| swarming(verb, full, assemblage, busy, loaded) |
| tough(adjective, person, set, body, strong) |
| unintelligent(adjective, dull, simple, slow, silly) |
| unyielding(adjective, set, strong, hard, tough) |
| bulky(adjective, person, body, big, heavy) |
| crammed(adjective, full, thick, busy, teeming) |
| crass(adjective, coarse, insensitive) |
| dopey(adjective, dull, simple, slang, ability) |
| full(adjective, busy, loaded, teeming, profuse) |
| impassable(adjective, solid, resistant, impervious) |
| impermeable(adjective, set, hard, tough, firm) |
| obscure(adjective, solid, gloomy, gray, complicated) |
| phlegmatic(adjective, dull, slow, stupid, impassive) |
| serried(adjective, assemblage, density) |
| set(verb, adjective, strong, hard, tough) |
| sound(adjective, strong, hard, substantial, compact) |
| stout(adjective, person, body, big, heavy) |
| strong(adjective, person, set, body, hard) |
| torpid(adjective, dull, slow, silly, stupid) |
| weighty(adjective, big, heavy, substantial) |