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.
Placed in a jail cell wired with hidden microphones, Jester bragged to his cellmate that when Jackson tried to fight back, he pistol-whipped the rapper and shot him three times in the back. Matthew Ormseth, Los Angeles Times, 14 Aug. 2026 Rodriguez-Mendez was his cellmate for about a month, according to the report. Justin Muszynski, Hartford Courant, 13 Aug. 2026 Zayarnaya’s cellmates expressed frustration that Storozhuk had concealed his identity. Joshua Yaffa, New Yorker, 10 Aug. 2026 While in jail Atkins told her cellmates about the Tate-LaBianca murders. Encyclopedia Britannica, 5 Aug. 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

Browse Nearby Words

Cite this Entry

“Cellmate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cellmate. Accessed 23 Aug. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster