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Verb: obstruct  ub'strúkt
  1. Hinder or prevent the progress or accomplishment of
    "His brother obstructed him at every turn";
    - blockade, block, hinder, stymie, stymy [rare], embarrass
  2. Block passage through
    "obstruct the path";
    - obturate, impede, occlude, jam, block, close up
  3. Shut out from view or get in the way so as to hide from sight
    "The trees obstruct my view of the mountains";
    - block

Derived forms: obstructed, obstructing, obstructs

Type of: conceal, entrammel [literary], fetter [literary], forbid, foreclose, forestall, hide, hinder, impede, preclude, prevent, trammel [literary]

Encyclopedia: Obstruct