Verb obstruct has 3 senses
  1. obstruct, blockade, block, hinder, stymie, stymy, embarrass - hinder or prevent the progress or accomplishment of; "His brother blocked him at every turn"
    --1 is one way to prevent, forestall, foreclose, preclude, forbid
    Derived forms: noun obstruction4, noun obstructer1, noun obstructor1
    Sample sentences:
    Somebody ----s something
    Something ----s something
  2. obstruct, obturate, impede, occlude, jam, block, close up - block passage through; "obstruct the path"
    --2 is one way to impede, hinder
    Antonyms: free, disengage
    Derived forms: noun obstruction4, noun obstructer2, noun obstructor2
    Sample sentences:
    Somebody ----s something
    Something ----s something
  3. obstruct, block - 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"
    --3 is one way to hide, conceal
    Sample sentence:
    Something ----s something
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