| strangulation |
| stumbling block(noun, expression, block, draw, catch) |
| ballgame(noun, closure, windup, omega, winding-up) |
| barrier blockage(noun, expression, block, hindrance, obstruction) |
| blocking object(noun, expression, obstruction, blockade) |
| bound |
| boundary |
| break-off(noun, closure, windup, omega, winding-up) |
| breakoff(noun, closure, windup, omega, winding-up) |
| brick(noun, lump, chunk, wedge, slab) |
| bulwark(noun, obstruction, blockade) |
| cake(noun, lump, chunk, wedge, slab) |
| chunk(noun, lump, wedge, slab) |
| closed-off passage(noun, expression, impasse, tangent) |
| confines(noun, limit, boundary, blockade, fence) |
| cordon(obstruction, barrier, blockade, barricade) |
| corner(noun, draw, stalemate, impasse, cul-de-sac) |
| cube(noun, lump, chunk, wedge, slab) |
| cul-de-sac deadlock(noun, expression, draw, stalemate, impasse) |
| curtain |