English · Daily Life
lock up
/lɒk ʌp/
[/lɒk ʌp/]
secure with locks
Beginnerverb
Definition
To close and secure a building or container with locks, especially when leaving.
Example
Don't forget to lock up before you leave.
Don't forget to lock up before you leave.
Etymology
From 'lock' plus 'up', securing fully with a lock.
How & Where It’s Used
Common when securing a home or shop.