| cannibalistic(adjective, animal, malicious) |
| cantankerous(adjective, senseless, numb) |
| card-carrying(deliberate, witting, prearranged) |
| careful(adjective, thoughtful, cautious, prudent, intentional) |
| careless(adjective, apathetic, unsympathetic, insensitive) |
| case-hardened(adjective, careless, apathetic, unsympathetic, insensitive) |
| casehardened(adjective, callous, disciplined, unexcitable, grooved) |
| cautious(adjective, careful, thoughtful, prudent, intentional) |
| chill(adjective, flat, deadpan) |
| chilly(adjective, response) |
| churlish(adjective, senseless, numb) |
| cold-fish(adjective, detached, sober, abstract, impartial) |
| cold-hearted(adjective, hard, unfeeling, heartless, merciless) |
| cold fish(expression, adjective, flat, unfeeling, hard-hearted) |
| cold turkey(expression, adjective, straight, unfriendly, bureaucratic) |
| collected(adjective, detached, sober, abstract, impartial) |
| colorless(adjective, straight, unfriendly) |
| composed(adjective, detached, sober, abstract, impartial) |
| condign(deliberate, witting, prearranged) |
| conscious(adjective, careful, thoughtful, cautious, prudent) |