Main entry: encirclement, blockade
Definition: a war measure that isolates some area of importance to the enemy
Main entry: blockade
Definition: prevents access or progress
Main entry: blockade, seal off
Definition: impose a blockade on
Main entry: block off, blockade
Definition: obstruct access to
Main entry: stop, bar, barricade, block, block off, block up, blockade
Definition: render unsuitable for passage
Usage: block the way; barricade the streets; stop the busy road
Main entry: stymie, stymy, hinder, obstruct, embarrass, block, blockade
Definition: hinder or prevent the progress or accomplishment of
Usage: His brother blocked him at every turn