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Lock down or lockdown?

lock down is a noun meaning “Alternative form of lockdown”; lockdown is a noun meaning “The confinement of people in their own rooms (e.g., in a school) or cells (in a…”. lock down is written as two words and lockdown as one word; they are used differently.

lock downorlockdown

What is the difference between lock down and lockdown?

lock downlockdown
Part of speechnoun, verbnoun
Meaning

To secure (something)

To blockade and lock (e.g. a building or campus) so as to prevent ingress or egress; to make the occupants (of an area) stay locked indoors for their safety

The confinement of people in their own rooms (e.g., in a school) or cells (in a prison), or to their own homes or areas (e.g., in the case of a city- or…

USA contrivance to fasten logs together in rafting

ExamplePolice have the area locked down until the situation is all-clearThe rafts were made up of strings of logs about seventeen feet wide, held together by poles across them. Each log was pinned to the poles…
Formslock-downslockdowns
Pronunciationnot recorded/ˈlɒkˌdaʊn/ /ˈlɑkˌdaʊn/
In writingnot counted (the list counts single words)3.3 times per million words

Sources: lock down and lockdown in the English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0); written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

Every current meaning of lock down and lockdown

lock down

  1. 1

    noun Alternative form of lockdown

  2. 2

    verb To secure (something)

  3. 3

    verb To blockade and lock (e.g. a building or campus) so as to prevent ingress or egress; to make the occupants (of an area) stay locked indoors for their safety

    Police have the area locked down until the situation is all-clear

  4. 4

    verb To limit the use of (a computer network) to only users with permission

  5. 5

    verb To make (an arrangement) secure, definite, or permanent; to fix

  6. 6

    verb slangTo cause (another person) to enter into an exclusive romantic relationship

    It took me some time, but I finally locked her down

  7. 7

    verb To travel through a flight of locks on a waterway in a downhill direction

lockdown

  1. 1

    noun The confinement of people in their own rooms (e.g., in a school) or cells (in a prison), or to their own homes or areas (e.g., in the case of a city- or nation-wide issue) as a security measure after…

  2. 2

    noun USA contrivance to fasten logs together in rafting

    The rafts were made up of strings of logs about seventeen feet wide, held together by poles across them. Each log was pinned to the poles by wooden pegs and lockdowns

Source: the English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0); obsolete, archaic, dialect and rare senses left out.

Which is more common, lock down or lockdown?

lock down is a phrase, which the list of single words does not count; lockdown 3.3 times per million words.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

The words