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penitentiary

1 of 2

noun

pen·​i·​ten·​tia·​ry ˌpe-nə-ˈten(t)-sh(ə-)rē How to pronounce penitentiary (audio)
plural penitentiaries
1
a
: an officer in some Roman Catholic dioceses vested with power from the bishop to deal with cases of a nature normally handled only by the bishop
b
Penitentiary : a cardinal presiding over a tribunal of the Roman curia (see curia sense 3) concerned with dispensations (see dispensation sense 2) and indulgences
2
: a public institution in which offenders against the law are confined for detention or punishment
specifically : a state or federal prison in the U.S.
a federal penitentiary in Virginia

penitentiary

2 of 2

adjective

pen·​i·​ten·​tia·​ry ˌpe-nə-ˈten(t)-sh(ə-)rē How to pronounce penitentiary (audio)
sense 1 also -ˈten(t)-shē-ˌer-ē
1
2
: of, relating to, or incurring confinement in a penitentiary

Synonyms of penitentiary

Examples of penitentiary in a Sentence

Noun a sentence in the state penitentiary for robbery
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
As convicts were sent to the new Cummins and Tucker prison farms, the penitentiary mostly served as a receiving depot where convicts were initially processed. Arkansas Online, 22 Nov. 2025 Rhoden's biggest political victory this year was getting the state Legislature to sign off on a $650 million plan in September to replace the 141-year-old state penitentiary, an issue the Legislature had quarreled over for years. CBS News, 18 Nov. 2025
Adjective
The penitentiary grounds were expanded in late 1875 by adding four city blocks and 10 acres west of the existing facility, which would include a 25-foot-high wall and a new cell block that could hold 232 inmates. Arkansas Online, 22 Nov. 2025 Turbina is deeply fearful of the toll the penitentiary system may take on her son. Anna Chernova, CNN, 5 Dec. 2024 See All Example Sentences for penitentiary

Word History

Etymology

Noun and Adjective

Middle English penitenciary, from Medieval Latin poenitentiarius, from poenitentia

First Known Use

Noun

15th century, in the meaning defined at sense 1a

Adjective

1577, in the meaning defined at sense 1

Time Traveler
The first known use of penitentiary was in the 15th century

Browse Nearby Words

Cite this Entry

“Penitentiary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/penitentiary. Accessed 2 Dec. 2025.

Kids Definition

penitentiary

noun
pen·​i·​ten·​tia·​ry
ˌpen-ə-ˈtench-(ə-)rē
plural penitentiaries
: a usually state or federal prison in which criminals are kept

Legal Definition

penitentiary

noun
pen·​i·​ten·​tia·​ry ˌpe-nə-ˈten-chə-rē How to pronounce penitentiary (audio)
plural penitentiaries
: a state or federal prison for the punishment and reformation of convicted felons compare house of correction, house of detention, jail, lockup

More from Merriam-Webster on penitentiary

Last Updated: - Updated example sentences
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