| catch(noun, difficulty, restraint, trap, hindrance) |
| charge(noun, bomb, mine, powder, tripwire) |
| collar(noun, capture, apprehension, seizure, imprisonment) |
| commitment(noun, capture, apprehension, seizure, imprisonment) |
| confinement(noun, capture, apprehension, seizure, imprisonment) |
| constraint(noun, restraint, capture, hindrance, apprehension) |
| Molotov cocktail(noun, expression, mine, tripwire) |
| acoustic mine(noun, expression, mine) |
| action |
| angle |
| antipersonnel mine(noun, expression, mine) |
| atom bomb(noun, expression, mine, tripwire) |
| bar(noun, block, difficulty, restraint, hindrance) |
| barricade(noun, block, obstacle, impediment, barrier) |
| barrier(noun, block, difficulty, restraint, hindrance) |
| bit |
| block(noun, difficulty, restraint, hindrance, problem) |
| blockade(noun, block, obstacle, impediment, barrier) |
| blockage(noun, block, obstacle, impediment, barrier) |
| blocking(obstacle, impediment, barrier) |