1. the action of sealing off a place to prevent goods or people from entering or leaving
Usage: often military or political
2. an obstruction that makes movement or progress difficult

1. to seal off a place with barriers or troops

Examples

• The naval blockade prevented supplies from reaching the port.
• Enemy forces established a blockade around the city.
• The fallen tree created a blockade on the mountain road.
• Protesters formed a human blockade at the entrance.
• The army decided to blockade the rebel stronghold.
• Ships were sent to blockade the enemy coastline.
• Police had to blockade several streets during the parade.