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Definition lockdown in British English

lockdown noun

[countable/uncountable] noun
/ˈlɒkˌdaʊn/
1

an occasion or time when prisoners are locked in their cells

Example

The governor ordered a lockdown of all state prisons.

Example

Maximum security involves being on 23-hour lockdown with absolutely nothing to do.

Synonyms and related words
2

an occasion or time when access to a place is restricted because of some danger

Example

Authorities lifted the lockdown after searching all four schools and deeming them safe.

Example

The US Capitol and the White House were placed on lockdown after an 'active shooter' situation was reported.

Synonyms and related words
Definition lockdown in British English