| stoic(adjective, impassive, laid-back, dispassionate, emotionless) |
| acquiesce(verb, observe, quit, submit, satisfy) |
| along for the ride(expression, adjective, idiom, detached, impassive) |
| apathetic(adjective, detached, impassive, unresponsive, reticent) |
| blah(adjective, detached, impassive, unresponsive, laid-back) |
| callous(adjective, detached, impassive, unresponsive, laid-back) |
| chill(adjective, detached, impassive, unresponsive, insensitive) |
| cold(adjective, detached, impassive, unresponsive, laid-back) |
| coldhearted(adjective, detached, impassive, unresponsive, insensitive) |
| cool(verb, adjective, dull, diminish, slow) |
| deadpan(adjective, detached, impassive, unresponsive, laid-back) |
| emotionless(adjective, detached, impassive, unresponsive, laid-back) |
| flat(adjective, detached, impassive, unresponsive, laid-back) |
| frigid(adjective, detached, impassive, unresponsive, laid-back) |
| glacial(adjective, detached, impassive, unresponsive, insensitive) |
| hard-boiled(adjective, detached, impassive, unresponsive, insensitive) |
| hard-hearted(adjective, detached, impassive, unresponsive, insensitive) |
| heartless(adjective, detached, impassive, unresponsive, laid-back) |
| insensitive(adjective, detached, impassive, unresponsive, laid-back) |
| laid-back(adjective, detached, impassive, unresponsive, reticent) |