| noun | a war measure that isolates some area of importance to the enemy |
| noun | prevents access or progress |
| verb | hinder or prevent the progress or accomplishment of “His brother blocked him at every turn” |
| verb | render unsuitable for passage “block the way” |
| verb | obstruct access to |
| verb | impose a blockade on |
| blockade | verb | impose a blockade on |
| encircle | verb | form a circle around |
| obstruction | noun | the act of obstructing |
| obstructer | noun | someone who systematically obstructs some action that others want to take |
| obstructor | noun | someone who systematically obstructs some action that others want to take |
| blockage | noun | the physical condition of blocking or filling a passage with an obstruction |
| hindrance | noun | something immaterial that interferes with or delays action or progress |
| stymie | noun | a thwarting and distressing situation |
| barricade | noun | a barrier set up by police to stop traffic on a street or road in order to catch a fugitive or inspect traffic etc. |
| blocking | noun | the act of obstructing or deflecting someone's movements |
| blockade | noun | prevents access or progress |
| stop | noun | a restraint that checks the motion of something |
| stopper | noun | blockage consisting of an object designed to fill a hole tightly |
| bar | noun | an obstruction (usually metal) placed at the top of a goal |