inmate
Americannoun
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a person who is confined in a prison, hospital, etc.
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Archaic. a person who dwells with others in the same house.
noun
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a person who is confined to an institution such as a prison or hospital See also resident
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obsolete a person who lives with others in a house
Other Word Forms
Noun Inflected Forms
Etymology
Origin of inmate
Compare meaning
How does inmate compare to similar and commonly confused words? Explore the most common comparisons:
Explanation
An inmate is a person who lives in a specific place, especially someone who's confined there, like a prisoner. You can call yourself an Inmate if you get sent to your room, but usually inmates are behind bars in "the big house." You can talk about a hospital inmate or the inmates at a local boarding school, but it's most common to use inmate and prisoner interchangeably. Originally, in the 16th century, an inmate was "one allowed to live in a house rented by another" — a roommate who's not on the lease, in other words. This meaning comes from in and mate, "friend or companion." By the 1830s, inmate had come to mean "one confined to an institution."
Vocabulary lists containing inmate
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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.
And if the inmate obtains a new injunction, he can be transferred again, and the whole process starts over.
From Slate • Jun. 23, 2026
A two-year-old boy's adoption has been overturned after his adoptive mother failed to disclose she was in a relationship with an inmate at the prison where she worked.
From BBC • May 11, 2026
A visit to a pasticceria program at a high-security Padua prison—where the recidivism rate for inmate bakers, we are told, is only 10%—is not so much about food as it is about Italy itself.
From The Wall Street Journal • May 7, 2026
He said inmates reported that inmate group leaders were “always sending messages” up until election day, adding that they were too afraid to say much more.
From Salon • May 6, 2026
After working near one congenial-seeming inmate for a long time, he’d become so comfortable talking to him that he’d confided to the inmate about some problems at home and a shortness of cash.
From "Newjack: Guarding Sing Sing" by Ted Conover
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
