locks, locked, locking

to lock up
phrasal verb

Secure a building or place by locking all doors and windows
  • 1Before leaving, make sure to lock up the house.
  • 2They always lock up the office at night.
Lock up means to make sure all doors and windows are closed and locked to keep a building or place safe. It is important to lock up when leaving to prevent anyone from getting inside without permission.
Card
Remember to double-check all doors and windows before leaving to lock up. It's easy to forget one, so take your time and ensure everything is secure.
at the car cleaning service
End of Day Routine
Amanda
Joseph, it's almost closing time. Can you start locking up the place?
Joseph
Sure, I'll make sure all the doors and windows are secure.
Amanda
Great, I'll finish up the paperwork while you do that.
Joseph
Sounds good. I'll be done in a few minutes.
Show More…
Similar to "to lock up":
  • 1secure
  • 2fasten