| condensed(adjective, set, hard, tough, solid) |
| fatuous(adjective, stupid) |
| tight(adjective, close, strong, hard, firm) |
| dim-witted(adjective, dull, simple, slow, stupid) |
| packed(adjective, firm, solid, full, stiff) |
| simple(adjective, dull, slow, silly, foolish) |
| crowded(adjective, set, firm, solid, heavy) |
| luxuriant(adjective, big, wild, vigorous, rich) |
| opaque(adjective, dull, set, solid, dark) |
| stiff(adjective, set, strong, hard, tough) |
| substantial(adjective, set, strong, hard, tough) |
| thick-witted(adjective, dull, ability, stupid) |
| thickheaded(adjective, ability) |
| blockheaded(adjective, dull, simple, ability, slow) |
| bovine(adjective, dull, heavy, stupid, vulgar) |
| cloddish(adjective, dull) |
| concentrated(adjective, set, strong, hard, tough) |
| ignorant(adjective, dull, simple, slow, silly) |
| lethargic(adjective, dull, slow, silly, stupid) |
| massive(adjective, person, body, big, heavy) |