| adjust(verb, dull, develop, rough, scratch) |
| annealed(adjective, hard, firm, solid, tense) |
| arthritic(adjective, hard, firm, solid, stiff) |
| as cold as charity(adjective, bad, cold, aloof, no feelings) |
| backed |
| benumbed(adjective, hard, firm, solid, tense) |
| blunt(verb, dull, develop, rough, adjust) |
| brassbound(adjective, determined, resolute, uncompromising, unshakeable) |
| brittle(adjective, hard, firm, solid, tense) |
| brutal |
| brute(adjective, bad, cold, aloof, no feelings) |
| buckram(adjective, hard, firm, solid, stiff) |
| bullhead(adjective, mean, hard, tough, harsh) |
| caked(verb, adjective, set, firm, solid) |
| caking(verb, jellied, gel, calcify, thicken) |
| callus(verb, dull, develop, rough, adjust) |
| case-harden(verb, dull, develop, rough, adjust) |
| case harden |
| casehardened(verb, dull, develop, blunt, jellied) |
| casehardening(verb, dull, develop, blunt, jellied) |