block off

definition: to obstruct access to
example: I blocked off the street for a party.
speech part: verb
synonyms: blockade
definition: to block off the passage through
example: The accident blocked off the intersection.
speech part: verb
synonyms: shut off close off
definition: to render unsuitable for passage
example: The cars blocked off the intersection.
speech part: verb
synonyms: blockade

How block off is being used?