| businesslike(adjective, cold, unfriendly) |
| bystanding(detached, unconcerned, impartial, unbiased, removed) |
| callous(adjective, unfriendly, unemotional, emotionless, taciturn) |
| careless(adjective, unthinking, superficial, dutiful, sketchy) |
| casual(adjective, indifferent, detached, aloof, remote) |
| chill(adjective, cool, detached, blank, sober) |
| chilled |
| chilly |
| cold-fish(adjective, calm, detached, sober, unfeeling) |
| cold blooded(adjective, temper, cold, negative, behave) |
| cold fish(expression, adjective, cool, detached, blank) |
| collected(adjective, calm, indifferent, detached, aloof) |
| composed(adjective, calm, detached, sober, unfeeling) |
| constrained |
| conventionalized |
| cool cat(expression, adjective, calm, cool, detached) |
| cricket(adjective, reasonable, fair, proper, equal) |
| cursory(adjective, cold, useful, fixed, unthinking) |
| dead to all feelings(adjective, cold, dead, apathy, passive) |
| deadpan(adjective, cool, tough, rational, straightforward) |