Search Dictionary
Definition of lockup

lockup

/ˈlɑːk.ʌp/
(UK: lock-up)
lock · up

Plural:lockups
JUMP TO:

lockup Lexical Profile

lockup Game Scores & Validity

• noun

1

A small, temporary jail or holding cell, typically at a local police station, where suspects are detained prior to a court appearance or transfer.

Example

"The suspect spent the night in the station lockup awaiting his morning arraignment."


2

The act or process of locking up a building, facility, or inmates for the night, or the scheduled time at which this takes place.

Example

"All visitors must exit the grounds thirty minutes before the evening lockup."


3

A contractual restriction or designated period during which company insiders or investors are prohibited from selling or redeeming their shares, typically following an initial public offering.

Example

"Company executives agreed to a six-month lockup after the initial public offering to reassure early investors."


4

British A small, secure garage, storage unit, or shop premise that is separate from a residence and can be locked when unattended.

Example

"He rented a small lockup near the railway arches to store his vintage motorcycle and tools."


5

A condition in which a mechanical system, brake, or computer completely freezes and ceases to move or respond.

Example

"Anti-lock braking systems are engineered to prevent wheel lockup on wet or icy pavement."

Synonyms
View all synonyms for lockup

Word Nuance & Usage

The compound noun (or attributive modifier) is spelled as one word 'lockup' (or hyphenated 'lock-up'), whereas the phrasal verb is written as two separate words, 'lock up' (e.g., 'Please lock up the office before leaving').

• Rhymes for lockup

Cite this Entry


Wordmom. (2026). Definition of Lockup. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/lockup
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Dictionary & Reference
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.