Verb block off has 3 senses
  1. blockade, block off - obstruct access to
    --1 is one way to obstruct, obturate, impede, occlude, jam, block, close up
    Sample sentence:
    Somebody ----s something
  2. barricade, block, blockade, stop, block off, block up, bar - render unsuitable for passage; "block the way"; "barricade the streets"; "stop the busy road"
    --2 is one way to obstruct, obturate, impede, occlude, jam, block, close up
    Sample sentences:
    Somebody ----s something
    Something ----s something
  3. shut off, block off, close off - block off the passage through
    --3 is one way to barricade, block, blockade, stop, block off, block up, bar
    Sample sentence:
    Somebody ----s something
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