variants or less commonly cell mate
plural cellmates also cell mates
: a person who shares a prison cell with another prisoner
When his cellmates learned that his bond had been set at $1 million (and bail at $500,000), they broke into laughter and shook their heads in disbelief.—Richard Behar
Within a week, guards came by at night and told me to get ready. … I said goodbye to my cellmates and gathered my things …—Clare Morgana Gillis

Examples of cellmate in a Sentence

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.
At the time, Osborn said that Kelly's cellmate, a suspect in the killing, should not have been sharing a cell with anyone. — Paul Egan, Freep.com, 9 Sep. 2026 In arguing for their release, friends, relatives and former cellmates of the brothers pointed to programs the brothers have spearheaded in prison, including classes for anger management, meditation and helping inmates in hospice care. — James Queally, Los Angeles Times, 8 Sep. 2026 His cellmate, a 28-year-old man, has been identified as a suspect in Brancheau's death, the agency said. — Nicholas Lentz, CBS News, 6 Sep. 2026 At noon that same day, her cellmates notified the correctional officer who failed to review Babb’s documents a few hours earlier. — Rosalio Ahumada, Sacbee.com, 3 Sep. 2026 See All Example Sentences for cellmate

Word History

First Known Use

1839, in the meaning defined above

Time Traveler
The first known use of cellmate was in 1839

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Cite this Entry

“Cellmate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cellmate. Accessed 28 Sep. 2026.

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