| along for the ride(expression, adjective, idiom, detached, impassive) |
| anesthetized(adjective, hard, tough, severe, cruel) |
| apart(adjective, indifferent, detached, distant, remote) |
| assured(adjective, calm, cool, steady, tranquil) |
| austere(adjective, tough, harsh, cruel, detached) |
| bad-to-the-bone |
| blah(adjective, detached, impassive, unresponsive, laid-back) |
| blank(adjective, cool, detached, sober, unfeeling) |
| blind to(expression, adjective, hard, careless, indifferent) |
| boneheaded |
| brutal(adjective, hard, tough, severe, harsh) |
| bullhead(adjective, mean, hard, tough, harsh) |
| calloused |
| calm(adjective, cool, restrained, steady, detached) |
| cantankerous(adjective, hard, tough, severe, cruel) |
| careless(adjective, hard, indifferent, cruel, apathetic) |
| casual(adjective, calm, indifferent, restrained, detached) |
| chill(adjective, cool, detached, blank, sober) |
| churlish(adjective, hard, tough, severe, cruel) |
| complacent(adjective, calm, cool, steady, tranquil) |