| concentrated(verb, adjective, strong, hard) |
| compact(adjective, close, strong, hard) |
| solid(adjective, close, hard, firm) |
| compacted(verb, adjective, strong, hard) |
| compressed(adjective, firm, solid, heavy) |
| firm(adjective, close, hard, solid) |
| solidified(verb, adjective, firm, solid) |
| close(adjective, hard, solid, heavy) |
| condensed(verb, adjective, solid, heavy) |
| dense(adjective, strong, hard, firm) |
| packed(adjective, close, strong, hard) |
| concrete(adjective, hard, firm, solid) |
| cemented(adjective, firm, solid, hardened) |
| coagulated(verb, adjective, solid, heavy) |
| congealed(verb, adjective, firm, solid) |
| crowded(adjective, close, solid, heavy) |
| hard(adjective, strong, firm, deep) |
| heavy(adjective, hard, solid, deep) |
| impenetrable(adjective, close, firm, solid) |
| caked(adjective, firm, solid, heavy) |