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Definition lock up in British English

lock up phrasal verb

phrasal verb
1

to lock all the doors and windows of a building so that no one can get in

Example

I locked up and went to bed.

Example

The last person to leave locks up the shop.

Synonyms and related words
Example

The documents were locked up.

Example

He was locked up for 12 years for armed robbery.

4

to invest your money in something, so that it is not available for you to spend

Example

There are vast sums of money locked up in pension funds.

Synonyms and related words
Definition lock up in British English