Lock up
Lock up verb - To put in or as if in prison.
Penitentiary and lock up are semantically related. In some cases you can use "Penitentiary" instead a noun "Lock up".
Penitentiary
Penitentiary noun - A place of confinement for persons held in lawful custody.
Show all Definitions
Synonyms for Penitentiary
Lock up and penitentiary are semantically related. Sometimes you can replace term "Lock up" with "Penitentiary", this nouns are similar.
Nearby Word: penitential
Cite this Source
Penitentiary and Lock up. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/lock_up/penitentiary
Lock up & Penitentiary. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/lock_up/penitentiary>.
Penitentiary or Lock up. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/lock_up/penitentiary.
Google Ngram Viewer shows how "lock up" and "penitentiary" have occurred on timeline