Definition of inmate noun from the Oxford Advanced Learner's Dictionary

 

inmate

 noun
noun
BrE BrE//ˈɪnmeɪt//
 
; NAmE NAmE//ˈɪnmeɪt//
 
Prison
 
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one of the people living in an institution such as a prison or a psychiatric hospital The jail has 500 inmates. He was attacked by a fellow inmate. See related entries: Prison Word Origin late 16th cent. (denoting a person who shared a house, specifically a lodger or subtenant): probably originally from inn + mate, later associated with in.Extra examples The inmates were transferred to an undisclosed location. a camp where more than 4 000 inmates are housed a former inmate of Gloucester jail a former inmate of an Ohio prison drug and alcohol misuse among inmates inmates serving lengthy terms
See the Oxford Advanced American Dictionary entry: inmate