Lockup
Lockup noun - A place of confinement for persons held in lawful custody.
Usage example: the firm conviction that juvenile offenders should never be held in adult lockups
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Synonyms for Lockup
Prison is a synonym for lockup in jail topic. In some cases you can use "Prison" instead a noun "Lockup", when it comes to topics like free. popular alternative
Prison
Prison noun - A place of confinement for persons held in lawful custody.
Usage example: the ongoing debate whether drug users should go to prison
Lockup is a synonym for prison in jail topic. You can use "Lockup" instead a noun "Prison", if it concerns topics such as free, residence for incarcerating criminals. popular alternative
Mutual synonyms
Both words in one sentence
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He notes that the prison is now "A lockup filled with the pleasant scent of women".
Source: Manga / Prison School -
Hollywood Law: Evan wouldn't go to a regular prison, but county lockup, since he hadn't even been tried.
Source: Film / The Butterfly Effect -
Prison Rape: Alluded to by Vimes when explaining why the Watch House lockup is infinitely preferable to the 'Tanty'.
Source: Discworld / Snuff
Cite this Source
Prison and Lockup. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/lockup/prison
Lockup & Prison. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/lockup/prison>.
Prison or Lockup. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/lockup/prison.
Google Ngram Viewer shows how "lockup" and "prison" have occurred on timeline