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Synonyms

jailhouse

American  
[jeyl-hous] / ˈdʒeɪlˌhaʊs /

noun

plural

jailhouses
  1. a jail or building used as a jail.


jailhouse British  
/ ˈdʒeɪlˌhaʊs /

noun

  1. a jail; prison

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of jailhouse

An Americanism dating back to 1805–15; jail + house

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.

Alarmed by the growing jailhouse fraternity, authorities tightened prison controls and transferred inmates to other states.

From The Wall Street Journal • Apr. 20, 2026

To convict him, the state relied on the testimony of a paid jailhouse informant, while no physical evidence suggested he was present at the crime scene.

From Slate • Apr. 20, 2026

Ryan won an award from the New York Press Club in 2018 for coverage of a jailhouse informant scandal in Detroit.

From The Wall Street Journal • Jan. 27, 2026

The use of jailhouse informants is not an uncommon, or illegal, tactic and tool used by law enforcement.

From Los Angeles Times • Dec. 29, 2025

It is the prosecutor, far more than any other criminal justice official, who holds the keys to the jailhouse door.

From "The New Jim Crow" by Michelle Alexander

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