| arthritic(adjective, hard, firm, solid, stiff) |
| buckram(adjective, hard, firm, solid, stiff) |
| creaky(adjective, hard, firm, solid, stiff) |
| steely(adjective, hard, firm, solid, stiff) |
| stiff as a board(expression, idiom, firm, solid, stiff) |
| unflexible(adjective, hard, firm, solid, stiff) |
| annealed(adjective, hard, firm, solid, tense) |
| benumbed(adjective, hard, firm, solid, tense) |
| brittle(adjective, hard, firm, solid, tense) |
| cemented(adjective, hard, firm, solid, tense) |
| chilled(adjective, hard, firm, solid, tense) |
| congealed(adjective, hard, firm, solid, tense) |
| contracted(adjective, hard, firm, solid, tense) |
| firm(adjective, hard, solid, stiff, rigid) |
| fixed(adjective, hard, firm, solid, stiff) |
| frozen(adjective, hard, firm, solid, tense) |
| graceless(adjective, hard, firm, solid, tense) |
| hard(adjective, firm, solid, stiff, rigid) |
| hardened(adjective, hard, firm, solid, stiff) |
| immalleable(adjective, hard, firm, solid, stiff) |