| impenetrable(adjective, set, hard, tough, solid) |
| intense(adjective, characteristic, strong, severe, harsh) |
| last(noun, end, defeat, conclusion, accomplishment) |
| mingy(adjective, selfish, stingy, miserly, tightfisted) |
| muggy(adjective, moist, warm, hot, stale) |
| obstruct(verb, stop, control, end, cover) |
| oppressive(adjective, moist, severe, warm, harsh) |
| painstaking |
| private(adjective, quiet, obscure, dark, familiar) |
| reserved(adjective, quiet, soft, low, restraint) |
| scrupulous(adjective, feature, correct, slight, honest) |
| sociable(adjective, good, easy, friendly, relaxed) |
| stifling(adjective, moist, open, warm, dark) |
| suffocating(adjective, warm, hot, heat, stale) |
| taciturn(adjective, quiet, soft, low, restraint) |
| warm(adjective, hot, near, temperate, comfortable) |
| period(noun, stop, end, finish, limit) |
| approximate(adjective, exact, apt, similar, similarity) |
| bolt(verb, hold, fix, secure, settle) |
| closemouthed(adjective, quiet, soft, restrained, still) |