lockup
Americannoun
-
a jail, especially a local one for temporary detention.
-
the act of locking up or the state of being locked up.
-
a temporary imprisonment or detention, as of suspects or prisoners.
-
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.
-
any investment or credit instrument, as a renewed loan, in which capital is tied up for a long time.
-
Printing.
-
the entire body of type and cuts locked up in a chase preparatory to printing or platemaking.
-
the act or procedure of locking up type and cuts in a chase.
-
-
Automotive. a sudden stopping of the rotation of a wheel.
-
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.
And the supply keeps coming after that, as another 7% of the lockup pool becomes eligible around Aug. 21, followed by another 7% around Sept. 10.
From MarketWatch ● Aug. 3, 2026
Shares held under an extended lockup won’t be eligible for early release until after SpaceX reports fourth-quarter earnings in early 2027.
From MarketWatch ● Aug. 3, 2026
Some get second chances; some don’t and return to lockup.
From Los Angeles Times ● Jul. 29, 2026
SpaceX shares have faced pressure after the company postponed a Starship test launch and ahead of an August lockup expiration.
From The Wall Street Journal ● Jul. 23, 2026
The cops had her back there in lockup right now with me and Ma waiting in this room out front.
From "The Stars Beneath Our Feet" by David Barclay Moore
![]()
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.