lockdown

noun

lock·​down ˈläk-ˌdau̇n 

plural lockdowns

1

: the confinement of prisoners to their cells for all or most of the day as a temporary security measure

2

a

: an emergency measure or condition in which people are temporarily prevented from entering or leaving a restricted area or building (such as a school) during a threat of danger

For those of you unfamiliar with a school lockdown, it basically means that … when there is a threat of danger, the doors to all the classrooms and offices are locked.

—Anne Sponholtz

lockdown drills/procedures

b

: a temporary condition imposed by governmental authorities (as during the outbreak of an epidemic disease) in which most people are required to refrain from or limit activities outside the home involving public contact (such as dining out or attending large gatherings)

Authorities placed the central Chinese city under lockdown on Jan. 23 after the virus had infected hundreds of residents and was just starting its spread across the globe.

—Darryl Coote

The San Francisco Bay Area lockdown and national guidelines signal a rapid escalation of government and business efforts to halt the coronavirus spread via restrictions that will slam the brakes on economic activity.

—Ed Carson

While most people are at home during lockdown, essential workers are still on the front lines and need their children to be looked after.

—George Heagney

Examples of lockdown in a Sentence

Recent Examples on the Web

After the shots rang out, the buses left, and the school district’s security staff ushered everyone inside the building and initiated a lockdown, Bergan said. —Robert A. Cronkleton, Kansas City Star, 7 June 2024

Executives acknowledged that tech companies had gone overboard with hiring during the lockdown period when distance work and remote education were all the rage. —George Avalos, The Mercury News, 4 June 2024

As of Sunday, the Stillwater prison was on lockdown status while the attack was investigated. —Kristi Miller, Twin Cities, 26 May 2024

His talk on the Stoic philosopher Marcus Aurelius, in particular, seemed to fit the jittery mood of lockdown, when many people sought a sense of self-sufficiency amid the chaos of the outside world. —Trip Gabriel, New York Times, 25 May 2024

Word History

First Known Use

1973, in the meaning defined at sense 1

Kids Definition

lockdown

noun

lock·​down

ˈläk-ˌdau̇n

1

: the confinement of prisoners to their cells as a security measure

2

a

: an emergency measure in which people are temporarily prevented from entering or leaving a restricted area during a threat of danger

b

: a temporary condition imposed by government authorities (as during the outbreak of an epidemic disease) in which people are required to stay in their homes and refrain from or limit activities outside the home (as dining out)

Legal Definition

lockdown

noun

lock·​down ˈläk-ˌdau̇n 

: the confinement of prisoners to their cells for a temporary period as a security measure