dead, apathy, passive) |
| blase(adjective, informal, relaxed, cold, dead) |
| cold(adjective, temper, negative, indifference, behave) |
| dispassionate |
| half-hearted(adjective, temper, cold, negative, dead) |
| incurious(adjective, cold, dead, apathy, passive) |
| negligent(adjective, cold, dead, apathy, passive) |
| perfunctory(adjective, informal, relaxed, cold, casual) |
| slothful |
| unmoved(adjective, temper, cold, negative, dead) |
| Laodicean(adjective, cold, dead, apathy, passive) |
| halfhearted(adjective, temper, cold, negative, dead) |
| impassible(adjective, temper, cold, negative, aloof) |
| impersonal(adjective, temper, cold, negative, dead) |
| inattentive |
| indolent(adjective, casual, happy-go-lucky, slapdash) |
| inert(adjective, cold, dead, apathy, passive) |
| neutral(adjective, cold, dead, aloof, apathy) |
| non-caring(adjective, cold, dead, aloof, apathy) |