1. (military) a war measure that isolates some area of importance to the enemy
   "The blockade of the city cut off supplies to the opposing forces";
   - encirclement
    
2. Deliberate prevention of movement or access by creating a barrier
   "Students created a blockade of the administration building"
    
3. (medicine) deliberate interruption of nerve impulses or blood flow for therapeutic purposes
   "The doctor administered a nerve blockade to reduce pain"

1. Impose a blockade on
   "The navy blockaded the port";
   - seal off
    
2. Hinder or prevent the progress or accomplishment of
   "His brother blockaded him at every turn";
   - obstruct, block, hinder, stymie, stymy [rare], embarrass [archaic]
    
3. Render unsuitable for passage
   "blockade the streets";
   - barricade, block, stop, block off, block up, bar
    
4. Obstruct access to
   "Protesters blockaded the entrance to the building";
   - block off

Derived forms: blockading, blockades, blockaded

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, siege, surround

Encyclopedia: Blockade