lockup
Americannoun
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a jail, especially a local one for temporary detention.
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the act of locking up or the state of being locked up.
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a temporary imprisonment or detention, as of suspects or prisoners.
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a stock that has been held by an individual as a long-term investment, or that a brokerage firm is required by a regulation to hold for a certain period of time before it can be sold.
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any investment or credit instrument, as a renewed loan, in which capital is tied up for a long time.
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Printing.
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the entire body of type and cuts locked up in a chase preparatory to printing or platemaking.
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the act or procedure of locking up type and cuts in a chase.
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Automotive. a sudden stopping of the rotation of a wheel.
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British Informal. a rented locker, storage space, or garage.
Etymology
Origin of lockup
First recorded in 1760–70; noun use of verb phrase lock up
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Most of the 1 billion $LAPTOP tokens remained subject to a lockup.
From MarketWatch ● Sep. 9, 2026
Usually, employees of startups can only cash out once a company is sold or goes public, potentially after a lockup.
From The Wall Street Journal ● Aug. 25, 2026
Most shares owned by insiders are subject to a complicated, staggered lockup schedule that allows certain amounts of stock to be released at a time.
From MarketWatch ● Aug. 17, 2026
Underwriters mandate lockup periods, meaning it takes a minimum of six months, and often years, for the sponsor to fully sell down their shares.
From The Wall Street Journal ● Aug. 7, 2026
It made my alibi sound a wee bit suspicious, and that’s how I got thrown in the lockup.
From "The Hidden Gallery" by Maryrose Wood
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.