| indifferent(adjective, dull, weak, concern, easy) |
| apathetic(adjective, dull, weak, easy, slow) |
| unconcerned(adjective, dull, weak, concern, easy) |
| cool(adjective, temper, relaxed, cold, indifferent) |
| aloof(adjective, concern, attitude, temper, relaxed) |
| lukewarm(adjective, temper, cold, indifferent, negative) |
| incurious(adjective, concern, attitude, relaxed, cold) |
| listless(adjective, dull, weak, energy, easy) |
| uncaring(adjective, indifferent, state, feeling, attitude) |
| disinterested(adjective, concern, attitude, temper, cold) |
| nonchalant(adjective, temper, relaxed, cold, indifferent) |
| detached(adjective, concern, attitude, relaxed, indifferent) |
| impassive(adjective, dull, weak, easy, slow) |
| unenthusiastic(adjective, dull, bad, weak, easy) |
| dispassionate(adjective, indifferent, detached, distant, apathetic) |
| insouciant(adjective, relaxed, cold, indifferent, dead) |
| bored(adjective, dull, cool, indifferent, sophisticated) |
| cold(adjective, temper, indifferent, negative, detached) |
| lackadaisical(adjective, dull, weak, easy, slow) |
| phlegmatic(adjective, dull, cool, weak, easy) |