lockup

noun

lock·​up ˈläk-ˌəp How to pronounce lockup (audio)
1
: jail
especially : a local jail where persons are detained prior to court hearing
2
: an act of locking : the state of being locked

Examples of lockup in a Sentence

the firm conviction that juvenile offenders should never be held in adult lockups
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
She was sprung early from federal lockup in July 2023, after serving 1 year, 9 months, and 20 days.. Jessica Schladebeck, New York Daily News, 11 June 2025 Hudson pleaded guilty to first-degree battery for the shooting in June 2022 and was sentenced to a stint in a juvenile lockup followed by five years on probation. John Lynch, Arkansas Online, 4 June 2025 At least nine of the 25 arrested have landed in immigration detention — scattered across the country from a crowded lockup in Miami to a facility in a sleepy Texas railway town to a confinement in a Pacific Northwest port city overlooked by Mount Rainier. Hannah Critchfield, Sun Sentinel, 29 May 2025 Three more inmates who escaped from New Orleans’ main lockup in one of Louisiana’s biggest jailbreaks ever have been captured, leaving two at large. Jana Kasperkevic, NBC news, 27 May 2025 See All Example Sentences for lockup

Word History

First Known Use

1746, in the meaning defined at sense 1

Time Traveler
The first known use of lockup was in 1746

Browse Nearby Words

Cite this Entry

“Lockup.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lockup. Accessed 18 Jun. 2025.

Kids Definition

lockup

noun
lock·​up -ˌəp How to pronounce lockup (audio)

Legal Definition

lockup

noun
lock·​up
1
: a cell or group of cells (as in a courthouse) or jail where persons are held prior to a court hearing compare house of correction, house of detention, jail, penitentiary, prison
2
: the tactic of arranging with a friendly party an option to buy a valuable portion of one's corporate assets in order to discourage a takeover by another party

More from Merriam-Webster on lockup

Last Updated: - Updated example sentences
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