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

Two years and one false start later – the initial 2020 launch having been scuppered by lockdown – there was a Glastonbury-like rush when reservations finally opened for August 2020. —Condé Nast, Condé Nast Traveler, 16 May 2026

The ghost kitchens at Garden at the Line started in 2022 as a direct response to pandemic lockdowns; the management opened the on-premise dining element in 2024. —Camila Pedrosa, Sacbee.com, 15 May 2026

The school was placed on a hard lockdown and then later a soft lockdown amid the investigation. —Elyssa Kaufman, CBS News, 14 May 2026

Once in town, people started feeding them, especially in 2020 during the Covid-19 lockdowns. —Amarachi Orie, CNN Money, 14 May 2026

Word History

First Known Use

1973, in the meaning defined at sense 1

Rhymes for lockdown

• adown
• blowdown
• breakdown
• countdown
• crackdown
• crosstown
• downtown
• drawdown
• dropdown
• facedown
• godown
• hometown

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