Definitions

1. 1.blockade (blocking of access to something)
2. 2.blockade (form of formal isolation of something, especially with the force of law or arms)
3. 3.lockdown, roadblock (something that blocks or obstructs a road, sometimes as a form of protest)
4. 4.lock, block (form of security)
5. 5.wheel clamp, car boot
6. 6.blocker, blocking agent
7. 7.blockage (strong blocking of emotions)