obstruct

verbs

hinder or prevent the progress or accomplishment of

"His brother blocked him at every turn"

block, blockade, embarrass, hinder, obstruct, stymie, stymy

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block passage through

"obstruct the path"

block, close up, impede, jam, obstruct, obturate, occlude

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antonym

shut out from view or get in the way so as to hide from sight

"The thick curtain blocked the action on the stage"; "The trees obstruct my view of the mountains"

block, obstruct