"blockades" in the noun sense
1. blockade, encirclement
a war measure that isolates some area of importance to the enemy
2. blockade
prevents access or progress
"blockades" in the verb sense
1. obstruct, blockade, block, hinder, stymie, stymy, embarrass
hinder or prevent the progress or accomplishment of
"His brother blocked him at every turn"
2. barricade, block, blockade, stop, block off, block up, bar
render unsuitable for passage
"block the way"
"barricade the streets"
"stop the busy road"
3. blockade, block off
obstruct access to
4. blockade, seal off
impose a blockade on
Source: WordNet® (An amazing lexical database of English)
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