inmate /ˈɪn.meɪt/ noun3 •A person confined to an institution such as a prison (as a convict) or hospital (as a patient). •A person who shares a residence (such as a hotel guest, a lodger, or a student living on campus), or other place.[T]he inmates of the coach, by numerous hard, painful joltings, and ponderous, dragging trundlings, are suddenly made sensible of some great change in the character of the road. — 1852 •Synonym of passenger, a person held or riding within a vehicle. formsinmates