| unemotional(adjective, cool, detached, blank, aloof) |
| unexcitable(adjective, cool, detached, blank, aloof) |
| unfeeling(adjective, cool, detached, blank, aloof) |
| unflappable(adjective, cool, blank, aloof, unemotional) |
| unimpressible(adjective, cool, blank, aloof, unemotional) |
| unmeaning |
| unresponsive(adjective, detached, impassive, dispassionate, undemonstrative) |
| unruffled(adjective, cool, blank, aloof, unemotional) |
| unutterable |
| vacuous(adjective, dull, indifferent, dead, blank) |
| along for the ride(expression, adjective, idiom, detached, impassive) |
| aloof(adjective, cool, blank, unemotional, serene) |
| bare |
| blah(adjective, detached, impassive, unresponsive, dispassionate) |
| bleak |
| catatonic |
| chill(adjective, detached, impassive, unresponsive, dispassionate) |
| coldblooded(placid, stolid) |
| coldhearted(adjective, detached, impassive, unresponsive, dispassionate) |
| dead(adjective, dull, impassive, unresponsive, deadpan) |