This page is about the phrasal verb lock up
Meaning: to lock the doors and windows of a building or a car to make it secureSynonym: secure
- lock up sth Don't forget to lock up the office when you leave tonight, Charles.
- lock sth up My car wouldn't have been stolen if I had locked it up properly.
If you are going out for lunch, make sure you lock up
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Contributor: Matt Errey