| iron-willed(adjective, determined, resolute, uncompromising, unshakeable) |
| irresponsive(adjective, bad, cold, aloof, no feelings) |
| jelled(adjective, hard, firm, solid, tense) |
| jellify(verb, set, freeze, jellied, calcify) |
| lapidified |
| lapidify |
| lithify |
| make callous(verb, expression, dull, develop, rough) |
| marble(adjective, bad, cold, aloof, no feelings) |
| marble-hearted(adjective, bad, cold, aloof, no feelings) |
| mean(adjective, hard, tough, harsh, inflexible) |
| mechanical(adjective, hard, firm, solid, tense) |
| monolithic(adjective, set, firm, solid, hardened) |
| mulish(adjective, mean, hard, harsh, inflexible) |
| numb(verb, dull, develop, rough, adjust) |
| numbed(adjective, hard, firm, solid, tense) |
| obstinate(adjective, mean, hard, harsh, inflexible) |
| pachydermal |
| pachydermic |
| paralyze(verb, dull, develop, rough, adjust) |