| casehardened(adjective, hard, unfeeling, unsympathetic, callous) |
| chilly(adjective, person, feelings, emotions, rocky) |
| coldblooded(adjective, cruel, heartless, callous, disciplined) |
| coldhearted(adjective, hard, indifferent, unfeeling, unsympathetic) |
| compacted(verb, adjective, set, strong, hard) |
| compassionless(adjective, hard, attitude, cruel, unfeeling) |
| compressed(verb, adjective, set, strong, hard) |
| condensed(adjective, hard, tough, solid, rigid) |
| confirmed |
| cynical(adjective, hard, unfeeling, unsympathetic, stubborn) |
| dispassionate(adjective, cool, cold, indifferent, cruel) |
| dogged(adjective, determined, fixed, resolute, stubborn) |
| dry(adjective, cool, blank, aloof, unemotional) |
| dyed-in-the-wool(adjective, exemplary) |
| energized(verb, strengthened) |
| expressionless(adjective, person, feelings, blank, unemotional) |
| familiarized |
| fit(verb, strong, healthy, well, robust) |
| fixed(adjective, set, hard, complete, firm) |
| frigid(rocky, pebbly, flinty) |