| no through road(expression, idiom, impasse, cul-de-sac) |
| nowhere to turn(expression, idiom, impasse, cul-de-sac) |
| oblong(noun, lump, chunk, wedge, slab) |
| observation post(noun, expression) |
| palisade(bar, obstruction, blockade, fence, wall) |
| pause(noun, break, end, block, bar) |
| piece(noun, lump, chunk, wedge, slab) |
| queue(noun, gridlock) |
| railing |
| remora |
| road block(expression, impasse, cul-de-sac) |
| screeching halt(noun, expression, break, end, block) |
| section(noun, lump, chunk, wedge, slab) |
| segment(noun, lump, chunk, wedge, slab) |
| sentry post(noun, expression, barrier) |
| siege(noun, obstruction, stoppage, barrier, blockade) |
| slab(noun, lump, chunk, wedge) |
| slice(noun, lump, chunk, wedge, slab) |
| solid(noun, lump, chunk, wedge, slab) |
| square(noun, lump, chunk, wedge, slab) |