Block off and Lock up

Block off verb - To disallow entry into (a place) by means of a physical barrier at the entry point.

Lock up and block off are semantically related in enclose topic. In some cases you can use "Lock up" instead a verb "Block off", when it comes to topics like surround.

Lock up verb - To put in or as if in prison.

Block off and lock up are semantically related in enclose topic. Sometimes you can use "Block off" instead a verb "Lock up", if it concerns topics such as surround.