block off
Verb
Meaning
obstruct access to
render unsuitable for passage
block off the passage through
Source: WordNetSynonyms
Antonyms
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Examples
To do theater you need to block off a hunk of time.
What did you expect? I don't know why we're so surprised. When you put your foot on a man's neck and hold him down for three hundred years, and then you let him up, what's he going to do? He's going to knock your block off.
We tend to block off many of our senses when we're staring at a screen. Nature time can literally bring us to our senses.
block the way
barricade the streets
stop the busy road