1. A war measure that isolates some area of importance to the enemy
   - encirclement 
2. Prevents access or progress

1. Hinder or prevent the progress or accomplishment of
   - obstruct, block, hinder, stymie, stymy, embarrass 
2. Render unsuitable for passage
   - barricade, block, stop, block off, block up, bar 
3. Obstruct access to
   - block off 
4. Impose a blockade on
   - seal off

Derived forms: blockades, blockaded, blockading

Type of: action, beleaguer, besiege, block, circumvent, close up, forbid, foreclose, forestall, hem in, impede, impediment, impedimenta, jam, military action, obstruct, obstructer, obstruction, obstructor, obturate, occlude, preclude, prevent, surround

Encyclopedia: Blockade

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