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1. Hinder or prevent the progress or accomplishment of
   "His brother obstructed him at every turn"
   - blockade, block, hinder, stymie, stymy, 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: obstructs, obstructed, obstructing

See also: obstructer, obstruction, obstructive

Type of: conceal, forbid, foreclose, forestall, hide, hinder, impede, preclude, prevent

Antonym: free

Encyclopedia: Obstruct