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to block off
[phrase form: block]
01
to prevent entry or access by placing a barrier
Examples
The construction crew blocked the road off for repairs.
Please block off the entrance with caution tape.
02
to become closed or restricted
Examples
The floodwaters quickly blocked off the entire neighborhood.
An accident on the highway blocked off traffic for hours.
03
to prevent or interrupt communication completely
Examples
The manager decided to block the complainer off from further emails.
The school 's IT department blocked off inappropriate websites on the computers.
04
to reserve a specific time, space, or item for a particular purpose
Examples
She decided to block the weekend off for a much-needed getaway.
They needed to block off the conference room for the client presentation.
