Verb
block off the passage through
isolate or separate
stem the flow of
Source: WordNetIn life, when stuff happens the instinct is to close off your heart. By leaving your heart open, it leaves room for someone else to come in. Jane Seymour
Scepticism is a necessary and vital part of the journalist's toolkit. But when scepticism becomes cynicism it can close off thought and block the search for truth. Jeremy Paxman
We shut off the valve Source: Internet
She was shut off from the friends Source: Internet
shut off the gas when you leave for a vacation Source: Internet
Above: The former staircase connected all three floors, but Celia and Rodolphe opted to close off access to the garden floor and create two separate units. Source: Internet