English to English

verb (v)

• obstruct access to(verb.competition)

  Synonym:
  blockade
  

  source: wordnet30
• render unsuitable for passage(verb.contact)

  Synonym:
  bar, barricade, block, block up, blockade, stop
  

  source: wordnet30
• block off the passage through(verb.contact)

  Synonym:
  close off, shut off
  

  source: wordnet30